Quick view Details sku: CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings CB3144ZE46 MSRP: Now: $23.97 Add to Cart Compare Quick view Details sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 MSRP: Now: $603.97 Choose Options Compare Quick view Details sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 MSRP: Now: $677.97 Choose Options Compare Quick view Details sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 MSRP: Now: $734.97 Choose Options Compare Quick view Details sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 MSRP: Now: $818.97 Choose Options Compare Quick view Details sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 MSRP: Now: $13.97 Add to Cart Compare Quick view Details sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 MSRP: Now: $11.97 Add to Cart Compare Quick view Details sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 MSRP: Now: $15.97 Add to Cart Compare Quick view Details sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 MSRP: Now: $35.97 Add to Cart Compare Quick view Details sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 MSRP: Now: $10.97 Add to Cart Compare Quick view Details sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 MSRP: Now: $88.97 Add to Cart Compare Quick view Details sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 MSRP: Now: $33.97 Add to Cart Compare Quick view Details sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 MSRP: Now: $25.97 Add to Cart Compare Quick view Details sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 MSRP: Now: $36.97 Add to Cart Compare Quick view Details sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 MSRP: Now: $39.97 Add to Cart Compare Quick view Details sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 MSRP: Now: $55.97 Add to Cart Compare Quick view Details sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 MSRP: Now: $9.97 Add to Cart Compare Quick view Details sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 MSRP: Now: $16.97 Add to Cart Compare Quick view Details sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 MSRP: Now: $42.97 Add to Cart Compare Quick view Details sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 MSRP: Now: $35.97 Add to Cart Compare Quick view sku: CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings Engine Parts # CB3144ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $23.97 Add to Cart Compare Quick view sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13. Kit includes the core components needed for a proper... MSRP: Now: $603.97 Choose Options Compare Quick view sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7. Kit includes the core components needed for a proper... MSRP: Now: $677.97 Choose Options Compare Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 MSRP: Now: $603.97 Choose Options Compare Quick view Details sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 MSRP: Now: $677.97 Choose Options Compare Quick view Details sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 MSRP: Now: $734.97 Choose Options Compare Quick view Details sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 MSRP: Now: $818.97 Choose Options Compare Quick view Details sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 MSRP: Now: $13.97 Add to Cart Compare Quick view Details sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 MSRP: Now: $11.97 Add to Cart Compare Quick view Details sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 MSRP: Now: $15.97 Add to Cart Compare Quick view Details sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 MSRP: Now: $35.97 Add to Cart Compare Quick view Details sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 MSRP: Now: $10.97 Add to Cart Compare Quick view Details sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 MSRP: Now: $88.97 Add to Cart Compare Quick view Details sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 MSRP: Now: $33.97 Add to Cart Compare Quick view Details sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 MSRP: Now: $25.97 Add to Cart Compare Quick view Details sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 MSRP: Now: $36.97 Add to Cart Compare Quick view Details sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 MSRP: Now: $39.97 Add to Cart Compare Quick view Details sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 MSRP: Now: $55.97 Add to Cart Compare Quick view Details sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 MSRP: Now: $9.97 Add to Cart Compare Quick view Details sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 MSRP: Now: $16.97 Add to Cart Compare Quick view Details sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 MSRP: Now: $42.97 Add to Cart Compare Quick view Details sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 MSRP: Now: $35.97 Add to Cart Compare Quick view sku: CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings Engine Parts # CB3144ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $23.97 Add to Cart Compare Quick view sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13. Kit includes the core components needed for a proper... MSRP: Now: $603.97 Choose Options Compare Quick view sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7. Kit includes the core components needed for a proper... MSRP: Now: $677.97 Choose Options Compare Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 MSRP: Now: $677.97 Choose Options Compare Quick view Details sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 MSRP: Now: $734.97 Choose Options Compare Quick view Details sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 MSRP: Now: $818.97 Choose Options Compare Quick view Details sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 MSRP: Now: $13.97 Add to Cart Compare Quick view Details sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 MSRP: Now: $11.97 Add to Cart Compare Quick view Details sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 MSRP: Now: $15.97 Add to Cart Compare Quick view Details sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 MSRP: Now: $35.97 Add to Cart Compare Quick view Details sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 MSRP: Now: $10.97 Add to Cart Compare Quick view Details sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 MSRP: Now: $88.97 Add to Cart Compare Quick view Details sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 MSRP: Now: $33.97 Add to Cart Compare Quick view Details sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 MSRP: Now: $25.97 Add to Cart Compare Quick view Details sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 MSRP: Now: $36.97 Add to Cart Compare Quick view Details sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 MSRP: Now: $39.97 Add to Cart Compare Quick view Details sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 MSRP: Now: $55.97 Add to Cart Compare Quick view Details sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 MSRP: Now: $9.97 Add to Cart Compare Quick view Details sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 MSRP: Now: $16.97 Add to Cart Compare Quick view Details sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 MSRP: Now: $42.97 Add to Cart Compare Quick view Details sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 MSRP: Now: $35.97 Add to Cart Compare Quick view sku: CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings Engine Parts # CB3144ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $23.97 Add to Cart Compare Quick view sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13. Kit includes the core components needed for a proper... MSRP: Now: $603.97 Choose Options Compare Quick view sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7. Kit includes the core components needed for a proper... MSRP: Now: $677.97 Choose Options Compare Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 MSRP: Now: $734.97 Choose Options Compare Quick view Details sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 MSRP: Now: $818.97 Choose Options Compare Quick view Details sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 MSRP: Now: $13.97 Add to Cart Compare Quick view Details sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 MSRP: Now: $11.97 Add to Cart Compare Quick view Details sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 MSRP: Now: $15.97 Add to Cart Compare Quick view Details sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 MSRP: Now: $35.97 Add to Cart Compare Quick view Details sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 MSRP: Now: $10.97 Add to Cart Compare Quick view Details sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 MSRP: Now: $88.97 Add to Cart Compare Quick view Details sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 MSRP: Now: $33.97 Add to Cart Compare Quick view Details sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 MSRP: Now: $25.97 Add to Cart Compare Quick view Details sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 MSRP: Now: $36.97 Add to Cart Compare Quick view Details sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 MSRP: Now: $39.97 Add to Cart Compare Quick view Details sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 MSRP: Now: $55.97 Add to Cart Compare Quick view Details sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 MSRP: Now: $9.97 Add to Cart Compare Quick view Details sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 MSRP: Now: $16.97 Add to Cart Compare Quick view Details sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 MSRP: Now: $42.97 Add to Cart Compare Quick view Details sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 MSRP: Now: $35.97 Add to Cart Compare Quick view sku: CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings Engine Parts # CB3144ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $23.97 Add to Cart Compare Quick view sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13. Kit includes the core components needed for a proper... MSRP: Now: $603.97 Choose Options Compare Quick view sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7. Kit includes the core components needed for a proper... MSRP: Now: $677.97 Choose Options Compare Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 MSRP: Now: $818.97 Choose Options Compare Quick view Details sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 MSRP: Now: $13.97 Add to Cart Compare Quick view Details sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 MSRP: Now: $11.97 Add to Cart Compare Quick view Details sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 MSRP: Now: $15.97 Add to Cart Compare Quick view Details sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 MSRP: Now: $35.97 Add to Cart Compare Quick view Details sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 MSRP: Now: $10.97 Add to Cart Compare Quick view Details sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 MSRP: Now: $88.97 Add to Cart Compare Quick view Details sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 MSRP: Now: $33.97 Add to Cart Compare Quick view Details sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 MSRP: Now: $25.97 Add to Cart Compare Quick view Details sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 MSRP: Now: $36.97 Add to Cart Compare Quick view Details sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 MSRP: Now: $39.97 Add to Cart Compare Quick view Details sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 MSRP: Now: $55.97 Add to Cart Compare Quick view Details sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 MSRP: Now: $9.97 Add to Cart Compare Quick view Details sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 MSRP: Now: $16.97 Add to Cart Compare Quick view Details sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 MSRP: Now: $42.97 Add to Cart Compare Quick view Details sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 MSRP: Now: $35.97 Add to Cart Compare Quick view sku: CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings Engine Parts # CB3144ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $23.97 Add to Cart Compare Quick view sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13. Kit includes the core components needed for a proper... MSRP: Now: $603.97 Choose Options Compare Quick view sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7. Kit includes the core components needed for a proper... MSRP: Now: $677.97 Choose Options Compare Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 MSRP: Now: $13.97 Add to Cart Compare Quick view Details sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 MSRP: Now: $11.97 Add to Cart Compare Quick view Details sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 MSRP: Now: $15.97 Add to Cart Compare Quick view Details sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 MSRP: Now: $35.97 Add to Cart Compare Quick view Details sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 MSRP: Now: $10.97 Add to Cart Compare Quick view Details sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 MSRP: Now: $88.97 Add to Cart Compare Quick view Details sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 MSRP: Now: $33.97 Add to Cart Compare Quick view Details sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 MSRP: Now: $25.97 Add to Cart Compare Quick view Details sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 MSRP: Now: $36.97 Add to Cart Compare Quick view Details sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 MSRP: Now: $39.97 Add to Cart Compare Quick view Details sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 MSRP: Now: $55.97 Add to Cart Compare Quick view Details sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 MSRP: Now: $9.97 Add to Cart Compare Quick view Details sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 MSRP: Now: $16.97 Add to Cart Compare Quick view Details sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 MSRP: Now: $42.97 Add to Cart Compare Quick view Details sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 MSRP: Now: $35.97 Add to Cart Compare Quick view sku: CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings Engine Parts # CB3144ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $23.97 Add to Cart Compare Quick view sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13. Kit includes the core components needed for a proper... MSRP: Now: $603.97 Choose Options Compare Quick view sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7. Kit includes the core components needed for a proper... MSRP: Now: $677.97 Choose Options Compare Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 MSRP: Now: $11.97 Add to Cart Compare Quick view Details sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 MSRP: Now: $15.97 Add to Cart Compare Quick view Details sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 MSRP: Now: $35.97 Add to Cart Compare Quick view Details sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 MSRP: Now: $10.97 Add to Cart Compare Quick view Details sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 MSRP: Now: $88.97 Add to Cart Compare Quick view Details sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 MSRP: Now: $33.97 Add to Cart Compare Quick view Details sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 MSRP: Now: $25.97 Add to Cart Compare Quick view Details sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 MSRP: Now: $36.97 Add to Cart Compare Quick view Details sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 MSRP: Now: $39.97 Add to Cart Compare Quick view Details sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 MSRP: Now: $55.97 Add to Cart Compare Quick view Details sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 MSRP: Now: $9.97 Add to Cart Compare Quick view Details sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 MSRP: Now: $16.97 Add to Cart Compare Quick view Details sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 MSRP: Now: $42.97 Add to Cart Compare Quick view Details sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 MSRP: Now: $35.97 Add to Cart Compare Quick view sku: CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings Engine Parts # CB3144ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $23.97 Add to Cart Compare Quick view sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13. Kit includes the core components needed for a proper... MSRP: Now: $603.97 Choose Options Compare Quick view sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7. Kit includes the core components needed for a proper... MSRP: Now: $677.97 Choose Options Compare Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 MSRP: Now: $15.97 Add to Cart Compare Quick view Details sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 MSRP: Now: $35.97 Add to Cart Compare Quick view Details sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 MSRP: Now: $10.97 Add to Cart Compare Quick view Details sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 MSRP: Now: $88.97 Add to Cart Compare Quick view Details sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 MSRP: Now: $33.97 Add to Cart Compare Quick view Details sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 MSRP: Now: $25.97 Add to Cart Compare Quick view Details sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 MSRP: Now: $36.97 Add to Cart Compare Quick view Details sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 MSRP: Now: $39.97 Add to Cart Compare Quick view Details sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 MSRP: Now: $55.97 Add to Cart Compare Quick view Details sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 MSRP: Now: $9.97 Add to Cart Compare Quick view Details sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 MSRP: Now: $16.97 Add to Cart Compare Quick view Details sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 MSRP: Now: $42.97 Add to Cart Compare Quick view Details sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 MSRP: Now: $35.97 Add to Cart Compare Quick view sku: CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings Engine Parts # CB3144ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $23.97 Add to Cart Compare Quick view sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13. Kit includes the core components needed for a proper... MSRP: Now: $603.97 Choose Options Compare Quick view sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7. Kit includes the core components needed for a proper... MSRP: Now: $677.97 Choose Options Compare Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 MSRP: Now: $35.97 Add to Cart Compare Quick view Details sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 MSRP: Now: $10.97 Add to Cart Compare Quick view Details sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 MSRP: Now: $88.97 Add to Cart Compare Quick view Details sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 MSRP: Now: $33.97 Add to Cart Compare Quick view Details sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 MSRP: Now: $25.97 Add to Cart Compare Quick view Details sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 MSRP: Now: $36.97 Add to Cart Compare Quick view Details sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 MSRP: Now: $39.97 Add to Cart Compare Quick view Details sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 MSRP: Now: $55.97 Add to Cart Compare Quick view Details sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 MSRP: Now: $9.97 Add to Cart Compare Quick view Details sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 MSRP: Now: $16.97 Add to Cart Compare Quick view Details sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 MSRP: Now: $42.97 Add to Cart Compare Quick view Details sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 MSRP: Now: $35.97 Add to Cart Compare Quick view sku: CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings Engine Parts # CB3144ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $23.97 Add to Cart Compare Quick view sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13. Kit includes the core components needed for a proper... MSRP: Now: $603.97 Choose Options Compare Quick view sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7. Kit includes the core components needed for a proper... MSRP: Now: $677.97 Choose Options Compare Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 MSRP: Now: $10.97 Add to Cart Compare Quick view Details sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 MSRP: Now: $88.97 Add to Cart Compare Quick view Details sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 MSRP: Now: $33.97 Add to Cart Compare Quick view Details sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 MSRP: Now: $25.97 Add to Cart Compare Quick view Details sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 MSRP: Now: $36.97 Add to Cart Compare Quick view Details sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 MSRP: Now: $39.97 Add to Cart Compare Quick view Details sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 MSRP: Now: $55.97 Add to Cart Compare Quick view Details sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 MSRP: Now: $9.97 Add to Cart Compare Quick view Details sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 MSRP: Now: $16.97 Add to Cart Compare Quick view Details sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 MSRP: Now: $42.97 Add to Cart Compare Quick view Details sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 MSRP: Now: $35.97 Add to Cart Compare Quick view sku: CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings Engine Parts # CB3144ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $23.97 Add to Cart Compare Quick view sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13. Kit includes the core components needed for a proper... MSRP: Now: $603.97 Choose Options Compare Quick view sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7. Kit includes the core components needed for a proper... MSRP: Now: $677.97 Choose Options Compare Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 MSRP: Now: $88.97 Add to Cart Compare Quick view Details sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 MSRP: Now: $33.97 Add to Cart Compare Quick view Details sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 MSRP: Now: $25.97 Add to Cart Compare Quick view Details sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 MSRP: Now: $36.97 Add to Cart Compare Quick view Details sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 MSRP: Now: $39.97 Add to Cart Compare Quick view Details sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 MSRP: Now: $55.97 Add to Cart Compare Quick view Details sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 MSRP: Now: $9.97 Add to Cart Compare Quick view Details sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 MSRP: Now: $16.97 Add to Cart Compare Quick view Details sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 MSRP: Now: $42.97 Add to Cart Compare Quick view Details sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 MSRP: Now: $35.97 Add to Cart Compare Quick view sku: CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings Engine Parts # CB3144ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $23.97 Add to Cart Compare Quick view sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13. Kit includes the core components needed for a proper... MSRP: Now: $603.97 Choose Options Compare Quick view sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7. Kit includes the core components needed for a proper... MSRP: Now: $677.97 Choose Options Compare Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 MSRP: Now: $33.97 Add to Cart Compare Quick view Details sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 MSRP: Now: $25.97 Add to Cart Compare Quick view Details sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 MSRP: Now: $36.97 Add to Cart Compare Quick view Details sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 MSRP: Now: $39.97 Add to Cart Compare Quick view Details sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 MSRP: Now: $55.97 Add to Cart Compare Quick view Details sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 MSRP: Now: $9.97 Add to Cart Compare Quick view Details sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 MSRP: Now: $16.97 Add to Cart Compare Quick view Details sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 MSRP: Now: $42.97 Add to Cart Compare Quick view Details sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 MSRP: Now: $35.97 Add to Cart Compare Quick view sku: CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings Engine Parts # CB3144ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $23.97 Add to Cart Compare Quick view sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13. Kit includes the core components needed for a proper... MSRP: Now: $603.97 Choose Options Compare Quick view sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7. Kit includes the core components needed for a proper... MSRP: Now: $677.97 Choose Options Compare Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 MSRP: Now: $25.97 Add to Cart Compare Quick view Details sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 MSRP: Now: $36.97 Add to Cart Compare Quick view Details sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 MSRP: Now: $39.97 Add to Cart Compare Quick view Details sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 MSRP: Now: $55.97 Add to Cart Compare Quick view Details sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 MSRP: Now: $9.97 Add to Cart Compare Quick view Details sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 MSRP: Now: $16.97 Add to Cart Compare Quick view Details sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 MSRP: Now: $42.97 Add to Cart Compare Quick view Details sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 MSRP: Now: $35.97 Add to Cart Compare Quick view sku: CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings Engine Parts # CB3144ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $23.97 Add to Cart Compare Quick view sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13. Kit includes the core components needed for a proper... MSRP: Now: $603.97 Choose Options Compare Quick view sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7. Kit includes the core components needed for a proper... MSRP: Now: $677.97 Choose Options Compare Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 MSRP: Now: $36.97 Add to Cart Compare Quick view Details sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 MSRP: Now: $39.97 Add to Cart Compare Quick view Details sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 MSRP: Now: $55.97 Add to Cart Compare Quick view Details sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 MSRP: Now: $9.97 Add to Cart Compare Quick view Details sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 MSRP: Now: $16.97 Add to Cart Compare Quick view Details sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 MSRP: Now: $42.97 Add to Cart Compare Quick view Details sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 MSRP: Now: $35.97 Add to Cart Compare Quick view sku: CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings Engine Parts # CB3144ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $23.97 Add to Cart Compare Quick view sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13. Kit includes the core components needed for a proper... MSRP: Now: $603.97 Choose Options Compare Quick view sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7. Kit includes the core components needed for a proper... MSRP: Now: $677.97 Choose Options Compare Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 MSRP: Now: $39.97 Add to Cart Compare Quick view Details sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 MSRP: Now: $55.97 Add to Cart Compare Quick view Details sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 MSRP: Now: $9.97 Add to Cart Compare Quick view Details sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 MSRP: Now: $16.97 Add to Cart Compare Quick view Details sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 MSRP: Now: $42.97 Add to Cart Compare Quick view Details sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 MSRP: Now: $35.97 Add to Cart Compare Quick view sku: CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings Engine Parts # CB3144ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $23.97 Add to Cart Compare Quick view sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13. Kit includes the core components needed for a proper... MSRP: Now: $603.97 Choose Options Compare Quick view sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7. Kit includes the core components needed for a proper... MSRP: Now: $677.97 Choose Options Compare Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 MSRP: Now: $55.97 Add to Cart Compare Quick view Details sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 MSRP: Now: $9.97 Add to Cart Compare Quick view Details sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 MSRP: Now: $16.97 Add to Cart Compare Quick view Details sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 MSRP: Now: $42.97 Add to Cart Compare Quick view Details sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 MSRP: Now: $35.97 Add to Cart Compare Quick view sku: CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings Engine Parts # CB3144ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $23.97 Add to Cart Compare Quick view sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13. Kit includes the core components needed for a proper... MSRP: Now: $603.97 Choose Options Compare Quick view sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7. Kit includes the core components needed for a proper... MSRP: Now: $677.97 Choose Options Compare Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 MSRP: Now: $9.97 Add to Cart Compare Quick view Details sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 MSRP: Now: $16.97 Add to Cart Compare Quick view Details sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 MSRP: Now: $42.97 Add to Cart Compare Quick view Details sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 MSRP: Now: $35.97 Add to Cart Compare Quick view sku: CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings Engine Parts # CB3144ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $23.97 Add to Cart Compare Quick view sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13. Kit includes the core components needed for a proper... MSRP: Now: $603.97 Choose Options Compare Quick view sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7. Kit includes the core components needed for a proper... MSRP: Now: $677.97 Choose Options Compare Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 MSRP: Now: $16.97 Add to Cart Compare Quick view Details sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 MSRP: Now: $42.97 Add to Cart Compare Quick view Details sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 MSRP: Now: $35.97 Add to Cart Compare Quick view sku: CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings Engine Parts # CB3144ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $23.97 Add to Cart Compare Quick view sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13. Kit includes the core components needed for a proper... MSRP: Now: $603.97 Choose Options Compare Quick view sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7. Kit includes the core components needed for a proper... MSRP: Now: $677.97 Choose Options Compare Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 MSRP: Now: $42.97 Add to Cart Compare Quick view Details sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 MSRP: Now: $35.97 Add to Cart Compare Quick view sku: CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings Engine Parts # CB3144ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $23.97 Add to Cart Compare Quick view sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13. Kit includes the core components needed for a proper... MSRP: Now: $603.97 Choose Options Compare Quick view sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7. Kit includes the core components needed for a proper... MSRP: Now: $677.97 Choose Options Compare Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 MSRP: Now: $35.97 Add to Cart Compare Quick view sku: CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings Engine Parts # CB3144ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $23.97 Add to Cart Compare Quick view sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13. Kit includes the core components needed for a proper... MSRP: Now: $603.97 Choose Options Compare Quick view sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7. Kit includes the core components needed for a proper... MSRP: Now: $677.97 Choose Options Compare Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings CB3144ZE46 2003 Buick Regal 3.8L Cam Bearings Engine Parts # CB3144ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $23.97 Add to Cart Compare Quick view sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13. Kit includes the core components needed for a proper... MSRP: Now: $603.97 Choose Options Compare Quick view sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7. Kit includes the core components needed for a proper... MSRP: Now: $677.97 Choose Options Compare Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: EK3144ZE13 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3144ZE13 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3144ZE13. Kit includes the core components needed for a proper... MSRP: Now: $603.97 Choose Options Compare Quick view sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7. Kit includes the core components needed for a proper... MSRP: Now: $677.97 Choose Options Compare Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: EK3183ZE7 2003 Buick Regal 3.8L Engine Rebuild Kit - EK3183ZE7 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Kit - EK3183ZE7. Kit includes the core components needed for a proper... MSRP: Now: $677.97 Choose Options Compare Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: EK3144MZE13 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3144MZE13 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3144MZE13. Kit includes the core components needed... MSRP: Now: $734.97 Choose Options Compare Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: EK3183MZE7 2003 Buick Regal 3.8L Engine Rebuild Master Kit - EK3183MZE7 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7 Engine rebuild kit for 2003 Buick Regal - 3.8L - Engine Rebuild Master Kit - EK3183MZE7. Kit includes the core components needed for... MSRP: Now: $818.97 Choose Options Compare Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3143ZE37 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $13.97 Add to Cart Compare Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket EG3182ZE17 2003 Buick Regal 3.8L Exhaust Manifold Gasket Engine Parts # EG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $11.97 Add to Cart Compare Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve EV3143ZE45 2003 Buick Regal 3.8L Exhaust Valve Engine Parts # EV3143ZE45 Fits: [1995-2009] GM [Nitride Coated; 1 Groove; 36.6mm Head Dia., 7.96mm Stem Dia., 119.7mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $15.97 Add to Cart Compare Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3143ZE37 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $35.97 Add to Cart Compare Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket MG3182ZE17 2003 Buick Regal 3.8L Fuel Injection Plenum Gasket Engine Parts # MG3182ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Note MSRP: Now: $10.97 Add to Cart Compare Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer HBA1004ZE19 2003 Buick Regal 3.8L Harmonic Balancer Engine Parts # HBA1004ZE19 Fits: [1990-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick Regal 3.8L MSRP: Now: $88.97 Add to Cart Compare Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit HBK3143ZE46 2003 Buick Regal 3.8L Head Bolt Kit Engine Parts # HBK3143ZE46 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:&nbs MSRP: Now: $33.97 Add to Cart Compare Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: HG3182ZE17 2003 Buick Regal 3.8L Head Gasket HG3182ZE17 2003 Buick Regal 3.8L Head Gasket Engine Parts # HG3182ZE17 Fits: [1996-2007] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:Â MSRP: Now: $25.97 Add to Cart Compare Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim HS3143ZE37 2003 Buick Regal 3.8L Head Spacer Shim Engine Parts # HS3143ZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes:& MSRP: Now: $36.97 Add to Cart Compare Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3144ZE33 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3144ZE33 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $39.97 Add to Cart Compare Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set IG3183ZE17 2003 Buick Regal 3.8L Intake Manifold Gasket Set Engine Parts # IG3183ZE17 Fits: [1996-2005] GM / V6 / 3.8L / 231 OHV 12VThis 2003 Buick R MSRP: Now: $55.97 Add to Cart Compare Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: IV3143ZE31 2003 Buick Regal 3.8L Intake Valve IV3143ZE31 2003 Buick Regal 3.8L Intake Valve Engine Parts # IV3143ZE31 Fits: [1995-2005] GM [Nitride Coated; 1 Groove; 45.7mm Head Dia.; 7.96mm Stem Dia.; 119.9mm O.A.L.] / V6 / 3.8L / 231 OHV 12V MSRP: Now: $9.97 Add to Cart Compare Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket HG3143LZE37 2003 Buick Regal 3.8L Left Head Gasket Engine Parts # HG3143LZE37 Fits: [1995-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $16.97 Add to Cart Compare Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set LGS3143ZE19 2003 Buick Regal 3.8L Lower Gasket Set Engine Parts # LGS3143ZE19 Fits: [1995-2005] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $42.97 Add to Cart Compare Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected
Quick view sku: MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set MB3144ZE48 2003 Buick Regal 3.8L Main Bearings Set Engine Parts # MB3144ZE48 Fits: [1990-2009] GM / V6 / 3.8L / 231 OHV 12VFitment Notes: MSRP: Now: $35.97 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected
