Quick view Water Pump 3.8L 2005 Buick LaCrosse - WP3144.1 Water Pump 3.8L 2005 Buick LaCrosse - WP3144.1 Water Pump . Fits: 96-09 Buick, Pontiac, Chevrolet, Oldsmobile 3.8L V6 OHV Naturally Aspirated, SuperchargedFitment Notes: Premium, w/ 2ND DESIGN, w/ 1ST DESIGNProduct Information Warranty Type: 1... MSRP: Was: Now: $37.97 Add to Cart Compare