Quick view Water Pump 7.4L 1987 GMC C3500 - WP3174.169 Water Pump 7.4L 1987 GMC C3500 - WP3174.169 Water Pump . Fits: 80-00 Chevrolet, GMC 7.4L V8 OHV Naturally AspiratedFitment Notes: Premium, w/ Reverse RotationProduct Information Warranty Type: 1 year or 12,000-mile limited warranty Part... MSRP: Was: Now: $85.97 Add to Cart Compare