Quick view Water Pump 4.6L 2010 Cadillac STS - WP3164A.16 Water Pump 4.6L 2010 Cadillac STS - WP3164A.16 Water Pump . Fits: 04-10 Cadillac / STS, SRX, XLR 4.4L-4.6L V8 DOHC Naturally Aspirated, SuperchargedFitment Notes: PremiumProduct Information Warranty Type: 1 year or 12,000-mile limited warranty... MSRP: Was: Now: $43.97 Add to Cart Compare