120-2713, 18-1179, 20407, 252-360, 3-261, 317047, 42554, 51-3117, 55-31114, 5531114, 58-458, 59-8558, 942554, AW713, B202713, PWP-261, PWP261, SK1204600, US713, WH3054, WP-261. Every Gates high-quality new water pump is constructed with premium alloy materials and a 100 percent functional test of seals and bearings along with a 100 percent leakage test for both the casting and assembled water pump.