Check Valve Assembly 2812725 Fits Caterpillar 966g II 966H 972G II 972H 980CNew Aftermarket Replacement Check Valve Assembly Fits Caterpillar Models: Fits Wheel Type Loader: 966g Ii, 966h, 972g Ii, 972h, 980c, 980f, 980g, 980g Ii, 980h, 988g, 988h Fits Wheel Tractor Scraper: 621b, 637g, 621e, 621f, 621g, 623b, 623e, 623f, 623g, 627e, 627f, 627g, 631d, 631e, 631g, 633d, 633e Ii, 637d, 637e, 651b, 657, 657b, 657e, 657g Fits Dump Truck: R1600, R1600g, R1600h, R1700g, R2900, R2900g, R3000h Replaces Part Number: 2812725