This new water pump meets OEM quality and is an excellent replacement for the Case A146584, A36979, A3775, A37758, and A146585 part numbers. It also replaces casting numbers A37751, A39074, A48363, G11939, and G2015. This water pump is designed specifically for Case Construction and Industrials models including the 310, 310D, 310E, 310F, 310G, 320, 350, 350B, 420B, 420C, 430CK, 450, 450B, 455B, 480, 480B, 480C, 480CK, 480D, 480LL, 500, 530CK, 580, 580B, 580C, 580CK, and 580D. If you're in need of a reliable water pump for your Case tractor, look no further than this top-quality replacement.