S-HYDROMATIC-517005037SC fits these pumps Manufacturer Part Number Model Number Series Hydromatic Pump Co HPGH w/ Regal Beloit Motor Hydromatic Pump Co HPGHH w/ Regal Beloit Motor *with exception of U.S. Seal, all manufacturer's names, part numbers, and descriptions are used for reference purposes only. It is not implied that any part is the product of these manufacturers.