S-PACO-91867835 fits these pumps Manufacturer Part Number Model Number Series Paco 91867835 Slinger Paco Shaft Size 1.250 Construction Code X3 Product Code 10,11,20 *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.