Springer Parts 221-304.41SP part number replaces TUCHENHAGEN part number 221-304.41; Valve Service Kit, Q 65/80 2.5/3" , EPDM ; Springer Pumps, LLC is pleased to offer our clients Springer Parts! Springer Parts are replacement pump parts, pump replacement kits and replacement mechanical seals. Springer Pumps proudly offers them 20% - 40% below OEM.