Kit, Check Valve Repair, Inlet-Outlet, UHP, .875 Plunger, Ball Style, 6.200 bar. Each 72110531 Check valve repair kit includes one each of the following parts: 05116561 Discharge Poppet, 05116751 Poppet Pin, 05147863 Compression Spring, 10085371 Ball, 20492131 Dowel Pin and 20494356 Discharge Seat. KMT GENUINE PART