Small hi pressure piston. (does not include rings)

Old Part Numbers: 1000112

Old Part Numbers: A032040This Air Compressor Pump Valve Rebuild Kit includes all valves, head gaskets, and o-ring seals (does not include valve plates). If air leaks out of the intake filter or if the compressor just isn't performing like it should,...

Replace if leaking.

Standard sized ring set.

Replace if leaking.