Old Part Numbers: KU101GIncludes rings, valves, gaskets, unloader valves, crankcase breather, and air filter element (G54E hockey puck-style filter). If you have a sudden loss of performance, if air leaks out of the intake filter, or if the compressor...

Old Part Numbers: K101GK air compressor pump rebuild kit includes all piston rings, intake and exhaust valves, gaskets, and air filter elements (G54E hockey-puck style). Note 1: Kit does not include the crank bearing or oil seal. Note 2: If you have...

Complete KU replacement pump assembly with single-groove flywheel. Usually for constant spinning applications. The Jenny KU pump has head unloaders but can be used for both start/stop and constant run applications. Made in the USA.  Note: If your...

Air compressor pump with flywheel and air filter assembly. This pump has head unloaders and is typically used for gas-powered constant-run applications. Single-groove, 10.375" diameter flywheel. Please note:  This new-style KU pump is for serial...

Old Part Numbers: K36AWrist Pin Retainer (Bumper).