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: 68-4-21/8" male NPT x 1/4" compression adapter for air compressor unloader/bleeder line. A very common adapter to attach the 1/4" OD unloader/bleeder line from the unloader valve on the pilot valve to the pump head.

1/2" FPT x 3/4" MPT air compressor check valve with 1/8" FPT side port. If the small unloader (bleeder) valve on or under your switch leaks constantly AFTER the unit shuts off, replace this part. The check valve is a one-way valve that prevents air from...

Old Part Numbers: 220-1032, EQ23, GT23A13.25" OD, 7/8" ID, 2-groove flywheel for model "DC" pump, includes K25 roll pin.

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...

Old Part Numbers: K32 Piston and bumpers (no rings).

Old Part Numbers: G54EPPackage of four (4) G54E hockey puck-style filter elements. Element only for air compressor air filter assembly. Replacing the pump's air filter regularly is important to maintain the performance and longevity of your air...

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...