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: 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...

Includes intake, and exhaust valves. Also includes top and bottom valve plate gasket necessary for valve job. (For F pump w/o head unloader)

Old Part Numbers: 320-1177, 320-1044, BGKDPlease Note: New Style Belt Guard. If Your Serial Number Begins With Letters A-F you will need to purchase quantity  2 of each 5/16”x1” hex stock and 5/16”x 1/2” bolts from your local hardware store to adapt this...

Old Part Numbers: K25For flywheel. Replace when rebuilding pump. Included in the KU Rebuild Kit.

Old Part Numbers: F133Complete ring set for F & FU pumps.