Old Part Numbers: K31Gasket in between the crankcase and the cylinder. If the compressor pump doesn't seem to pressurize as quickly as it should or is leaking in between the head, valve plate, cylinder or crankcase while running, there's a good chance...

Old Part Numbers: RCB-M-HU-125Air compressor pilot unloader valve. Cuts-in at 95 PSI and cuts-out at 125 PSI. Has a hand toggle unloader for easy starting. 1/4" MPT x 1/8" FPT for throttle control. Factory preset, yet can be adjusted for higher or lower...

Screw that fastens the front and back of the belt  guard to each other, and to the compressor base. THD FORMING

Old Part Numbers: A18682SV

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.

Replace if frayed or slipping.

Old Part Numbers: 5130171-00