Old Part Numbers: 040-0426RPFor 5 to 6.5 HP units. 165 Air Compressor Pump with felt air filter to replace the original pump. Flywheel INCLUDED. Simply install the belt and discharge tube, add oil, and run. Important: Be sure to torque the head bolts...

Air compressor head gasket. Also available in 130/165VPGASKETS gasket kit. We recommend ordering the gasket kit, as it will save you money and will ensure that you have all of the head gaskets. We always recommend replacing all head gaskets at the same...

Old Part Numbers: 034-0134, 034-0136100 PSI on/130 PSI off. Includes Unloader Valve (order item 6 if leaking). If your pressure switch is constantly leaking out of the small bleeder valve on the side (or underneath), especially after the unit shuts off,...

Replace if cracked. Order gasket also.

Flywheel end bearing.

Old Part Numbers: S137-0001Air pressure knob for belt-driven air compressors. Replace if broken or cracked. Make sure your spring is still there under the knob.  Recommended to order the complete SquareOvhKit.

Old Part Numbers: 040-0311165 Air Compressor Pump with felt air filter to replace the original pump. For 5 to 6.5 HP units. Flywheel NOT included. Swap out your old flywheel or order a new flywheel, add oil, and run. You can also order the pump with...