Also available in the complete regulator kit SquareOvhKit. The black o-ring is ALREADY installed on the small black valve. See 'Extra Details' tab above. Includes both diaphragms, ball, o-ring, and...

Old Part Numbers: 032-0001, 032-0056Replacement Pressure Gauge, 1/8" male NPT, 300 PSI, back-mounted thread, 1.7" face. A working, accurate pressure gauge is crucial for correct operation of the...

Old Part Numbers: 165-0055Overhaul kit for the 130/165 air compressor pumps. Includes new style valve plate assembly with preinstalled valves, gaskets, piston rings, and felt air filter.  If you have...

Old Part Numbers: 136-0069, SRV250145, 1229W-145Air compressor safety relief valve. If your valve leaks below the pressure listed on the side of the valve, replace this vital safety feature...

Replace when removing crankshaft, bearings or if leaking.

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.  This part is only the knob. If you...

Air compressor brass compression adapter, 1/4" compression x 1/8" male NPT.Specifications 1/4" Compression x 1/8" MPT

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...