he Regulator controls the amount of air to your hose. Replace this if you're not able to adjust the PSI to your hose or if it leaks.  Please confirm your model number before ordering: The H1504ST used the 9051148-NU regulator, which is now obsolete...

Air compressor cylinder sleeve. Replace if scarred or if you can see any light in between the cylinder wall and the piston ring.

M6 nut.

Air compressor pump motor cooling fan (OL197 Pump).  Replace if cracked or if missing any fins. Keep your pump cool so it will last.

Old Part Numbers: 9063217Pressure switch, 125/155 PSI. This part is not able to be returned. Specifications125 PSI Cut-On and 155 PSI Cut-Off

Kit includes Connecting Rod/Piston, Piston Ring, Screw, Piston Cover and Cylinder. This kit will restore compression, but order Gaskets separately if needed!

1/4" Ball Valve Drain Cock for air compressors. Keep your tank from rusting. Replace this if it is leaking or will not work.