Old Part Numbers: PS3030RVUnloader Valve used on many Furnas / Hubbell brand air compressor pressure switches includes the unloader valve with compression nut and sleeve, and screw. Replace this part if it leaks while the unit is running. If this part...

Old Part Numbers: SSF-3158-1This is the screw that holds down the piston cover, on the top of the piston.

Screw to bolt the fan to the motor, .250-20 x .750 U.

Screw for the eccentric bearing assembly on crankshaft.

New style filter assembly with 3/8" threads. Includes new style air filter, head, and o-ring. Note: Do NOT order if your head has 2 holes on the SAME side of the head. This head has 3/8" FPT threaded ports on both sides. If your head has a 3/8" port...

There are several different air compressor cooling fan styles. Choose this if yours looks like this one. Replace if cracked or missing fins.