Old Part Numbers: CAC-437Check Valve, 1/2" compression x 1/2" male NPT. The check valve is a one-way valve that prevents air from backfeeding from the air tank. If the small unloader (bleeder) valve on or under your switch leaks constantly AFTER the unit...

Old Part Numbers: Z-CAC-4336OEM Pressure Switch replacement, same as SquareD OEM part number 9013FHG12J52M1X. Replace the pressure switch if the compressor no longer cuts in or cuts out at the designated pressure (PSI), if the unit doesn't turn on or...

Old Part Numbers: C-BT-224Air Compressor Belt, Poly Groove, 47". Replace if cracked, worn, or slipping.