Complete gasket kit for the B5900 Air Compressor Pump. Includes the head, inner valve plate, cylinder, crankcase, oil pan, bearing cover, aftercooler and intercooler gaskets. If the compressor pump doesn't seem to pressurize as quickly as it should or is...

Old Part Numbers: A19715, CAC-4337-1, D288261/2" male NPT x 1/2" compression check valve, with 1/4" compression adapter. For model D55167 type 1 and others. If the small unloader (bleeder) valve on or under your switch leaks constantly AFTER the...

Old Part Numbers: PG0250300BK, S1151Air compressor pressure gauge, 1/4" male NPT back-mount, 300 PSI, 2" face. Remember to apply plumber's tape to the threads.

Old Part Numbers: Z-D20596, D20596OEM pressure switch, 145/175 PSI. This switch replaces the Z-D20596. Replace the Pressure Switch if the unit doesn't cut on or off at the designated pressure the unit is set for. If the unloader valve is leaking on the...