Old Part Numbers: CAC-291-1, Z-CAC-291-1Top head gasket.

Old Part Numbers: 9-16279 4-1/2" X 1-1/2" X 9/16"

Must order quantity of 4 for complete set. 1/4"-20 x 1-1/4 length.

Old Part Numbers: 265-16 265-16-1 replaces 265-16

Plastic plug for the piston pin (two used per piston).

Vent filter for the pump crankcase. This fits into the top of the cylinder.

Old Part Numbers: 68-4-21/8" male NPT x 1/4" compression adapter for air compressor unloader/bleeder line. A very common adapter to attach the 1/4" OD unloader/bleeder line from the unloader valve on the pilot valve to the pump head.

Old Part Numbers: SSW-7367Strain relief for air compressor power cord going into the pressure switch housing.