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.

Plastic fan to cool pump and motor. 6"Diameter  Length-  5"          Width - 5"          Height-1.850"       

Screw, .250-20 x 1.25" U. This is one of the screws for the pump head; also used to attach the saddle mount cup/foot to the base of the pump.

To replace all of them you will need to order a quantity of 3.

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

1/2" compression nut and sleeve, brass.

Old Part Numbers: Z-AC-0032, AC-0032Valve plate comes with preinstalled valves and o-rings. Poor performance or air leaks out of the intake filter while the unit is running? This is probably the problem.