Old Part Numbers: ST073919AV, WL012000AV, WL012300AVFilter - All plastic, 1/2" MPT. Uses the 04 element, 2" diameter. Order extra for a backup. Replace this often to keep your pump from damage (especially in dusty environments).

Air Compressor Pump Quad Head Fastener Kit includes the bare head and head bolts. Order gaskets separately. Remember to tighten the bolts down to the proper torque specs as noted by the manufacturer.

Old Part Numbers: ST012200AVThese screws are currently out of stock at the manufacturer and can not be purchased. 

Old Part Numbers: PU015900AG, PU015900AJ, PU015900AVCast-iron replacement air compressor flywheel, 10" O.D. x 3/4" I.D. Includes the set screw and key.Specifications 3/16" keyway 1/2" 4L, "A"-section vee groove

Old Part Numbers: ST067300AV, HF004500AV

Oil sight glass for your air compressor pump. Replace this if the glass is clouded or leaking.

Old Part Numbers: CW210000AV, EV1WSICondor unloader valve for MDR21130 and other popular pressure switches.  Replace this valve if air constantly leaks from the valve while the unit is running, or if you don't hear a burst of air from the valve...