Old Part Numbers: A19714, D27022Check Valve, 1/2" male NPT x 1/4" hose barb. If your compressor constantly leaks after it shuts off, this is probabably the problem. If this one-way check valve is...

Old Part Numbers: CAC-1199Replace this when replacing the piston/cylinder. Since the gasket is graphite, it cannot be reused if the head is removed. NOTE: Used with NEW-style valve plate.

Dayco Timing Belt. Replace if slipping or frayed.

Plastic Cooling Fan for the motor. Replace if damaged or missing any cooling fins so your pump doesn't overheat.

Cylinder gasket. This is the gasket in between the valve plate and piston/cylinder.

Old Part Numbers: Z-D27196

Screw for the pump head. NOTE: Torque head bolts down to 52 in/lbs.