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...

Dayco Timing Belt. Replace if slipping or frayed.

1/4" male NPT x 1/8" female NPT brass bushing reducer for air compressors.

Old Part Numbers: Z-D27196

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

Old Part Numbers: D20675, AC80-BQuick-connect coupler, 1/4" male NPT x 1/4" body.

Screw that fastens the front and back of the belt  guard to each other, and to the compressor base. THD FORMING