Old Part Numbers: D20763, D27254, D206434-Port OEM Air Regulator. The Regulator controls the amount of air to your hose. Replace this if you're not able to adjust the PSI to your hose or if it leaks.   

Old Part Numbers: SSF-3158-1This is the screw that holds down the piston cover, on the top of the piston.

Air compressor check valve. 3/8" Comp x 1/2" MPT with 1/8" FPT side port.  The check valve is a one-way valve that prevents air from back-feeding from the air tank. If your unit has a hard time restarting when trying to cycle or your pressure switch...

Order this if ordering valve plate or a new head.

Screw to fasten the handle to the compressor base.

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

Screw to bolt the fan to the motor, .250-20 x .750 U.

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