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...

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.

Old Part Numbers: AB-ACG18Saddle mount cup for the motor/pump feet. This installs on the mounting feet of the motor/pump assembly and keeps it from vibrating, as well as reducing noise.

Old Part Numbers: K-0286