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...

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.

Isolator for pump base. Keep your compressor from damage by replacing these isolators if missing or damaged.

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

Old Part Numbers: A14877, N044990, SS-1286, 5130029-00, 5131153-001/4"-18 x 1" male NPT close pipe nipple. For model D55167 type 1 & 2 and others. Remember to apply plumber's tape to the threads.

Old Part Numbers: GA0125200, PG0125200BKAir Compressor Pressure Gauge, 1/8" MPT, Back-Mount, 200 PSI, 1.5" Face. Replace if misreading or broken.Specifications PSI: 0-200 PSI MPT: 1/8" MPT Dial / Face: 1.5" Back-Mount