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.   

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 (fastener) for the motor/pump shroud.

Old Part Numbers: AC-0558Grip for the air compressor handle, .875" diameter.

Old Part Numbers: D24888, D30198, 5135135-00Pipe Nipple, 1/4" male NPT x 1/4" long. Don't forget to apply Teflon Tape to the threads to seal it.

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

Muffler for Single Cylinder units.

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