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.

Order this if ordering valve plate or a new head.

Old Part Numbers: Z-D26611If your valve is leaking on the side of the switch, do not order this part. Order check valve instead. 4 Port,120V Single Pole Switch Cuts in at 105psi - Cuts out at 135psi

Screw (fastener) for the motor/pump shroud.

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.

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