Universal Regulator: 4-port, two 1/4" FPT ports, and two 1/8" FPT ports (gauges sold separately here). The regulator controls the amount of air in your air compressor hose. Replace this if you're not able to adjust the PSI to your hose or if it leaks...

Screw to fasten the handle to the compressor base.

Old Part Numbers: AC-0008-2, Z-AC-0008-2, AC-0008 OEM Switch.

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

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: 5130940-00, SSF-8080-ZNFlange nut to attach the wheel to the air tank.

Old Part Numbers: 68-4-21/8" male NPT x 1/4" compression adapter for air compressor unloader/bleeder line. A very common adapter to attach the 1/4" OD unloader/bleeder line from the unloader valve on the pilot valve to the pump head.