Supplies air from pump to tank. Comes w/ nuts.

Old Part Numbers: 031-0077, FC347043000, MF347043000Check Valve. Replace if unit leaks continuously around pressure switch or compressor struggles upon re-start. If your pressure switch is leaking out of the small bleeder valve on the side or if located...

Old Part Numbers: MF319205000Metric regulator (order pressure gauge also if needed). The regulator controls the amount of air to your hose. If air leaks from the regulator, or when you turn the knob it doesn't adjust the PSI up or down, replace this part.

Old Part Numbers: FC127GH0012, 020121000F, FC127HQ0130

Air compressor discharge/bleeder valve with G-1/4" threads, FC2002, SCOUT, CIAO. Allows the pump to start more easily.  Note: This part has G-1/4" threads, not NPT.