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...

Old Part Numbers: 034-015095-125PSI, 4-Port OEM Pressure Switch. If your pressure switch is leaking out of the small bleeder valve on the side or if located underneath, order a tank check valve...