Old Part Numbers: A19715, CAC-4337-1, D288261/2" male NPT x 1/2" compression check valve, with 1/4" compression adapter. For model D55167 type 1 and others. If the small unloader (bleeder) valve on or under your switch leaks constantly AFTER the...

Old Part Numbers: 5130038-00, 5130024-001/4" OD brass compression nut and sleeve for bleeder (unloader) tube for air compressors.

Old Part Numbers: 9-16279 4-1/2" X 1-1/2" X 9/16"

Must order quantity of 4 for complete set. 1/4"-20 x 1-1/4 length.

1/2" compression nut and sleeve, brass.

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...

Old Part Numbers: SRV187150, SRV187-1/8Air compressor safety valve, 150 PSI, 1/8" male NPT. If your valve leaks below the pressure listed on the side of the valve, replace this vital safety feature.

Plastic plug for the piston pin (two used per piston).