Screw, .250-20 x 1.25" U. This is one of the screws for the pump head; also used to attach the saddle mount cup/foot to the base of the pump.

Isolator for the pump/motor assembly base. NOTE: To replace all of them you will need to order a quantity of 3. Keep your compressor from vibration damage and replace if any are missing.

Brass compression nut and sleeve for 3/8" OD tubes.

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.