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.

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

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: K0058, K-0058, K0650, K-0650 Sears 919.16014, 91604, K-0650Compression ring replacement kit includes the cylinder, piston ring, retaining screw, o-ring, and head o-ring. Restores compression. Note: Does not include connecting rod/piston...

O-ring seal for air compressor valve plate, installs in between the cylinder and valve plate. Used with original style valve plate.SpecificationsO-ring measures 2.759"/2.719" ID

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.