Master Tool Repair

Includes all piston rings (High & Low pressure) for the pump.

Everything you need for a valve job. Includes, intake, exhaust and unloader valves. Even includes necessary gaskets. Torque head bolts to 250 in/lbs.

Old Part Numbers: CV221503SJ, CV220302AV, CV221500AJ, CV221500AV, CV221503AJCheck Valve, 1/2" compression x 1/2" MPT with hose barb fitting.

Valve Kit includes all Intake, Exhaust and Unloader Valves. Also includes all necessary Gaskets. Everything you need for a valve job.

Kit includes the cylinder and piston seal (compression ring) which will restore compression to your pump. Check valves first to confirm they are not broken or chipped.

If your unit is using oil, or is not performing like it once did, then you may possibly need to replace the valves. Includes intake and exhaust valves and necessary gaskets. Torque to 225 in/lbs.

Old Part Numbers: ST072321AV, 058-00123/4" compression nut & sleeve (2 required). For air compressor units made before 05/20/1994.

Kit includes Connecting Rod/Piston, Piston Ring, Screw, Piston Cover and Cylinder. Everything needed to restore compression! Click here on how to install this type of kit properly. Extra...