Master Tool Repair

2-ft of black nylon tube complete w/ ferrules, inserts and nuts for line that connects from pump head to pressure switch unloader valve.

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.

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...

Everything necessary to perform a valvejob (for both pump heads). No unloaders. Also includes gaskets. Includes: 610-1032 - Discharge Valve Assy 610-1031 - Intake Valve Assy 104-1007 - Valve Plate...