Master Tool Repair

Old Part Numbers: 6229020500, 2881000Plastic style air filter assembly. Includes the filter housing and element, plus screws for B2800/B3800 pumps. Replace every 3-4 months if the air compressor is...

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

Air compressor cylinder ring and o-ring kit. Includes compression ring, head o-ring, and valve plate o-ring.  This tends to be a high-wear part, especially if you are in a high-particulate...

Old Part Numbers: AC-0565, Z-D21360 Z-D21360 Replacement pressure switch, 100-125PSI, 4 Port, Handle, side unloader valve, 2 plugs, hex pipe nipple. Additional parts may be required.

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, unloaders and necessary gaskets. Torque to 225...

The original unloader line is no longer available, but we have created this kit which will allow you to continue to use your unit. It consists of a new pressure switch with an unloader valve that...

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

Compression nut and sleeve for 3/8" OD tubes.