Master Tool Repair

This handy maintenance kit includes a B5000/B5900/B6000 air filter element and one (1) quart of high-quality synthetic blend lubricant to keep your air compressor running like a champ! Replace the...

This handy maintenance kit includes one air filter element for the B3800/B4900 air compressor and one (1) quart of high-quality fully synthetic lubricant to keep your air compressor running like a...

This handy maintenance kit includes a B3800/B4900 air filter element and one (1) quart of high-quality synthetic blend lubricant to keep your air compressor running like a champ! Replace the air...

This handy maintenance kit includes one air filter element for the B5000/B5900/B6000 air compressor and one (1) quart of high-quality fully synthetic lubricant to keep your air compressor running...

Old Part Numbers: A19715, CAC-4337-1, D288261/2" male NPT x 1/2" compression check valve, with 1/4" compression adapter. For model D55167 type 1 and others. If the small unloader (bleeder) valve...

New style filter assembly with 3/8" threads. Includes new style air filter, head, and o-ring. Note: Do NOT order if your head has 2 holes on the SAME side of the head. This head has 3/8" FPT threaded...

Old Part Numbers: AC-0631, 892351, A19712, CTD3812If your pressure switch is leaking at the unloader valve, replace this part.

B4900 Head Gasket Kit. Kit includes the head gasket, inner valve plate gasket, cylinder gasket, two intercooler gaskets, and discharge tube adapter gasket (total of 6). A little silicone gasket...