Old Part Numbers: K133This air compressor pump ring kit includes rings for two pistons. Order two sets for v-twin air compressor pumps. Stagger rings and hone cylinders.  Replace if the pump is losing compression or using too much oil.Technical...

Old Part Numbers: L21K, 310-1001-01Replace this if worn or damaged. Torque to 120 in lbs. (Includes bearing shell inserts). NOTE: These new-style rods will install on old-style (non-bearing insert) pumps, as well as on the new-style pumps! For older...

Old Part Numbers: KU101 Kit includes: Rings, Gaskets, Valves, Unloaders and hollow-style Air Filter Element (L54E hollow-style Filter). Note: Kit does not include K11E or K9.

Replacement bearing shells for connecting rod. (order 2 for each connecting rod) Works with old style (non-bearing) and new style.

Old Part Numbers: L154Newer wingnut-style filter assy with L54E hollow-style element. Uses filter 150-1010-JE filter element. Replacing the pump's air filter regularly is important to maintain the performance and longetivity of your air compressor. A...

Replace if misreading or broken.

Old Part Numbers: GV12 Quick and easy 1/4 turn cuts it on or off. Industrial Quality. 1/2" FPT on each end.