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: 220-1079If your D or G pump ran dry and ruined the crank, then order this plus connecting rods. Torque connecting rods down to 125 in lbs.

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

NOTE: For units made BEFORE 2003. If your pressure switch is leaking at the unloader valve, replace this part.

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...