DC040000, HL540200, HL540210 #01B3BA

Air compressor pump piston kit includes the piston, connecting rod, piston pin with retainers, and rings. No compression usually means a worn piston/cylinder. This kit will make your unit run like new!

For use with head that has 3/8" threaded port. Comes with filter and element.

Kit includes part # 1, and four each of 36 & 37.

Replace the pressure switch if the compressor no longer cuts in or cuts out at the designated pressure (PSI), if the unit doesn't turn on or off, or if there is an obvious air leak from the contacts or manifold. If the small unloader (bleeder) valve on...

Adjustable air pressure knob assembly. (Gauge sold separately).