Larger, Low-Pressure (LP) Piston with rings. Stagger the rings and hone cylinder prior to installing.

0.024" (Not Shown).

Connecting rod assy including dipper.

Old Part Numbers: ST072231AJ, ST072231AV3/4'' male NPT Elbow. This is typically installed in between the tank Check Valve and the Discharge Tube.

Pressure switch, 135/175 PSI. Single-port w/ 1/4" compression unloader valve. 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...