Replace if leaking.

Old Part Numbers: DAC-252, CTD5812Air compressor check valve, 5/8" compression X 1/2" MPT with 1/8" FPT side port. If the small unloader (bleeder) valve on or under your switch leaks constantly AFTER the unit shuts off, replace this part. The check valve...

Only available in the 8973037638 Service Kit.

Rebuild Kit includes all Gaskets, Piston Rings, Crankcase Cover (flywheel side), Conrod Insert Bearings (for units made in 1999 and after), and Oil Seal. Remember to tighten the bolts down to the proper torque specs as noted by the manufacturer.

Only available in the 8973037638 Service Kit.

Old Part Numbers: 68-4-21/8" male NPT x 1/4" compression adapter for air compressor unloader/bleeder line. A very common adapter to attach the 1/4" OD unloader/bleeder line from the unloader valve on the pilot valve to the pump head.

Standard sized ring set.