Chicago Pneumatic

Replace if leaking.

Standard sized ring set.

Replace if leaking.

Includes all rings for large, lo pressure piston.

Old Part Numbers: AC-0436Flywheel, 2 Groove, 15" OD. 4.13" x 2.05” bore.

Conn. Rod, 20mm/T39 (new style, T39 pumps after 1999). Note:  Does not come with bearing inserts

This Bushing installs in the bottom of the Aftercooler (51), and is what the Discharge Tube to the tank is connected to.

Only available in the 8973037638 Service Kit.