Chicago Pneumatic

Replace if leaking.

Standard sized ring set.

Replace if leaking.

Old Part Numbers: SAK56H, Sak56h, Sak56hr

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

For B3800 pump. Kit includes two Piston/Rod Assemblies as well as a complete Gasket Set.