Includes all rings for large, lo pressure piston.

Old Part Numbers: AC-0436OEM Flywheel replacement, 2-Groove, 15" OD. Replace if warped or if any cooling fans are missing. Bore size: 4.13" x 2.05”.

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

Air compressor aftercooler gasket. Also available in the complete Gasket Kit. Note: This gasket fits multiple pumps. Confirm the gasket kit you need is for the HP51 or the B6000 air compressor pumps.

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

Complete gasket set for the B6000 air compressor pump. Includes the head, valve plate-to-cylinder, cylinder, crankcase, bearing cover, aftercooler, and intercooler gaskets. If the compressor pump doesn't seem to pressurize as quickly as it should or is...

Only available in the 8973037638 Service Kit.