Chicago Pneumatic

Old Part Numbers: 1000204

Old Part Numbers: 6222727900Hi pressure piston only. (order wrist pin and retainers below if needed)

Only available in the 8973037638 Service Kit.

Old Part Numbers: 4950100Torque to 27 lbs. Older gasket may have had 8 bolt holes. The newer gasket now has 12 bolt holes.

Old Part Numbers: 2236109236, A012030Air Compressor Pump Head Kit includes bare head only. Does not include the head gasket.  Keep blowing head gaskets? Order a new head AND valve...

Includes all 3 rings for the larger, low-pressure (LP) piston for the B5900 air compressor pump. Hone the cylinders before installation.