NuAir / Fini

10mm steel aftercooler bolt for B5900/HP51 air compressor pumps.

Gasket, Crankcase Bottom for B3800 pump.

Gasket for bottom oil pan of air compressor pump. If the compressor pump doesn't seem to pressurize as quickly as it should or is leaking in between the head, valve plate, cylinder, or crankcase...

Old Part Numbers: AB-2870100118 mm.

This allows you to drain the oil from your pump.

For the B3800 model air compressor pump. Includes crankcase bottom, crankcase gasket, screw, and washer. Remember to tighten the bolts down to the proper torque specs as noted by the...

Old Part Numbers: 6211848500, 223611336110 X 35MM

Old Part Numbers: 2236102113B5900 air compressor pump flywheel, 13.78" OD (outside diameter), 30mm bore. Replace if warped or if missing any cooling fins. Fins should be angled correctly to properly...