B5900/B5000 Valve Plate Assembly. Item comes in 2 separate packages. B5000 and B5900 pump now use the same valve plate. Poor performance or air leaks out of the intake filter while the unit is running? This is probably the problem. Note: This assembly is...

MADE TO ORDER. This kit allows you to remove the aftercooler that comes with the new B5900 pump and install this adapter kit. Simply remove the aftercooler, clean off the gasket material, install the gasket, adapter plate, washers and bolts and you...

Hubbell HC69JG109835R Air Compressor Pressure Switch. This switch has a factory setting of 140 PSI on and 175 PSI off, but is adjustable. Rated at 20A/120V. This UL and CSA approved. Replace the pressure switch if the compressor no longer cuts in or cuts...

Old Part Numbers: 046-0137Oil seal for the crankshaft (flywheel side) of the B5900 air compressor pump.

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

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 while running, there's a good chance you need to install...

Old Part Numbers: 6211848500, 223611336110 X 35MM