Old Part Numbers: 68-4-21/8" MPT x 1/4" compression adapter for air compressor unloader line.

1/2" compression nut and sleeve, brass.

Four gaskets needed for valve plate and head gaskets.  Note: Two-piece valve plate style only. No returns or refunds. If the compressor pump doesn't seem to pressurize as quickly as it should or is leaking in between the head, valve plate, cylinder,...

Old Part Numbers: 5130038-00, 5130024-001/4" OD brass nut and sleeve for bleeder (unloader) tube for air compressors.

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...

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

Intercooler gasket for the B5900 air compressor pump. Also available in the B5900Head Gaskets or 53N0056 Gasket Kit. We recommend ordering the gasket kit, as it will save you money and will ensure that you have all of the head gaskets. We always...