Old Part Numbers: 5940051Valve plate assembly for B5900 air compressor pumps. Replace this valve plate assembly to restore compression (ABAC). NOTE: Does not include gaskets. To complete your repair also order the Head Gasket Kit or the complete Gasket...

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 cool the pump.

Includes all four (4) rings for the smaller, high-pressure (HP) piston (hone the cylinders before installation). For the B5000 and B5900 model air compressor pumps. If you have a sudden loss of performance or if the pump is using too much oil, replacing...

This handy maintenance kit includes a B5000/B5900/B6000 air filter element and one (1) quart of high-quality synthetic blend lubricant to keep your air compressor running like a champ! Replace the air filter every 3-4 months if the air compressor is used...

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

Old Part Numbers: 5050400Graphite head gasket (in between the head and the top of the valve plate) for the B5900 air compressor pump. We recommend ordering the gasket kit, as it will save you money and will ensure that you have all of the head gaskets...

Old Part Numbers: 4L620Air compressor v-belt. Replace if frayed or slipping. Specifications A-type belt, 1/2" wide Outside Dimension: 62" "A" Belt Conversion: A60