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

Air compressor oil site gauge and gasket. Replace if cloudy or leaking.Specifications 1" diameter

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...

Old Part Numbers: 2901324963Air compressor intercooler safety valve. If your valve leaks below the pressure listed on the side of the valve, replace this vital safety feature.Specifications 1/4" male NPT 65 PSI DeVilbiss and Craftsman air compressor...