O-ring Seal (Gasket) on top of the Valve Plate. Usually replaced when the Cylinder O-ring is replaced or if replacing the Valves.

Old Part Numbers: SYQ52-4610Transfer tube 14" Exhaust Pipe for California Air Tools air compressor 

1 HP Obturating Ring. This is the O-ring Seal that installs on top of the cylinder cup (bottom of the valve plate).

Pressure Gauge for California Air Tools compressors. Replace if the gauge needle doesn't move or if leaking. Specifications 1.5" face back-mount gauge 175 PSI-rated

Piston Ring [MP1005]. Replace this if your compressor is producing little pressure, or no pressure at all. For 1 HP units.

Intake (Inflow) Valve for California Air Tools pumps. This is the valve on the bottom of the valve plate. If air leaks out of the intake filter or if the compressor just isn't performing like it should, order this kit. A loss of pressure or slow...

Gassing (exhaust) valve for California Air Tools pumps. This is the valve on top of the valve plate. If air leaks out of the intake filter or if the compressor just isn't performing like it should, order this kit. A loss of pressure or slow...