Replace this seal when replacing the piston / cylinder kit, and if air is leaking from the head at the outlet.

Old Part Numbers: Z-A08548, Z-D29777Valve Plate Assembly, includes Valves and Cylinder Gasket (Head Gasket sold separately). Genuine Porter Cable replacement part. Broken valve causing slow pump up or no compression at all? Replace this valve plate kit...

Old Part Numbers: N021824, N021824SV, N383162Complete Regulator/Manifold Assembly. Includes the Manifold, Air Regulator, Pressure Gauges, and Couplers. Replace if the manifold is damaged or leaking, or if you can't regulate the air to your tool.

Cylinder gasket. This is the gasket in between the valve plate and piston/cylinder.

Screw for the piston rod cover.

Air compressor regulator knob.

Includes all internal parts to repair the air compressor air regulator. NOTE! For Manifolds MADE IN CHINA (See label on back). The regulator controls the amount of air to your hose. Replace this if you're not able to adjust the PSI to your hose...