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-D29777Broken valve causing slow pump up or no compression at all? Replace this valve plate kit to restore compression (make sure piston and cylinder are not worn as well). NOTE: The D30139 Gasket Kit must be...

Part of piston/connecting rod kit.

Old Part Numbers: CAC-1213

Also available in Fastener Kit # KK-4929. Torque head bolts down to 52 in/lbs.

THD FORMING

Air compressor regulator repair kit includes the plug with ring, o-ring, spring, piston with seal, disk with o-rings, and seal lube with instructions. Used on many brands from Craftsman to DeVilbiss to DeWalt. If air leaks from the regulator, or when you...