Old Part Numbers: K0058, K-0058, K0650, K-0650 Sears 919.16014, 91604, K-0650Compression ring replacement kit includes the cylinder, piston ring, retaining screw, o-ring, and head o-ring. Restores compression. Note: Does not include the connecting rod...

O-ring seal for air compressor valve plate, installs in between the cylinder and valve plate. Used with original style valve plate.SpecificationsO-ring measures 2.759"/2.719" ID

New style filter assembly with 3/8" threads. Includes new style air filter, head, and o-ring. Note: Do NOT order if your head has 2 holes on the SAME side of the head. This head has 3/8" FPT threaded ports on both sides. If your head has a 3/8" port...

Screw, .250-20 x 1.25" U. This is one of the screws for the pump head; also used to attach the saddle mount cup/foot to the base of the pump.