Air compressor compression ring, pre-formed. Note: After you install the ring on the piston rod, install the rod in the cylinder by inserting the rod from the top of the cylinder and pull it down. Do not push the rod into the...

Old Part Numbers: SSF-3158-1This is the screw that holds down the piston cover, on the top of the piston.

Order this if ordering valve plate or a new head.

Screw to bolt the fan to the motor, .250-20 x .750 U.

Must order quantity of 4 for complete set. 1/4"-20 x 1-1/4 length.

Old Part Numbers: Z-AC-0032, AC-0032Valve plate comes with preinstalled valves and o-rings. Poor performance or air leaks out of the intake filter while the unit is running? This is probably the problem.