Muffler Single Cylinder

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

Screw for the eccentric bearing assembly on crankshaft.

Note: recommend ordering kit K-0650. This kit includes a comp ring, seal and a new cylinder sleeve which should be replaced over time if scratched or damaged. Replacing the comp ring only may not fix the unit.Specifications1.89 ID X 2.54 OD

There are several different air compressor cooling fan styles. Choose this if yours looks like this one. Replace if cracked or missing fins.