Old Part Numbers: 312352001, 312352003

Old Part Numbers: KK-4964Includes piston / rod assembly with piston ring, cylinder, and rod bearing.  If you have a sudden loss of performance, replacing the cylinder sleeve and piston ring usually restores compression in oil-free units. Inspect the...

Kit includes Piston (Compression) Ring and Cylinder Cup to restore compression. Note: This kit is a piston replacement for piston head with screw-in top only. If you have a sudden loss of performance, replacing the cylinder sleeve and piston ring usually...