McCulloch Chainsaw Engine Piston Ring545160401

This is a genuine engine piston ring replacement part for your chainsaw. 

Helps seal the combustion chamber of your chainsaw, maintaining proper compression and ensuring efficient engine performance. It plays a key role in reducing friction and preventing oil from leaking into the combustion zone.

If your chainsaw is losing power, producing excess smoke, or hard to start, a worn piston ring could be the cause. Swap it with this replacement part to restore strong, reliable cutting performance.

This chainsaw engine piston ring is from McCulloch. Also fits Jonsered and Partner models.

Before ordering, please verify that this part is suitable for your model using our compatibility checker.