Husqvarna OEM Piston Ring for 365 X-Torq 372XP, 372XPG X-Torq, CS2172 Chainsaws 576818401

Piston ring from Husqvarna. Rings wear over the life of the engine and a fresh ring will often give your saw a new lease on life. We recommend using a piston ring clamp set to help when changing piston rings.