Husqvarna OEM Piston Ring (50 x 1.5mm) for 365, 372 Chainsaws 503289042
HVP 503 28 90 42
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.