HIPA 45mm Clinder Piston Assembly for Husqvarna 346 350 351 353 Chainsaw Replacement manufacturer part number: 537 25 3002 Cylinder size: 45mm Fitment models: Husqvarna 346 350 351 353 chainsaw Package include: 1pc cylinder,1pc piston, 1pc piston pin, 1pc piston ring, 2pcs clips