Exhaust Muffler Bolt with Gasket For Husqvarna 340 345 346 346XP 350 351 353 Chainsaw Replacement Part For Husqvarna 340 345 346 346XP 350 351 353 chainsaw part Replace OEM for 503202987, 503204587, 503862501 Package include 1 x Muffler Gasket, 2 x Muffler Bolt