Signswise New Pack of Exhaust Muffler + Gasket + 2 Bolts fit for Husqvarna 36 41 136 137 141 142 Chainsaw Replaces 545006044 Replacement OEM # 503 06 94-15 Fit for Husqvarna 36 41 136 137 141 142 New high quality replacement parts Package includes 1 muffler + 1 gasket + 2 bolts Ship from China via ePacket, usually takes about 10-15 business days for the delivery