Qauick New Pack of Exhaust Muffler 1 Gasket 2 Bolts fit for Husqvarna 36 41 136 137 141 142 Chainsaw Accessories Replaces 545006044 New high quality replacement parts Replacement OEM # 503 06 94-15 Fit for Husqvarna 36 41 136 137 141 142 Package includes 1 muffler + 1 gasket + 2 bolts