John Deere Muffler & Gasket Kit AM131220 M92365John Deere Muffler & Gasket Kit. Included: AM131220 – Muffler. 1 M92365 – Gasket. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Outdoor Power Equipment\Snow Blowers”. The seller is “bombergersstore” and is located in this country: US. This item can be shipped to.