Mill Supply carries a variety of replacement Mufflers that fit Kohler Mowers and other mower parts & accessories.

Muffler fits 8-16 hp, for 1" pipe, 1" pipe thread, 1-1/4" ID.

Muffler fits K-91 engines.

Muffler fits, 7, 10 & 12 hp engines. Inlet ID 1-3/8", Outlet ID 1-3/8", Length 11-1/2".

Muffler fits K-161 & K-181 engines. Replaces 48-068-01.

Muffler replaces (45-068-01) for 1-1/4" pipe, 1-9/16" ID.

Muffler fits K-91 engines (4 hp), painted. Pipe 3/4".
Mower-parts.net is your complete resource for quality replacement Mufflers that fit Kohler mowers as well as other Kohler Mower Parts.