1143 140 0653 – STIHL Muffler (Genuine OEM Part) Stihl CHAIN SAW MS291KIT 18 Heavy-duty HB-section wrapped V-belt

Heavy-duty HB-section wrapped V-belt

engineered to maintain proper compression and sealing within the engine cylinder of compatible STIHL chainsaws

Built from durable materials

Built for durability and reliable operation

Provides fast and reliable chain stopping action

1143 140 0653 – STIHL Muffler (Genuine OEM Part) Stihl CHAIN SAW MS291KIT 18 Heavy-duty HB-section wrapped V-belt1143 140 0653 STIHL Muffler (Genuine OEM Part) The STIHL 1143 140 0653 is a genuine OEM muffler designed to reduce exhaust noise and safely direct exhaust gases away from the engine and operator on compatible STIHL chainsaws. This muffler plays a critical role in maintaining proper engine performance, noise control, and emissions compliance. Manufactured to STIHLs original equipment specifications, this muffler is constructed from durable, heat