1143 140 0653 – STIHL Muffler (Genuine OEM Part) Stihl CHAIN SAW MS291KIT 18 engineered to maintain proper compression

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

Provide operator control over ignition stop function

drive wheelsOEM Status: Genuine Ariens® / Gravely® replacement part

Maintains consistent ground speed and drive response

1143 140 0653 – STIHL Muffler (Genuine OEM Part) Stihl CHAIN SAW MS291KIT 18 engineered to maintain proper compression1143 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