1139 140 0608 – STIHL Muffler (Genuine OEM Part) adjustable air gap This muffler mounts directly to

This muffler mounts directly to the cylinder exhaust port and works in conjunction with the ignition and cylinder assembly

coordinating intake and exhaust valve operation with piston movement

Toro models designed to accept OEM Recycler kits

protect metal surfaces

this guide bar is widely used across many STIHL chainsaws and pole pruner models in the U

1139 140 0608 – STIHL Muffler (Genuine OEM Part) adjustable air gap This muffler mounts directly to1139 140 0608 STIHL Muffler (Genuine OEM Part) The STIHL 1139 140 0608 Muffler is a genuine OEM exhaust component designed to properly route and dampen exhaust gases on select STIHL chainsaws. This muffler plays a critical role in reducing exhaust noise, controlling emissions, and maintaining correct engine backpressure for smooth and efficient operation. Manufactured to STIHL original factory specifications, the muffler is built from high quality,