1139 140 0608 – STIHL Muffler (Genuine OEM Part) adjustable air gap coordinating intake and exhaust valve

coordinating intake and exhaust valve operation with piston movement

OEM part number 4180 080 1609Application matches your STIHL parts diagramShroud location corresponds to muffler and air filter area

Press new bushing into place and reassemble caster

OEM Part Number: 4140 358 7702

protect metal surfaces

1139 140 0608 – STIHL Muffler (Genuine OEM Part) adjustable air gap coordinating intake and exhaust valve1139 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,