×
Description
1122 140 0609 – Muffler (Genuine STIHL OEM Part)
The STIHL 1122 140 0609 Muffler is a genuine STIHL OEM exhaust component engineered to control exhaust flow, reduce noise, and manage heat on professional-grade STIHL chainsaws. Designed to original factory specifications, this muffler ensures proper backpressure and reliable engine performance while meeting STIHL durability standards.
Precision-built for exact fitment, the muffler integrates correctly with the cylinder and exhaust port to support consistent power output and long service life in demanding cutting environments.
Product Details
-
Part Number: 1122 140 0609
-
Description: Muffler
-
Component Type: Engine exhaust / muffler
-
Brand: STIHL
-
OEM Status: Genuine STIHL OEM replacement part
-
Condition: New
Key Benefits
-
Controls exhaust noise and directs exhaust gases safely
-
Maintains correct exhaust backpressure for optimal performance
-
Built to withstand high temperatures and vibration
-
Precision fit for reliable sealing and mounting
-
Direct OEM replacement for factory-correct operation
Compatibility
This muffler is used on the following STIHL models:
-
064
-
064 R
-
064 RW
-
066 MR
Installed in the muffler / exhaust assembly, depending on model configuration.
The 1122 140 0609 STIHL Genuine OEM Muffler restores proper exhaust function and ensures the engine operates according to original factory performance standards.






