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.