STIHL Muffler – 4180 140 0603

Product Details & Features

STIHL Muffler – part no. 4180 140 0603 is a genuine replacement exhaust component engineered to suppress engine noise and safely direct exhaust gases away from the user and equipment. Designed and manufactured to STIHL’s strict OEM quality standards, this muffler ensures consistent engine performance, reduced noise emission, and improved overall reliability for compatible STIHL cut-off saws and outdoor power tools.

Using a genuine STIHL muffler helps maintain correct back pressure and combustion characteristics, supporting smooth engine operation and helping your tool run as intended — with lower operating noise and compliance with emission expectations.

Key Features

• Genuine STIHL OEM Part – Ensures precise fit and reliable performance

• Noise Suppression Design – Reduces exhaust noise for safer, more comfortable operation

• Durable Construction – Built to withstand heat and vibration from 2-stroke engine use

• Maintains Engine Performance – Helps preserve correct back pressure and combustion characteristics

• Easy Replacement – Direct replacement for original muffler assembly

Fits These STIHL Models

This Muffler 4180 140 0603 is suitable for use on the following STIHL petrol-powered tools:

Cut-Off Saws / Concrete Saws:

• TS 420

• TS 500i

• TS 480i

Trimmers / Brushcutters (where the same muffler mounting is used):

• Certain early versions of FS brushcutters that share the same engine series (confirm with your specific parts diagram)

Product Details

• Product Type: Engine muffler / exhaust silencer

• Part Number: 4180 140 0603

• Brand: STIHL

• Application: Replacement muffler for compatible STIHL petrol tools

• Material: Heat- and corrosion-resistant metal construction

Why Choose the STIHL Muffler 4180 140 0603

The STIHL Muffler 4180 140 0603 helps your equipment meet performance and noise expectations by maintaining proper exhaust routing and sound reduction. Its genuine design ensures exact fit, reliable durability under tough conditions, and continued engine health — making it a dependable replacement for worn or damaged mufflers on compatible STIHL equipment.