Stihl FS38 FS45 FS46 FS55 carburetor 4140 120 0623

This carburetor is designed to fit Stihl FS38, FS45, FS46, and FS55 2-mix series trimmers and is compatible with model 4140 120 0623. It delivers reliable performance for both routine maintenance and demanding cutting tasks.

The unit uses precision fuel mixing technology to control the fuel-air ratio for efficient combustion. This results in improved starting speed, cutting efficiency, and overall operating stability across a range of conditions.

Installation is straightforward, with an intuitive design that simplifies setup and maintenance. The carburetor is constructed from high-quality materials engineered to withstand challenging working environments, reducing downtime and the need for frequent repairs.

Whether you’re replacing a worn part or upgrading your equipment, this carburetor maintains stable performance even under demanding use. It’s a direct fit for the specified Stihl models, making it a practical choice for users who need reliable fuel delivery and consistent engine response.

Check your equipment’s model number against the compatible list before ordering to ensure proper fitment.