DFuerdivn FS45 Carburetor Kit for STIHL FS38/FS45/FS46 – Air Filter & Fuel Line Included

Overview

Meet the DFuerdivn FS45 Carburetor Kit, a practical replacement designed to renew the performance of STIHL trimmers. This kit combines a ready-to-install carburetor with an assortment of gaskets, filters, a fuel line, and a spark plug, all selected to support steady fuel delivery and cleaner air-fuel mixing. Whether you're preparing for a season of yard work or maintaining an older machine, the kit offers a practical path to smoother starts and reliable operation.

Overview

The FS45 Carburetor is presented as a versatile solution for multiple STIHL models. It is compatible with FS38, FS45, FS46, FS55, and KM55 family trimmers and hedge tools. The package is designed with compatibility in mind, including pre-2013 KM55 variants, which can help you keep a mid-year or older tool in service without hunting for singular parts.

What’s included

• 1 carburetor
• 2 gaskets
• 2 primer bulbs
• 2 fuel filters
• 2 air filters
• 1 fuel line
• 1 spark plug

Key benefits and practical notes

As a carburetor replacement, it aims to restore steady idle and consistent throttle response by ensuring reliable air-fuel delivery. The included air and fuel filtration components help prevent debris from reaching the engine, while the gasket and line kit support a proper seal and fuel routing. Since the unit was designed to fit a range of STIHL models, it may reduce downtime when servicing multiple tools or older equipment.

Compatibility snapshot

• Fits STIHL FS38, FS45, FS46, FS55 and KM55 series trimmers and hedge trimmers
• Broad compatibility with pre-2013 KM55R/RC and related kombi motors
• Direct replacement for several C1Q carburetor variants (S66, S71, S97, S143, S153, S186, and related models)

Real-world use scenarios

• Seasonal maintenance to prevent starting issues and uneven cuts
• Pre-season checks to extend tool life and keep a consistent cutting performance
• Simple replacements that reduce downtime when a part wears or seals fail

Note: This DFuerdivn kit is intended for the stated STIHL models and older KM55 variants; verify compatibility with your exact serial and model before purchasing.