Perfectly compatible: This carburetor is specifically designed to fit the FS40, FS50, FS56, FS70, FC56, KM56 garden tools with model C1M-S207 and part number 4144 1200603. Improved functionality: The carburetor enhances the overall functionality of your garden tool by a steady and appropriate fuel-air mixture.
This product would be ideal for Stihl FS40, FS50, FS56, and KM56 string trimmers' carburetor replacement.
