General description FS90 Carburetor C1Q-S174 is designed for use with various STIHL brush cutters and trimmers, including models FS87, FS90, FS100, FS110, HT100, HT101, HL100, HL90, FC95, FC90, FC110, FC100, KM90, KM100, and SP90. This high-quality carburetor ensures optimal performance and efficiency for your gardening tasks. Technical specifications Compatible with part numbers: 41801200607, 41801200608, 41801200610, 41401242800 Includes: 1 x Carburetor, 1 x Air Filter, 1 x Spark Plug, 1 x Check Valve, 2 x Gaskets Usage Enhance the performance of your STIHL equipment with this carburetor, which helps you complete your gardening tasks more efficiently.