General description Carburetor with Air Filter Fuel Hose is designed for use with various Stihl brush cutters, ensuring optimal performance and efficiency. This product includes a carburetor, foam filter, and pre-filter, making it a comprehensive replacement solution for your equipment. Technical specifications Carburetor replaces: #C1Q-S42B Foam Filter replaces: #4137 124 2800 Pre-Filter replaces: #4137 1241500 Compatibility and accessories Compatible with Stihl models: FS55, FS38, FS45, FS46, FS55C, FC55, FS74, FS75, FS76, FS80, KM85 Used on Stihl brushcutters: FS75, FS80, FS80R, FS85, FS85R, FS85T, FS85RX