General description Carburetor for Stihl models including FS120, FS120R, BT120, BT120C, FS200, FS200R, SP200, FS250, FS250R, HT250, FT250, FS300, FS350, FR350, FR450, FR480, and FR480C. This high-quality replacement part ensures optimal performance for your Stihl brushcutter, string trimmer, auger, and pole pruner. Technical specifications Part Numbers: Zama C1Q-S51, C1Q-162B, C1Q-S82-S83, C1Q 120 0653, 4134 120 0653, 4134 120 0652, 4134 120 0651, 4134 120 0602, 4134 120 0604 Compatibility and accessories Compatible with various Stihl models: FS120, FS120R, BT120, BT120C, FS200, FS200R, SP200, FS250, FS250R, HT250, FT250, FS300, FS350, FR350, FR450, FR480, FR480C Installation Easy to install, designed to fit seamlessly with compatible Stihl models Usage Ideal for maintaining and restoring the performance of your Stihl equipment