https://www.mccoys.com/shop/p/39120022/stihl-4140-007-1800-tune-up-kit
Stihl Tune-Up Kit, Specifications: For Use with FS 38, FS 45, FS 46 Trimmers, FS 55 Brushcutter, HL 45 Extended Reach Hedge Trimmer, KM 55 Kombi Motor, Includes: Air Filter, Fuel Filter, Spark Plug
Includes
Air Filter, Fuel Filter, Spark Plug
Specifications
For Use with FS 38, FS 45, FS 46 Trimmers, FS 55 Brushcutter, HL 45 Extended Reach Hedge Trimmer, KM 55 Kombi Motor