The STIHL 47435100303 Control Piston is a genuine OEM replacement part designed for a wide range of STIHL outdoor power equipment. This essential component ensures precise control within the engine system, maintaining optimal performance and reliability. It is compatible with numerous STIHL models, including popular series like FS, KM, BR, and HS, covering trimmers, brushcutters, blowers, and kombi engines. Using genuine STIHL parts helps ensure proper fitment and extends the lifespan of your machinery.