The STIHL 41484004712 Control Unit is a genuine OEM replacement part designed for various STIHL trimmers, brushcutters, and KombiSystem powerheads. This essential component manages engine functions, ensuring reliable starting, consistent performance, and efficient operation. It is compatible with models such as the FS 90, FS 100, FS 110, FS 130 series, HT 100, HT 101, KM 90, KM 100, KM 110, KM 130 series, SP 90, FC 90, FC 95, FC 100, and FC 110. Replacing a faulty control unit restores proper engine control and extends the life of your equipment.