The STIHL 41441904013 ErgoStart Starter Assembly is a genuine OEM replacement part designed for a wide range of STIHL handheld power equipment. This complete starter unit features the ErgoStart system, providing smooth and effortless engine starting. It is compatible with numerous STIHL models including FS, FC, HL, HT, KM, and SP series machines, ensuring reliable performance and a perfect fit. This assembly includes all necessary components for a full starter replacement.