Non-OEM Replacement: This is a non-OEM replacement part designed to fit STIHL models like FS40C, FC56 FS56 C-E FS40 C-E FS56RC KM56 RC-E FS50C A cost-effective alternative to the original part. Compatible with Multiple STIHL Models: Perfect for FS40C, FC56 FS56 C-E FS40 C-E FS56RC KM56 RC-E FS50C and other STIHL tools, replacing OEM part numbers 4144 190 4013, 4144-190-4013, and 41441904013. Ergostart Technology: Features the easy-to-start Ergostart system, providing smooth and effortless starting for a hassle-free user experience. Durable and Reliable: Crafted to offer similar functionality to the original STIHL part, ensuring reliable performance and long-lasting use. Affordable Alternative: Enjoy similar quality and performance without the premium price of an OEM part. Ideal for users seeking a budget-friendly replacement for their STIHL tools.