- Designed for compatibility with STIHL FS120, FS200, and FS250 Line Trimmers, ensuring a perfect fit for your equipment. - Replace your worn or malfunctioning part with this OEM-compatible Throttle Control Switch, equivalent to part number 4128 790 1301, restoring optimal performance. - The package includes one high-quality Throttle Control Switch, crafted for durability and reliability, helping you get the most out of your trimmer. Key Benefits: - Enhances the functionality of your STIHL line trimmer, providing smooth throttle response and improved cutting performance. - Easy to install, allowing for quick replacement and minimal downtime, so you can return to your tasks without delay. - High-quality construction ensures long-lasting use, reducing the need for frequent replacements and maintenance. Practical Applications: - Ideal for professionals and homeowners tackling landscaping, gardening, or yard maintenance, offering precision control over your trimmer's performance. - Suitable for various tasks such as trimming grass, clearing weeds, and maintaining flower beds, making it a versatile addition to your toolset. - Perfect for seasonal maintenance, ensuring your trimmer works effectively, whether preparing for summer landscaping or autumn clean-up. Choose this Throttle Control Switch for a reliable performance upgrade that meets the high standards of STIHL equipment.