Revitalize your outdoor maintenance routine with our premium Trimmer Gearbox Head Assembly, designed to enhance the performance of your brushcutters and clearing tools. This high-quality replacement part is engineered to seamlessly fit a wide range of applications, including backpack brushcutters, pole saws, and kombi tools, ensuring you can tackle any landscaping task with ease.Crafted to replace OEM part numbers 4137 640 0100, 4130 640 0100, and 4130 641 0300, this gearbox head assembly guarantees compatibility with numerous models, including FS25-4, FS65-4, FS36, FS40, FS44, and many more. Whether you own a FS200R or a FS460C, this assembly is your go-to solution for maintaining optimal performance and efficiency.Engineered for durability, our gearbox head assembly is built to withstand the rigors of heavy-duty use, providing you with a reliable tool that enhances your productivity. The precision design ensures smooth operation, reducing wear and tear on your equipment while delivering powerful cutting performance.Upgrade your trimmer with this essential replacement part and experience the difference in your landscaping projects. Say goodbye to downtime and hello to a well-maintained yard with our Trimmer Gearbox Head Assembly. Perfect for both professional landscapers and DIY enthusiasts, this assembly is a must-have for anyone looking to keep their outdoor tools in top shape. Invest in quality and efficiency today!