Pack of 2 – Enhanced Durability: Our dual pack bearing housing ensures you have a spare ready. Crafted from robust metal, it reduces wear and extends product life. Compatible with Stihl trimmers, these parts help prevent frequent replacements, saving time and money. High-Quality Construction: Made from premium metal, these bearing housings are built to last, resisting breakage and decay. Their durability ensures smooth trimmer operation and extends its lifespan, reducing the need for costly new purchases. Perfect Compatibility: Specifically designed to fit Stihl FS38, FS40, FS45, and FS46 models, our bearing housings seamlessly replace part number 4144 640 5900. They are engineered for a precise fit, ensuring optimal performance and efficiency during trimming tasks. Simple Installation, Long-Lasting Performance: Installation is straightforward with our bearing housings. We include necessary lubricants and safety gloves for quick setup. Regular application of lubricant ensures stable, long-term trimmer operation. Essential for Efficient Mowing: Resolve common trimmer issues like overheating with our precisely engineered bearing housings. These vital replacements stabilize trimmer operation, enhancing mowing efficiency and helping maintain a well-kept lawn. Color: Photo Color Material: Metal Note: The actual product may have slight color variations, which do not affect functionality. Package Contents: 2 x Bearing Housing Note: Light reflection and different displays may cause the item color in the image to vary slightly from the real item. Measurement may have an error of +/- 1–3 cm.