Pack of 2 for Enhanced Durability: Our dual pack bearing housing ensures you have a spare ready, crafted from robust metal for reduced wear and extended life. Compatible with Stihl trimmers, these parts prevent frequent replacements, saving both time and money. High-Quality Construction: Crafted from premium metal, these bearing housings are built to last, resisting breakage and decay. Their durability ensures your trimmer operates smoothly, extending its lifespan and reducing the necessity for costly purchases. Perfect Compatibility: Specifically designed to fit for Stihl FS38, FS40, FS45, FS46 models, our bearing housings seamlessly replace part number 4144 640 5900. They are engineered for a perfect fit, ensuring optimal performance and efficiency in your trimming tasks. Simple Installation, Prolonged Performance: Installation is straightforward with our bearing housings. We include necessary lubricants and safety gloves for a quick setup. Regular application of lubricant promises a stable, long-term operation of your trimmer. Essential for Efficient Mowing: Resolve common trimmer issues like overheating with our meticulously engineered bearing housings. These vital replacements stabilize trimmer operation, enhancing your mowing efficiency and ensuring a consistently well-maintained lawn. Colour:Photo Color Material:Metal The actual product may have slight color difference or difference, which will not affect the use Package Contents: 2x bearing housing Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.