12V 50A waterproof starter switch for boat engine and car horn1. Support and protection: Support bearings to reduce wear and prevent pollution.<br> 2. Adjustment and fixation: Adjust the bearing clearance and fix the bearing position.<br> 3. Enhanced performance: Improve bearing rigidity and accuracy to ensure mechanical system stability. These functions together ensure the normal operation and efficient performance of the lawn mower.<br> Durable material<br> Light weight and durability<br> This is High quality of Metal material<br> Very compatible with for Stihl FS38, FS45<br> Condition:<br> Type:Bearing Housing<br> Part Number:41446405900 4144-640-5900 4144 640 5900<br> Fitment:<br> For Stihl FS38, FS45 Trimmer, 4144 640 5900 weedeater Parts,<br> Bearing Housing:For FS36,FS40,FS44,FS46,FS40,FS50,FSE60.FSE71.FSE81.<br> Colour:As Shown<br> Material:Metal<br> Package Contents:<br> 1 x Bearing Housing<br> Only the above package content, other products are not included.<br> 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.