Genuine OEM Volkswagen Exterior Mirror Housing, part number 10C857508K9B9. This component forms the main structural body of the left-side exterior mirror assembly, protecting internal mechanisms and providing mounting points for the mirror glass and cover. Finished in Satin Black (9B9), it ensures a precise fit and color match with the vehicle's exterior. Genuine OEM mirror housings are engineered for durability and proper integration with other mirror components, crucial for maintaining visibility and safety.