Genuine OEM Volkswagen Mounting Block, part number 6R6810745A. This mounting block is specifically designed to secure the belt tensioner in its correct position, ensuring optimal performance of the serpentine or timing belt system. It is located in the upper front section of the engine bay. Precision-engineered from durable materials, it provides a stable mounting point. Genuine OEM parts ensure the correct alignment and tensioning of the belt system, preventing premature wear and ensuring reliable engine operation.