Genuine OEM Volkswagen Tensioning Strap, part number 2K3201651AA. This tensioning strap is designed to maintain the correct tension on a belt or chain within the engine, ensuring proper operation of accessories or timing. It is located at position 19 on the diagram. This part has a length of 0.535 meters and a width of 0.038 meters. Genuine OEM tensioning straps are crucial for precise belt tension, preventing slippage and ensuring the longevity of related components.