Genuine OEM Audi Fuel Tank Tensioning Strap, part number 4M4201391. This robust metal strap is designed to securely hold the fuel tank in its proper position, preventing any unwanted movement or displacement. It is positioned on the left side of the fuel tank assembly. Weighing 0.801 kg, this tensioning strap provides critical support and stability for the fuel system, ensuring the tank remains firmly anchored under all driving conditions for safety and reliability.