Genuine OEM Audi Turbo Oil Return Line, part number 076145735B. This essential line is responsible for returning hot oil from the turbocharger assembly back to the engine sump, ensuring proper lubrication and cooling of the turbo. It is positioned to connect the turbocharger to the engine block. Weighing 0.333 kg, this line is designed for precise routing and resistance to high temperatures and oil pressure. Using a genuine OEM oil return line guarantees correct material composition and exact fitment, preventing leaks and maintaining turbocharger longevity.