Genuine OEM Volkswagen Turbocharger Oil Return Line, part number 057145735AF. This essential component is responsible for returning hot oil from the turbocharger bearing housing back to the engine's oil pan, ensuring proper lubrication and cooling of the turbo. It is positioned on the lower left side of the turbocharger assembly. Weighing 0.442 kg and measuring 0.301 m in length, this line is engineered for high temperature and pressure resistance. Using a genuine OEM oil return line ensures proper routing, material integrity, and leak-free operation, preventing oil leaks and potential turbocharger or engine damage.