Genuine OEM Audi Turbocharger Oil Return Hose, part number 079145743A. This hose is specifically designed to return hot oil from the turbocharger assembly back to the engine's oil pan. Its function is vital for the proper lubrication and cooling of the turbocharger, preventing overheating and premature wear. This is the left-side hose, engineered with precise bends for correct routing. Made from high-quality, oil and heat-resistant rubber, it measures approximately 0.135 meters in length. Using a genuine OEM hose ensures the correct material properties and exact routing geometry, critical for maintaining turbocharger health and preventing oil leaks.