Genuine OEM Audi Engine Coolant Return Hose, part number 06M145948G. This hose is crucial for returning coolant to the cooling system, helping to regulate the temperature of engine components, particularly around the turbocharger. It is positioned on the right side of the engine assembly. Weighing approximately 0.047 kg and measuring 0.145 m in length, this hose is designed for precise fitment and optimal fluid flow. Using a genuine OEM hose ensures the correct material composition and routing geometry, preventing leaks and maintaining cooling system integrity.