Genuine OEM Audi Engine Coolant Line, part number 5Q1815097M. This pipe assembly is crucial for the engine's cooling system, efficiently transporting coolant to regulate engine temperature and prevent overheating. It is engineered with precise bends and connection points to ensure correct routing and a leak-free fit within the engine bay. Weighing 0.824 kg, this genuine OEM coolant line guarantees the correct material composition and structural integrity for long-term resistance to heat and pressure, ensuring reliable engine cooling.