Genuine OEM Audi Auxiliary Heater Coolant Hose, part number 8R0265355C. This flexible hose is responsible for transporting coolant within the auxiliary heating system, ensuring efficient and reliable cabin heating. It connects to a valve assembly within the auxiliary heater circuit. Weighing 0.0561 kg and measuring 0.08 m in length, it is a compact and durable component. Genuine OEM coolant hoses are manufactured from high-quality, heat-resistant materials with precise routing and connection points, preventing leaks and ensuring efficient system operation.