Genuine OEM Audi Coolant Pipe, part number 03C121065F. This rigid pipe is a crucial component within the engine cooling system, responsible for directing coolant flow between various engine components. It ensures efficient heat transfer and maintains optimal engine operating temperatures. With a length of 0.386m and a weight of 0.2 kg, it is a precisely formed part. Choosing a genuine OEM coolant pipe guarantees the correct material composition for heat and corrosion resistance, exact routing geometry, and secure connections, preventing leaks and maintaining cooling system integrity.