Genuine OEM Audi Coolant Pipe, part number 05A121065B. This rigid pipe is vital for transporting coolant throughout the engine cooling system, facilitating heat exchange and maintaining engine temperature. It integrates into the primary coolant circulation path within the engine bay. Weighing approximately 0.271 kg and measuring 0.445 meters in length, it is engineered for robust performance. Using a genuine OEM coolant pipe ensures the correct material, precise bends, and mounting points, which are critical for preventing leaks, maintaining system pressure, and ensuring reliable coolant flow.