Genuine OEM Audi Coolant Pipe, part number 1K0121070R. This rigid pipe is an integral component of the engine cooling system, responsible for transporting coolant throughout the engine to dissipate heat effectively. Measuring 0.14 meters in length and weighing 0.1955 kg, it is designed for durability and precise fitment. Opting for a genuine OEM coolant pipe ensures the correct material composition, resistance to corrosion and pressure, and exact routing geometry, which are critical for preventing leaks and maintaining the integrity of the cooling system.