Genuine OEM Audi Engine Coolant Pipe, part number 057121163C. This critical component is responsible for transporting engine coolant between various parts of the cooling system, such as the radiator, engine block, and heater core. Its precise routing and durable construction ensure efficient heat transfer and prevent leaks. Weighing 0.085 kg, this pipe is designed for specific connections within the engine bay. Opting for a genuine OEM coolant pipe guarantees the correct material composition, pressure resistance, and exact fitment, which are vital for preventing leaks and maintaining the integrity of the entire cooling system.