Genuine OEM Audi Coolant Pipe, part number 5N0121070Q. This rigid pipe is an essential component of the engine cooling system, responsible for routing coolant between various engine components and the radiator. It ensures efficient heat transfer and maintains optimal engine operating temperatures. Weighing 0.36 kg, this pipe is constructed from durable materials designed to withstand high temperatures and pressures. Using a genuine OEM coolant pipe ensures precise fitment, correct routing, and long-term resistance to corrosion and leaks, which is critical for the integrity of the cooling system.