Genuine OEM Audi Engine Coolant Pipe, part number 057121597AB. This pipe is a vital component of the engine cooling system, responsible for transporting coolant between various components to regulate engine temperature. It is typically located within the engine bay, connecting the radiator, water pump, or other cooling system parts. Measuring 0.223 m in length and weighing 0.104 kg, this pipe is designed for durability and resistance to high temperatures and pressures. Using a genuine OEM coolant pipe ensures precise fitment, proper flow characteristics, and long-term reliability, preventing leaks and maintaining optimal engine operating temperatures.