Genuine OEM Audi Coolant Hose with Coupling, part number 1C0122157AE. This critical component is designed to connect various parts of the engine cooling system, facilitating the flow of coolant to maintain optimal engine operating temperatures. It features an integrated quick-release coupling for secure and leak-free connections. Measuring 0.335m in length and weighing 0.292 kg, this hose is engineered for precise routing and durability. Using a genuine OEM coolant hose ensures the correct material composition, pressure resistance, and exact fitment, preventing leaks and maintaining the integrity of the cooling system under all operating conditions.