Genuine OEM Audi Engine Coolant Hose, part number 5N0122157AM. This hose is a vital component of the engine cooling system, responsible for transporting coolant between various engine components to regulate temperature and prevent overheating. It features a specific curved geometry for precise routing within the engine bay. Weighing 0.234 kg, this hose is constructed from durable materials to withstand high temperatures and pressures. Choosing genuine OEM ensures the correct material composition, pressure rating, and exact routing geometry for leak-free and reliable cooling system performance.