Genuine OEM Audi Coolant Hose, part number 1K0122157HH. This hose is designed to transfer coolant throughout the engine cooling system, playing a vital role in maintaining optimal engine operating temperature. It features integrated heat shielding for enhanced durability and thermal protection. Measuring 0.43 meters in length and weighing 0.25 kg, this genuine OEM hose ensures correct routing geometry, pressure resistance, and long-term reliability in demanding engine environments.