Genuine OEM Audi Engine Coolant Hose, part number 8W0122101BB. This essential component is responsible for circulating coolant throughout the engine cooling system, playing a vital role in maintaining optimal engine temperature. Weighing 0.255 kg and measuring 0.3m x 0.09m x 0.08m, it is designed for precise fitment. Choosing a genuine OEM hose ensures the correct routing geometry, resistance to heat and pressure, and long-term durability within the cooling system.