Genuine OEM Audi Coolant Hose With Coupling, part number 8J0122101A. This complex hose assembly is crucial for transporting coolant throughout the engine cooling system, connecting to the radiator and various other components. It features multiple branches and quick connection points for precise routing and secure fitment. Weighing 0.672 kg and measuring 0.505 m in length, this hose is constructed from durable, heat-resistant materials. Using a genuine OEM coolant hose ensures the correct routing geometry, material integrity, and leak-free operation essential for engine longevity.