Genuine OEM Audi Coolant Hose, part number 5N0122086F. This essential component is responsible for transporting coolant within the engine cooling system, ensuring efficient heat exchange and maintaining optimal engine operating temperatures. It is located within the engine bay, connecting various cooling system components. Measuring approximately 0.43 meters in length, this hose is made from durable, high-temperature resistant rubber. Using a genuine OEM coolant hose guarantees correct dimensions, material integrity, and resistance to thermal cycling and chemical degradation.