Genuine OEM Audi Coolant Hose, part number 1T0122157CJ. This multi-branched flexible hose is a vital part of the engine cooling system, responsible for circulating coolant to various engine components. The diagram indicates its position in the upper engine bay, connecting several cooling lines. Weighing 0.2365 kg, this hose is engineered for flexibility and durability. Using genuine OEM coolant hoses ensures correct routing, resistance to temperature extremes, and long-lasting leak-free operation.