Genuine OEM Audi Engine Coolant Hose, part number 80A122445B. This branched hose assembly is vital for circulating engine coolant through various components of the cooling system, ensuring efficient heat dissipation and stable engine operating temperatures. It is constructed from durable, heat-resistant rubber and includes integrated clamps for secure connections. Choosing a genuine OEM coolant hose guarantees precise fitment, correct material composition, and resistance to thermal and chemical degradation, preventing leaks and ensuring long-term cooling system reliability.