Genuine OEM Audi Coolant Hose, part number 8K0819371A. This flexible hose is a vital component of the engine cooling system, responsible for circulating coolant to regulate engine temperature and prevent overheating. It is designed to withstand the high temperatures and pressures encountered in the cooling circuit. With a length of 0.225m, it is precisely shaped for its specific routing. Choosing a genuine OEM coolant hose ensures the correct material composition, flexibility, and resistance to thermal and chemical degradation, providing reliable and leak-free performance.