Genuine OEM Audi Coolant Hose, part number 8W0145050A. This hose is designed to transport engine coolant between various components of the cooling system, ensuring efficient heat dissipation and temperature regulation. It is located within the engine cooling circuit, as indicated by the diagram. Weighing approximately 0.1345 kg, it is engineered for durability under pressure and temperature fluctuations. Using a genuine OEM coolant hose ensures the correct material composition for resistance to heat and pressure, precise routing geometry, and leak-free connections for optimal cooling system performance.