Genuine OEM Audi Coolant Hose, part number 4E0265373H. This hose plays a vital role in the engine cooling system, facilitating the circulation of coolant to maintain optimal engine operating temperatures. Its specific design ensures a secure connection to associated cooling components. Constructed from high-quality, durable rubber compounds, a genuine OEM coolant hose resists temperature extremes and pressure, providing a reliable and leak-proof connection essential for the cooling system's integrity.