Genuine OEM Audi coolant hose, part number 079121481S. This hose is designed to transport coolant between engine components, ensuring efficient thermal management. It is located within the engine cooling assembly. Constructed from high-grade, heat-resistant rubber, this hose is built to withstand the pressures and temperatures of the cooling system. Genuine OEM hoses are critical for maintaining the correct routing geometry and fluid resistance, preventing leaks and ensuring the long-term reliability of your engine cooling system.