Genuine OEM Audi Coolant Hose, part number 079121070BS. This hose plays a crucial role in the engine's thermal management system, carrying coolant to maintain optimal operating temperatures. It is engineered to resist degradation from heat, pressure, and coolant chemicals. Made from robust, high-quality materials for extended service life. Genuine OEM coolant hoses ensure the correct dimensions and material properties for safe and efficient operation of the cooling system.