Genuine OEM Audi Lower Radiator Hose, part number 8E0121109M. This hose is a vital component in the engine cooling system, specifically connecting the engine block to the radiator to facilitate coolant flow. It is positioned at the lower section of the radiator assembly. Made from durable, heat-resistant materials to ensure longevity. Genuine OEM ensures a perfect fit and reliable performance, critical for preventing engine overheating.