Genuine OEM Audi Coolant Hose, part number 4E0265371F. This hose is designed to transport coolant efficiently within the vehicle's cooling system, playing a critical role in maintaining optimal engine operating temperature. It is a connecting component within the coolant circuit. Constructed from durable EPDM rubber, this hose measures approximately 0.125 meters in length. Choosing a genuine OEM hose ensures precise fitment, correct material composition for resistance to heat and pressure, and reliable performance, preventing leaks and maintaining cooling system integrity.