Genuine OEM Audi Engine Coolant Hose, part number 4M0265374AA. This critical component is responsible for transporting engine coolant, playing a vital role in regulating the engine's operating temperature and preventing overheating. Measuring 0.112m in length, 0.045m in width, and 0.027m in height, it weighs 0.0337 kg. Choosing a genuine OEM hose ensures the correct routing geometry, material composition, and resistance to high temperatures and pressures, which are essential for a leak-free and reliable cooling system.