Genuine OEM Audi Coolant Hose Line, part number 7L0819927D. This critical component is responsible for circulating coolant throughout the engine cooling system, playing a vital role in regulating engine temperature and preventing overheating. It ensures efficient heat transfer away from the engine. Weighing 0.44 kg and measuring 0.7 meters in length, this hose line is designed for specific routing and connection points. Opting for a genuine OEM coolant hose line guarantees the correct material composition, pressure resistance, and precise geometry for a leak-free and reliable cooling system.