Genuine OEM Audi Engine Coolant Feed Hose, part number 4M0145910K. This hose is designed to transport coolant, playing a critical role in maintaining the engine's optimal operating temperature. It is a flexible component within the engine cooling system. Weighing 0.37 kg and measuring 0.55 m in length, its specific routing, durable material, and precise connections are vital for preventing leaks and ensuring efficient heat exchange.