Genuine OEM Audi Engine Coolant Hose, part number 6R0122447L. This essential component is responsible for transporting coolant throughout the engine cooling system, maintaining optimal engine operating temperatures. It is integrated within the complex network of cooling lines, connecting various components like the expansion tank and radiator. With a length of approximately 1.09 meters, it is designed for precise routing. Using a genuine OEM coolant hose ensures correct fluid resistance, pressure handling, and exact routing geometry for leak-free and reliable performance.