Genuine OEM Audi Engine Coolant Pipe, part number 4H0121481Q. This pipe is crucial for circulating coolant, maintaining optimal engine operating temperature. It is positioned in the front section of the engine cooling system. Weighing 0.096 kg and measuring 0.445 m in length, it is designed for precise fitment. Genuine OEM pipes ensure correct routing geometry and material integrity for leak-free and reliable coolant flow.