Genuine OEM Audi Engine Coolant Pipe, part number 057121661K. This pipe is essential for transporting coolant throughout the engine cooling system, maintaining optimal operating temperatures. It is positioned within the engine bay, connecting various cooling components. Weighing approximately 0.12 kg and measuring 0.345 meters in length, this pipe is designed for specific routing. Choosing a genuine OEM coolant pipe ensures correct routing geometry, material resistance to heat and pressure, and a leak-free connection for reliable engine cooling.