Genuine OEM Audi Coolant Pipe With Hose, part number 04L122157BT. This assembly is vital for directing coolant flow and connecting various components within the engine cooling system, ensuring efficient heat dissipation. It is positioned on the upper left side of the cooling system assembly. Measuring 0.25m in length, 0.21m in width, and 0.07m in height, and weighing 0.2272 kg, this genuine OEM part guarantees precise routing, material compatibility, and secure connections, preventing leaks and maintaining system pressure for optimal cooling performance.