Genuine OEM Audi Engine Coolant Pipe With Hose, part number 05L122157CE. This part is responsible for transporting coolant between different components of the engine's cooling system, facilitating heat dissipation. It is integrated into the engine cooling circuit, often near the turbo or EGR system. Weighing 0.169 kg, this pipe and hose assembly is designed to withstand high temperatures and pressures. Choosing a genuine OEM coolant pipe ensures the exact dimensions, material composition, and connection points for a leak-free and efficient cooling system.