Genuine OEM Volkswagen Coolant Pipe, part number 03N121065H. This pipe is responsible for transporting coolant between various components of the engine cooling system, ensuring efficient heat dissipation and maintaining optimal engine operating temperatures. It is located within the engine cooling circuit. This pipe weighs 0.249 kg. Using a genuine OEM coolant pipe ensures the correct material composition, precise routing geometry, and durable connections, which are critical for preventing leaks and maintaining cooling system integrity under varying temperatures and pressures.