Genuine OEM Audi Engine Coolant Pipe, part number 4N0121481F. This essential component is responsible for transporting coolant throughout the engine cooling system, maintaining proper operating temperatures and preventing overheating. It is integrated within the complex network of hoses and pipes that circulate coolant. Weighing approximately 0.092 kg and measuring 0.33 meters in length, this pipe is designed for precise routing and connection. Using a genuine OEM coolant pipe ensures correct material composition, pressure resistance, and exact fitment, preventing leaks and maintaining the integrity of the cooling system.