Genuine OEM Audi Coolant Pipe, part number 03G121151T. This pipe is a critical component of the engine cooling system, designed to transport coolant efficiently throughout the engine to maintain optimal operating temperatures. Weighing approximately 0.33 kg and measuring 0.47 meters in length, it is engineered for precise routing. Choosing a genuine OEM coolant pipe ensures correct material composition and resistance to temperature and pressure fluctuations, preventing leaks and maintaining cooling system integrity.