Genuine OEM Volkswagen Coolant Pipe, part number 04L121070AN. This rigid pipe is a critical component of the engine cooling system, responsible for circulating coolant throughout the engine to maintain optimal operating temperatures. Its branched design allows for precise routing and connection to various cooling system components. Using a genuine OEM coolant pipe ensures exact fitment, proper fluid flow, and resistance to temperature and pressure fluctuations, preventing leaks and maintaining cooling system integrity.