Genuine OEM Audi Engine Water Cooling Pipe, part number 04L121064E. This multi-branch pipe assembly is designed to circulate coolant throughout the engine cooling system, ensuring optimal engine operating temperature. It plays a vital role in preventing engine overheating and maintaining performance. Constructed from durable, heat-resistant plastic and rubber, this assembly weighs approximately 0.552 kg. Choosing a genuine OEM water pipe ensures precise routing, leak-free connections, and resistance to engine heat and coolant chemicals for long-term reliability.