Genuine OEM Audi Engine Coolant Pipe, part number 03G121065AC. This intricately molded plastic pipe is a vital component of the engine cooling system, responsible for routing coolant between various engine components. It ensures efficient heat transfer and maintains optimal engine operating temperatures. Weighing 0.2325 kg, this pipe is constructed from high-grade, heat-resistant plastic to withstand the demanding conditions of the engine bay. Using a genuine OEM coolant pipe guarantees precise routing, correct material composition, and leak-free connections, which are crucial for preventing coolant loss and engine overheating.