Genuine OEM Volkswagen Engine Coolant Pipe, part number 03D121065B. This rigid plastic pipe is a crucial component of the engine cooling system, responsible for carrying coolant between various engine components. Its precise routing and durable construction ensure efficient heat transfer and prevent leaks, maintaining the engine's optimal operating temperature. The pipe is made from robust black plastic and weighs approximately 0.156 kg. Using a genuine OEM coolant pipe guarantees correct fitment, resistance to thermal cycling, and long-term integrity, preventing costly coolant leaks and engine overheating.