Genuine OEM Audi Engine Coolant Pipe, part number 04E121497N. This pipe is specifically designed to transport coolant between various cooling components, including the oil cooler, ensuring efficient heat exchange and maintaining optimal engine operating temperatures. It is a rigid, branched component within the engine cooling system. Weighing approximately 0.289 kg and measuring 0.455 m in length, it is engineered for precise fitment and durability. Choosing a genuine OEM coolant pipe guarantees correct routing geometry, material integrity, and resistance to the demanding conditions of the engine bay, preventing leaks and ensuring reliable cooling.