Genuine OEM Audi Water Cooling Pipe, part number 059121064C. This essential component is part of the engine cooling system, responsible for transporting coolant between various engine components to regulate operating temperature. Its specific curved design ensures correct routing within the engine bay. Weighing approximately 0.1785 kg, this pipe is typically constructed from durable, heat-resistant plastic or metal, designed to withstand the pressures and temperatures of the cooling system. Choosing a genuine OEM water cooling pipe ensures precise fitment, leak-free connections, and material integrity, which are crucial for preventing coolant loss and maintaining engine health.