Genuine OEM Audi Engine Coolant Pipe, part number 4H0265235H. This essential component is part of the engine cooling system, responsible for transporting coolant throughout the engine to maintain optimal operating temperature. It is a rigid pipe assembly that connects various hoses within the cooling circuit. Weighing approximately 0.308 kg, this pipe is constructed from durable, heat-resistant materials. Choosing a genuine OEM coolant pipe ensures precise fitment, leak-free connections, and resistance to thermal stress and corrosion, which are critical for the long-term reliability and efficiency of the engine's cooling system.