Genuine OEM Audi Engine Coolant Pipe, part number 4K0121485M. This rigid pipe is a vital component of the engine cooling system, responsible for carrying coolant between various components to regulate engine temperature. It is positioned near the radiator and oil cooler. Weighing approximately 0.11 kg and measuring 0.36 meters in length, this pipe is engineered for durability. Opting for a genuine OEM coolant pipe ensures precise fitment, resistance to corrosion and temperature fluctuations, and reliable, leak-free operation, which is crucial for engine longevity.