Genuine OEM Ford Radiator Overflow Expansion Tank, part number 1349989. This component serves as a reservoir for excess coolant, accommodating the expansion and contraction of the fluid as the engine temperature fluctuates. It plays a vital role in maintaining the correct coolant level and preventing the cooling system from overheating. The weight of this part is 0.46 kg. As a genuine OEM part, it is manufactured to withstand the specific temperature and pressure conditions within the cooling system, ensuring reliable operation and preventing leaks.