This is a genuine TOYOTA Reserve Tank Assembly, part number 1647011110. Designed to meet the exact specifications of your TOYOTA vehicle, this assembly plays a crucial role in the cooling system. It functions as an overflow reservoir for your engine's coolant. When the coolant heats up and expands, the excess fluid is safely stored in this tank. As the engine cools down, the system draws coolant back from the reserve tank, maintaining the correct level and preventing air from entering. Proper functioning of the reserve tank is essential for preventing your engine from overheating, which can lead to costly damage. This OEM part ensures a perfect fit and reliable performance, just like the original component. Replace your old or damaged reserve tank with this high-quality TOYOTA part to maintain the integrity of your cooling system and ensure your vehicle runs at its optimal temperature.
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