This is a genuine TOYOTA Radiator Reservoir Tank Assembly, part number 1647015020. Designed to meet the exact specifications of your TOYOTA vehicle, this assembly plays a crucial role in maintaining your cooling system's integrity. It functions as an overflow reservoir, collecting excess coolant that expands due to engine heat. This prevents coolant loss and helps maintain the optimal operating temperature of your engine. The tank also helps to keep air out of the cooling system, which can lead to overheating and corrosion. Replacing a damaged or leaking reservoir tank is essential for preventing potential engine damage. Ensure your cooling system is functioning correctly with this direct-fit, OEM replacement part.
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