This is a genuine TOYOTA radiator reservoir tank assembly, part number 164700P130, specifically designed for US market vehicles. This essential component plays a crucial role in your vehicle's cooling system. It acts as a overflow reservoir for the coolant, allowing it to expand when heated and contract when cooled without losing fluid. This helps maintain the correct coolant level and prevents air from entering the system, which can lead to overheating and damage. Replacing a cracked or leaking reservoir tank is vital for the health of your engine. A faulty tank can lead to coolant loss, decreased cooling efficiency, and potentially costly engine repairs. Ensure your cooling system operates at its optimal performance with this direct-fit, OEM replacement part from TOYOTA.
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