Reserve Tank Cap Sub-Assembly

About this product

The Reserve Tank Cap Sub-Assembly (#16405-0P030), an Engine-Fuel part in the Radiator & Water Outlet system, plays a primary role in maintaining the optimal pressure within the cooling system of your Toyota. This cap is specifically designed to allow excess coolant to escape into the reservoir, thus protecting the engine from overheating. It also prevents air from entering the system, which could disrupt the coolant flow. Periodic replacement of this part is crucial as an old, clogged, or broken cap could result in coolant leakage or over-pressurization, leading to engine damage. Genuine Toyota parts like the Reserve Tank Cap Sub-Assembly (#16405-0P030) not only ensure compatibility with your vehicle but are also backed by Toyota's genuine parts warranty. Ultimately, this part contributes significantly to the efficiency and safety of your vehicle by ensuring the smooth operation of the cooling system.
Brand Toyota Genuine
Part Number 16405-0P030

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