Improving Cooling System Efficiency: The coolant storage tank cap can effectively prevent coolant leakage and ensure the normal operation of the cooling system. Optimized design can improve the response speed and efficiency of the cooling system, ensure that the engine is always at its optimal operating temperature, and enhance the overall performance of the vehicle
Good Sealing Performance: Provides reliable sealing effect to prevent coolant leakage from the lid, while also preventing external liquids and dust from entering the cooling system, protecting internal components from damage
Accurate Adaptation: Fit for Toyota Sienna LE SE STD XLE|4 Cyl 2.7L 6 Cyl 3.5L 2011-2020, fit for Lexus RX350 STD|6 Cyl 3.5L 2010-2015, fit for Lexus RX450h STD|6 Cyl 3.5L 2010-2015. Replace 16405-31070 16405-0P040
Durable and Reliable: The coolant reservoir cover is made of high-quality plastic and rubber materials, with excellent heat resistance, aging resistance and corrosion resistance. Even in extreme temperatures and harsh environments, it can maintain stable performance, extend usage time, and reduce maintenance frequency
Easy to Install: Install directly without modification, simple and convenient, saving time. Ensure seamless compatibility with the vehicle's cooling system, easy and fast installation, restore original performance and reliability