【Replace Part Number】:The coolant overflow reservoir cap replace #: 16405-0P040, 16405-31070.
【Fitment】:Compatible with Toyota Sienna LE, SE, STD, XLE|4 Cyl 2.7L, 6 Cyl 3.5L 2011-2020, Lexus RX350 STD|6 Cyl 3.5L 2010-2015, Lexus RX450h STD|6 Cyl 3.5L 2010-2015.
【Superior Materials】: Our coolant overflow reservoir cover is crafted from high-grade PA6 plastic and EPDM rubber, delivering exceptional heat resistance, corrosion resistance, and long-term durability. Engineered to withstand extreme conditions, it resists aging and deformation, ensuring a secure seal that prevents coolant leakage. This enhances the stability and reliability of your vehicle's cooling system for optimal performance.
【Prevent Coolant Leakage】:The advanced sealing design of the coolant overflow tank lid effectively prevents leaks, reducing waste and protecting engine compartment components from corrosion. By blocking external air from entering the cooling system, ensuring optimal cooling, antifreeze, and anti-corrosion performance. This helps maintain the engine within the ideal temperature range, enhancing overall efficiency, reliability, and durability while minimizing overheating-related failures.
【Effortless Installation】: Installing the coolant overflow tank cap is a breeze—no intricate procedures or specialized skills required. All you need to do is remove the defective cap and replace it with the new one. This straightforward process significantly cuts down both installation time and costs. Notice: Prior to commencing the replacement, ensure the engine has cooled down entirely. High - temperature, high - pressure coolant poses a severe risk of scalding to the installer.