1、Applicable Models: Engine coolant thermostat is replacement for LAND CRUISER 2008 to 2020, replacement for TUNDRA 2007 to 2020 and replacement for GS460 2008 to 2011. Please confirm whether your model is applicable before buying. 2、OE Number: The part numbers of reference are 16031 38010, 1603138010 S, 1603138010,16031 0S010, please confirm whether it is consistent with the OE you need. 3、Easy Installation: The thermostat with housing allows the thermostat to be mounted more securely in the car, reducing bumps and friction, thus making it easier to install and maintain. 4、Improve Engine Efficiency: The engine thermostat improves temperature regulation and control, keeping the engine at an optimal temperature and helping it run more efficiently. 5、Long Lasting and Stable: Thermostat housing assembly is made of metal and plastic which is anti aging and heat resistance, sturdy, high hardness and high strength, for long time use.