The OEM 89341-78010 sensor is a direct replacement part designed specifically for use in the 2016-2017 Toyota CT200h ES300h ES350 GS350 GS450h models. This metal rear sensor unit is a crucial component of the car's electronic control system, ensuring precise and accurate operation of various features such as the power steering system, door lock operation, and other electrical functions. By replacing the 89341-78010 sensor, you can ensure seamless performance and longevity of your Toyota vehicle, reducing the risk of potential malfunctions or failures that could lead to costly repairs or reduced functionality.