The 2019-2022 Toyota Corolla AC heater climate temperature control unit with the part number 55900-02D50 is a black plastic control unit designed for left-hand drive vehicles. It features a screw-on mounting style and does not require any drilling or modifications for installation. This OEM part from Toyota is specifically designed for the Corolla model and comes with interchange part numbers 55900 02D50 and 5590002D50. With its precise fitment and reliable performance, this AC heater control unit is a perfect choice for maintaining the temperature control system in your vehicle.