The OEM **55900‑28B71** for a **2006–2014 Toyota Estima Mk3** is the **front heater and air‑conditioning (A/C) control unit**, the dashboard‑mounted climate control panel that lets the driver and front passenger adjust the temperature, fan speed, airflow mode, and air‑conditioning functions; it is the genuine Toyota climate control assembly designed to fit Estima Mk3 models and is typically replaced as a used OEM component when the original unit fails.

Please message me if you have any questions.