1. 55111840AE, The A/C Heater Climate Control Module has been tested to achieve the optimum operation. If your AC system is acting up, outside air and inside air doors flap intermittently even when the AC is off or simply stops responding to your specific temperature settings or the behavior of the air seems inconsistent then you may have a problem with your AC Heater Climate Control Panel. 2.Compatible with Jeep Models Compatible with Jeep Vehicles: 2007 Jeep Wrangler Climate Control Module, 2008 Jeep Wrangler Climate Control Module, 2009 Jeep Wrangler Climate Control Module, 2010 Jeep Wrangler Climate Control Module. 3.Replacement AC Control Panel The AC Climate Control Module allows the driver to control the HVAC heating, Ventilation, Air Conditioning System by adjusting the Control Knob Switches for the desired airflow, speed and temperature of the air inside the vehicle. A variety of wind adjustment functions to meet various needs, the internal circulation function can reduce the external pollutants entering the car and improve the efficiency of the air conditioning. 4.Reliability and Durability This Climate Control Module made of premium ABS material, sturdy and waterproof, durable to use, wearresistant and antistrike, not easy to age, smooth surface and comfortable to touch, with long life and excellent performance. Direct replacement the worn HVAC Switch, done in several minutes.