[FUNCTION]: Replacement Air Door Actuator controls the temperature of air from AC vents and recirculation/ outside air into the interior of the vehicle, and its circuit board can resist heat, , and vibration. resists failure, overheating, and burnout. [REPLACE PART]: 604-213, -1743, 1L2Z19E616BA, 2L2H19E616AA, is made to replace the models [EASY INSTALLATION]: Direct replacement for a proper fitment on driver and passenger, quick and easy to install. Don't forget to recalibrate you HVAC system after installation. Product description: & High Quality Meet the quality standards, 100% tested before shipment. Made of high quality plastic, anti-, wear-resistant, non-deformation. Manufacturer Part Number: 604-213, -1743, 1L2Z19E616BA, 2L2H19E616AA Fitment for: for 2002-2006 Expedition From 2002.03.18 for 2007-2017 Expedition 119.0 Inch Wheelbase for 2002-2003 Explorer 4 Door for 2004-2010 Explorer for 2003-2005 for 2002 Navigator for 2002-2007 Navigator From 2002.03.18 To 2006.12.06 for 2002-2010 Mercury Mountaineer Material: ABS colour: black Package Contents: 1 x Heater Blend Door Actuator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.