[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, corrosion, 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. 't forget to recalibrate you HVAC system after installation. & Meet the quality standards, 100% tested before shipment.Made of plastic, anti-corrosion, wear-resistant, non-deformation.Manufacturer Part Number: 604-213, -1743, 1L2Z19E616BA, 2L2H19E616AAFitment for: for 2002-2006 Expedition From 2002.03.18for 2007-2017 Expedition 119.0 Inch Wheelbasefor 2002-2003 Explorer 4 Doorfor 2004-2010 Explorerfor 2003-2005 for 2002 Navigatorfor 2002-2007 Navigator From 2002.03.18 To 2006.12.06for 2002-2010 Mercury MountaineerMaterial: ABScolour: blackPackage Contents: 1 x Heater Blend Door Actuator