Description: Please note the Number: 7L1Z3C247A Fits for Ford F150 2004 - 2015/Expedition 2003 - 2015, for Lincoln Navigator 2003-2014/Mark LT 2006-2008 Replacement 4X4 4WD Auto Locking Hub Axle Actuator - Located on the front wheel hubs (Right or Left) Sealed to prevent water intrusion and to withstand exposure to hard road and weather conditions. High Quality, Easy installation and Save prices Specification: Material: Metal Diameter: 125mm/4.92inch Place on Vehicle: Front Left(Driver) or Right (Passenger)Side Package Includes: 1 Piece 4WD Locking Hub Axle Actuator Note: Due to manual measurement, it may vary from 1 mm to 3 mm. The colors deviation might differ due to different monitor settings, please kindly understand