Haitzu LED turn signal mirror lights are designed to provide a brighter, more visible turn signal for your vehicle. These lights are Compatible with The Following Models:2008-2016 Ford F250 F350 F450 F550 Super Duty, providing a sequential amber turn signal function. The smoked lens and switchback design give these lights a sleek and modern look that will enhance the appearance of your vehicle. These LED marker lights are easy to install, with no cutting or splicing required. Simply remove your original side mirror marker lights and replace them with these new LED lights.Duty Running light and Turn signal Aftermarket Replacement