AlphaRex 07-13 GMC Sierra LUXX-Series LED Tail Lights Alpha-BlackCompatibility 07 13 GMC Sierra 1500 07 14 GMC Sierra 2500HD 07 14 GMC Sierra 3500HD * Does not fit 07 Sierra Classic models and Sierra 3500HD Dually models Design Introducing our 3rd gen GMC Sierra LUXX Series LED tail lights, designed to enhance both style and functionality. These 3rd gen GMC Sierra LUXX Series LED tail lights feature three pairs of switchable LED tubes, with red LEDs serving as parking lights, brake lights, and sequential turn