Taillight Fitment: The tail lights compatible with 2007-2013 GMC Sierra 1500; Compatible with 2007-2014 GMC Sierra 2500HD 3500HD; Not Compatible on 2007 Sierra Classic Models; Not Compatible on 3500 HD Dually Models; Replacement for GM2800208 GM2801208 25958484 25958485 Rear Lamp Detail: Plastic material, sturdy and durable, can be used for a long time even in rainy days, will not be deformed, and can withstand impacts; Clear lens+black housing can enhance the vehicle's fashion and owner's aesthetics, durable and handsome Tail Light: this tail light installation, when the brakes can emit glowing red light, eye-catching, can be easily seen by the car behind. Keep a reasonable driving distance, reduce tailgating Package: Includes a pair of taillights (w/bulbs) and installation instruction, but no mounting accessories Installation: Use screws to install, you can follow the mounting instruction in the package, no need to ask for other's help, easy and convenient