Carpart4u GMC Sierra 1500/2500/3500HD Denali (Not fit 3500 Dually 4 Rear Wheels) LED Chrome Tail Lights & LED Day Time Running Light Package This item will only fit GMC Sierra 07-13 Not fit 3500 Dually 4 Rear Wheels ( Will not fit any models that come with OEM LED Tail light from Factory) The 12V Universial LED day time running light has Chrome housing and clear lens, running 6000k white light; Dimension of the LED bumper light is 6.25 inch by 11/16 inch Depends on application, original running light, brake light, turn signal and reverse bulbs are required. Original Screw and harness is require. It is strongly recommended that all lighting is to be resealed prior to installation to prevent future condinsation. Installation instruction is not included