GMC Sierra 07-13 (Not fit 3500 Dually 4 Rear Wheels) LED Tail Lights - Black Smoke This item will only fit GMC Sierra 07-13 ( Not fit 3500 Dually 4 Rear Wheels ) LED Tail Lights - Black Smoke Item sold in pair: left and right. Some of the package includes light bulbs, for package which does not come with any light bulbs, you can apply the stock light bulbs for installation. Installation instruction are not included, Highly recommend all light to be reseal with silicon to reasure any future leak. Please verify fitment before purchasing this product, may not fit models or body styles not explicitly listed. Smoked lens lights obstruct light output | Offroad use only | Clear lens recommended for daily use