GMC Sierra (Not fit 3500 Dually 4 Rear Wheels) LED Tail Lights Smoke Lens With Chrome Housing+Free Gift Key Chain Spinning Turbo Bearing 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) Key Chain Spinning Turbo Bearing is a gift item and are not eligible to be returned for a refund. 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. Smoked lens lights obstruct light output | Offroad use only | Clear lens recommended for daily use