Product: ( xTune ) Chevy Silverado 1500 14-18 / Silverado 2500HD/3500HD 15-19 / 2015-2019 GMC SIERRA 3500 HD dually models only (bulb type only)(will not work with factory LED type) (Will not fit 2016 LTZ Z71 High Country Trims With Factory LED Tail Lights) Light SKU | UPC: 9040313 | 887769040313 Package Weight & Size:  WT:0    L:0    W:0    H:0 Adding LED bulbs will void warranty