Product: Chevy Silverado 1500 2500HD 03-06 /3500 04-06 (Not Fit Stepside) and 2007 Silverado Classic LED Tail Lights - Black SKU | UPC: 9037634 | 887769037634 Package Weight & Size:  WT:7.3    L:18    W:14    H:8 Adding LED bulbs will void warranty