Gevog Fit 99-06 Silverado/Sierra 07 Classic Red Lens LED 3rd Brake Light Tail Lamp 1999-2006 Chevy Silverado 1500/1500 HD/2500/2500 HD/3500 All Models;2007 Chevy Silverado 1500/1500 HD/2500 HD/3500 Classic Body Only 1999-2006 GMC Sierra 1500/1500 HD/2500/2500 HD/3500/C3/Denali All Models;2007 GMC Sierra 1500/1500 HD/2500 HD/3500/Denali Classic Body Only 1pc Aftermarket Red Lens LED 3rd Brake Light (Does Not Come With Installation Instruction; Professional Installation Is Highly Recommended) Made from high grade OE comparable materials to withstand rough road wear and the test of time Position:Rear Roof