Application: this LED lamp assembly is to replace or upgrade your brake/cargo lamp, with 12pcs high quality LED chips, it will provide better lighting performance than old bulbs. The lamp will come with a gasket seal, which can prevent water leaking into the car. Fitment: This 3rd Brake & Cargo light will compatible with 2007 2008 2009 2010 2011 2012 2013 Chevy Silverado/GMC Sierra 1500 2500HD 3500HD (NOTE: For vehicles in 2007, it will only fit for New Body Style models) Features: Red Lens, 12 LED, IP65 Waterproof rating, Gasket included Easy plug & play installation: The original lamp might have multiple plugs, but for this lamp, there is only 1 plug, the extra ones of the factory sockets will be left empty. Please keep the old screws for installation. [Customer Service] -2-Year-Warranty. Please feel free to contact our customer service team for any concerns or problems Fitment: 3rd brake light replacement for: 2008 2009 2010 2011 2012 2013 Chevrolet Silverado 1500 High Mount 3rd Brake/Cargo Light 2007 Chevrolet Silverado 1500 New Body Style High Mount 3rd Brake/Cargo Light 2008 2009 2010 2011 2012 2013 2014 Chevrolet Silverado 2500 HD 2500HD 08 09 10 11 12 13 14 High Mount 3rd Brake/Cargo Light 2007 Chevrolet Silverado 2500 HD New Body Style High Mount 3rd Brake/Cargo Light 2008 2009 2010 2011 2012 2013 2014 Chevrolet Silverado 3500 HD High Mount 3rd Brake/Cargo Light 2007 Chevrolet Silverado 3500 HD New Body Style High Mount 3rd Brake/Cargo Light 2008-13 GMC Sierra 1500 High Mount 3rd Brake/Cargo Light 2007 GMC Sierra 1500 New Body Style High Mount 3rd Brake/Cargo Light 2008-14 GMC Sierra 2500 HD High Mount 3rd Brake/Cargo Light 2007 GMC Sierra 2500 HD New Body Style High Mount 3rd Brake/Cargo Light 2008 2009 2010 2011 2012 2013 2014 GMC Sierra 3500 HD 3500HD High Mount 3rd Brake/Cargo Light 2007 GMC Sierra 3500 HD New Body Style High Mount 3rd Brake/Cargo Light Specification: IP65 Waterproof Design: come with gasket Bright LED: 12pcs super bright LED chips Housing + Lens Material: Plastic Housing Length: 15.73 inch High Quality: DOT approved Quick Installation - Plug and Play Package Includes: 1 x High Mount 3rd Brake & Cargo Light Assembly How to install: 1. There might be multiple sockets in the truck where the light is installed. 2. You will only use 1 brake light socket when installing. 3. The other extra ones are useless, just leave it empty. 4. Red for brake light, white for cargo light. Have someone press the brake so you know which is which and swap the sockets to the right plug on the light itself.