Vehicle Suitability - Compatible with Chevy Silverado & GMC Sierra 1999-2006/Fit Silverado & Sierra Classic 2007, Not Compatible w/1999 Old Body Style & 2007 New Body Style. Clear Visibility - rear high-mounted brake light not only provides a cool look and excellent illumination, but It also improves high recognition. Material - This 3rd Brake Light is made of PMMA and ABS materials preventing water snow or heavy rain leaking in. The PP lenses is UV resistant and shockproof,will not easily turn yellow or crack. Installation - Professional installation is highly recommended. Designed to match the original trim on the specified vehicle in fit, function and appearance. What You Will Get - 1 x 3rd Third Brake Light. 3rd Third Brake Light Compatible with Chevy Silverado & GMC Sierra 1999-2006/Fit Silverado & Sierra Classic 2007 High Mount Stop light Tercera luz de freno