Fitment：Compatible with Chevy Silverado 1500 2500 3500 & HD Models 1999-2006; Fit Chevy Silverado 1500 2500 3500 & HD Models Classic 2007; Fit GMC Sierra 1500 2500 3500 & HD Models 1999-2006; Fit GMC Sierra 1500 2500 3500 & HD Models Classic 2007. Excellent Lens: The Lens of the brake light is made of excellent materials, the structure is sturdy and durable, and the color will not fade after a long time of use. Waterproof: 3rd Brake Light cover is padded with high-density foam back and is perfectly sealed around, preventing water, mud and snow leaking in. OE Standard:Meets the Original Equipment (OE) standards.Interchange Part Number:16525205, 5978318. Installation: The 3rd brake light cargo lamp is no more drilling needed. Pay attention to the position alignment when installing brake Light, correctly link the wiring harness, professional installation is strongly recommended. LED Bar 3rd Third Brake Light, Compatible with Chevy Silverado/Sierra 1999-2007, High Mount Rear Stop Light Cargo Lamp, Clear Lens Black Housing