COMPATIBILITY: This headlight fits: 2003-2006 Chevy Silverado 1500/1500 HD / 2500 HD / 3500; 2003-2004 Chevy Silverado 2500; 2007 Chevy Silverado 1500/1500 HD/2500 HD/3500 Classic; 2003-2006 Chevy Avalanche 1500/2500 Pickup (Without Body Cladding); High beam bulb type: HB3/9005, Low beam bulb type:HB4/9006. Bulbs are not included. | 200% BRIGHTER & WIDER LIGHTING: Adopts special meticulous chrome plating to increase the brightness by 200% and offer 150° ultra-wide angle for better visibility in any dusky conditions to make your drive safer. | DUAL-APPROVED & IP68 WATERPROOF: Upon DOT & SAE certification, our reliable headlamp assembly kit meets US safety & quality standard of auto parts to ensure you and all other drivers are kept safe on the road; And IP68 waterproof rating & fully sealed structure effectively prevent moisture from leaking inside for a long service life. | HIGH-GRADE HOUSING MATERIAL: Superior clear PC lens features good transmission, high toughness and excellent UV resistance to prevent yellowing, cracking; and upgraded PA66 housing is more shock and heat resistant than other ABS plastics to ensure high durability of the structure. | PLUG-N-PLAY: Direct Fitment just like the OEM one, No extra gaps after installation, perfect fit your vehicle. Installation instruction included, No complex wiring or modification required.