Direct OEM Fitment: Headlight Assembly Replacement for 2003-2006 Chevrolet Silverado 1500 /2500 / 3500 Headlights. High/Low Beam: HB3/HB4, Turn signal Light: 3457A (Bulbs not included) IP65 Excellent Waterproofing: IP65 certified fully sealed structure with premium PC lens and PP housing with tensile/impact strengths for rainy days, snowy days, and bumpy mountain roads Superior Brightness: High-definition visual quality with high/low beam reflector bowl made of BMC and 98% reflection rate ensures excellent light output Plug-n-Play Installation: Bolt-on design for easy plug-n-play installation with no need to modify the vehicle, installation process takes 15 minutes or less One Year Warranty: One year long warranty coverage provided for quality assurance and customer support High Temperature Resistant Materials: Constructed using high temperature resistant PC material that can withstand temperatures above 200 degrees Fahrenheit for enhanced durability Impact and Heat Resistant Design: Features waterproof and dustproof construction with impact resistance and heat resistance for extended service life and reliable performance Plug and play, simple assembly, no tools and punching are needed. Using high temperature resistant PC material, it can withstand high temperatures above 200 degrees. It is waterproof and dustproof, has impact resistance, heat resistance and durability, and has a longer service life. A good headlight is vital to your driving safety, so hurry up and choose us.