VEHICLE COMPATIBILITY - Headlights assembly compatible with 1999-2002 Chevy Silverado 1500 / 2500; 2001-2002 Chevy Silverado 1500HD / 2500HD / 3500; 2000-2006 Chevy Suburban 1500 / 2500; 2000-2006 Chevy Tahoe; High beam bulb type: HB3/9005, Low beam bulb type:HB4/9006. Bulbs are not included,VALUE & DURABILITY - AUTOSAVER88's strict quality measures ensure products' reliability. Strict testing throughout production ensures our headlights perform well enough in any conditions,SEALED DESIGN - Waterproof construction ensures that our headlights are completely sealed to prevent outside moisture and work well in any bad weather, such as rain, snow, sand, etc,SAFE & DURABLE - Micro-prism reflector alerts oncoming cars to notice you at night and the chrome-plated finish inside headlights greatly increases the reflectivity of light to make illumination brighter and ultra-wide lighting angle. One-way vents help drive away the accumulated moisture to keep headlights in good condition for longer lifespan,DIRECT OEM FIT - Pair of headlights with both left (driver side) & right (passenger side); identical to OE housings, which ensures no gaps after installation. Professional installation would be highly recommended