APPLICABLE MODEL-Compatible with 99-07 GMC Sierra 1500/ 01-07 GMC Sierra 1500 HD/ 99-04 GMC Sierra 2500/ 01-07 GMC Sierra 2500 HD 3500/ 99-06 GMC Yukon/ 00-06 GMC Yukon XL 1500 2500/ 2001 GMC Sierra C3(Does NOT Fit Denali Trims. For 2007, Fits Classic Models ONLY). OE STANDARD: Meets the Original Equipment (OE) standards. Interchange part number: 15166756 15166757 125104011 125103011. DURABILITY: 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. BULB SPECIFICATIONS: Headlight High Beam: 9005 12V 65W; Headlight Low Beam: 9006 12V 55W; Front Turn Signal: 3157A 12V 27/7W; Headlight Running Light: W5W + LED 12V 1.8W. GRAND ORANGE Pair LED DRL Headlights W/ Bumper Signal Lamps, Compatible with 1999-2007 GMC Sierra 1500/1999-2006 GMC Yukon XL 1500 2500, Clear lens Black Housing Amber Reflector