Vehicle Fitment: Compatible with GMC Sierra 1500 1999-2007; Compatible with GMC Sierra 1500HD 2001-2007; Compatible with GMC Sierra 2500 1999-2004; Compatible with GMC Sierra 2500HD 2001-2007 ; Compatible with GMC Sierra 3500 2001-2007; Compatible with GMC Yukon 1999-2006; Compatible with GMC Yukon XL 1500/Yukon XL 2500 2000-2006; Compatible with GMC Sierra C3 2001; NOT Compatible with Denali Trims; For 2007,Compatible with Classic Models ONLY OE Standard: High Quality Headlight made by OEM approved manufacturers with materials that meet strict OEM requirements. Interchange Part Number: 15166756,15166757,125104011,125103011 Outstanding Material: The Premium PC lens of the headlight withstands high temperatures without yellowing and survives impacts from road debris, rocks, or vibrations without cracking, ensuring long-term clarity and durability. The PP housing prevents rust and corrosion for reliable performance, while the sealed plastic housing blocks water, dust, and mud Higher Visibility & Brighter Lighting: Higher luminous efficiency and lower power consumption can release more luminous flux. It provides better field of view and visibility compared to other headlights, with longer and wider lighting distances Sealed Waterproof 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 ANDPLAY LED DRL Headlights Assembly Left & Right Fit GMC Sierra 1500 1999 2000 2001 2002 2003 2004 2005 2006 2007/1500HD 2500HD 2001 2002 2003 2004 2005 2006 2007 Fit GMC Sierra 2500 1999 2000 2001 2002 2003 2004/GMC Yukon 1999-2006 Clear lens Black Housing Amber Reflector