💡【VEHICLE COMPATIBILITY】Headlights Assembly Compatible with 99-07 GMC Sierra 1500, 01-07 GMC Sierra 1500HD 2500HD 3500HD, 99-04 GMC Sierra 2500, 99-06 GMC Yukon, 00-06 GMC Yukon XL 1500 2500, 01 Sierra C3. Does NOT Fit All Denali Trims. For 2007, Fits Classic Models ONLY. Bulbs are NOT included. High beam bulb type: 9005; Low beam bulb type: 9006; Turn Signal Light: 3157A. OEM Part Number: 16526133, 16526134, 16524403, 16524404. Partslink Number: GM2502187, GM2503187, GM2502187C, GM2503187C. 💡【PREMIUM HOUSING MATERIALS】 This headlamp is sturdy constructed with a fully sealed heavy duty housing made of high quality OEM grade polycarbonate plastic, waterproof up to IP65, ensuring excellent weather and impact resistance. Well built to provide bright lighting. New lenses and reflectors provide better lighting and ensure a pleasant and comfortable driving experience 💡【SAFETY & DURABILITY】Made of good materials that meet or exceed OEM requirements. Micro-prism reflectors and chrome finishes within the headlights increase the light's reflectivity, making it easier for oncoming vehicles to notice you at night. Give you a safer comfortable driving experience. Stable characteristics and high reliability 💡【EASY INSTALLATION】Plug-n-play installation. Direct Bolt-On OE Fitment or Replacement for the Stock Unit; Requires No Modification or Drilling. Installation instruction is not included. JSBOYAT 4 PCS Fits for 99-06 GMC Sierra 1500 2500 3500 Headlight Assembly Replacement, 00-06 GMC Yukon/Yukon XL Front Lamp with Bumper Light NOT Fit Denali Model