【Perfect OE Fitment】OEM#84144047, 84144048.Partslink#GM2502390, GM2503390C.Headlights assembly 100% perfect fitment for OE type 2014-2018 Sierra 1500 Base Denali SLE SLT; 2015-2019 Sierra 2500 HD 3500 HD Base Denali SLE SLT; 2019 Sierra 1500 Limited Base SLE; 2015 Silverado 2500 HD 3500 HD High Country LT LTZ WT; Low/High Beam: HIR2(bulbs included), Turn Signal Light:WY21/5W(bulbs not included); As an ISO-certified manufacturer, we only provide top quality products with DOT and SAE certifications. 【Super Bright】All Headlight Lenses come with high transmittance PC lens with UV coating; excellent durability and ultra-clear vision; high reflection rate and a BMC reflector that withstands 570 Fahrenheit giving you 20% more brightness than other common materials. 【IP65 Waterproof Standard】Top IP65-certified waterproof material with a structure that effectively prevents moisture; works perfectly during rainy, snowy, windy, freezing weather. 【Simple Installation】The headlight assembly is designed direct replacement for stock assemblies with Plug-n-Play style; no drilling is required. 【Quality Service】We provide a three-year warranty. If you encounter any questions, please use the "Ask a question" button. We will provide professional and responsible solutions. ROADEAL Headlights W/Bulbs for 2014-2018 GMC Sierra 1500/2015-2019 GMC Sierra 2500HD 3500HD Halogen Headlamp Replacement Driver & Passenger Side gmc sierra headlights gmc sierra headlights 2015 gmc sierra headlights 2014 gmc sierra 1500 headlights 2015 gmc sierra 1500 headlights 2015 gmc sierra headlights gmc sierra headlights 2015 gmc sierra headlights gmc sierra headlights gmc sierra headlights 2015 gmc sierra headlights Chevrolet 2015 Silverado 2500 HD (submodel: High Country, LT, LTZ, WT) 2015 Silverado 3500 HD (submodel: High Country, LT, LTZ, WT) GMC 2014-2018 Sierra 1500 (submodel: Base, Denali, SLE, SLT) 2019 Sierra 1500 Limited (submodel: Base, SLE) 2015-2019 Sierra 2500 HD (submodel: Base, Denali, SLE, SLT) 2015-2019 Sierra 3500 HD (submodel: Base, Denali, SLE, SLT)