🚗【FITMENT】Headlights Assembly Compatible with 2014-2018 GMC Sierra 1500 Base / Denali / SLE / SLT; 2015-2019 GMC Sierra 2500HD Base / Denali / SLE / SLT; 2015-2019 GMC Sierra 3500HD Base / Denali / SLE / SLT / Chassis models only. Does Not Fit Models with LED DRL Headlights and 2014 Old Body Style Models. High / Low beam bulb type: H7 (INCLUDED); Signal Light: WY21/5W (NOT INCLUDED). OEM Part Number#: 23130718, 23130717; Partslink Number#: GM2503394, GM2502394. 🚙【WATERPROOF】Fully sealed with solid silicone and designed with one-way vents to keep moisture from trapping inside the case, no need to worry about corrosion or moisture in all weather conditions 🛠【IMPACT-RESISTANT & TOUGH】Constructed with durable polycarbonate lenses that provide excellent protection from road debris abuse and the impact of branches on the trail, the high-impact shell also better withstands the shock and vibration of off-road adventures 💡【BRIGHTER LIGHTING & SAFETY REFLECTOR】Metal parabolic reflectors provide more light output for wider, smoother beams. Side microprism reflectors let oncoming vehicles or passersby quickly notice you at night, keeping you and others safe while driving 🚦【DIRECT REPLACEMENT】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. Comes in pairs with both Driver (Left) & Passenger (Right) side SOCKIR NON LED DRL for 2014-2018 GMC Sierra 1500 2500HD 3500HD Halogen Headlight Assembly Base / Denali / SLE / SLT Projector OE Style Replacement Pair Bulbs Included