Fitment: Compatible with GMC Sierra 1500 2014-2018.Compatible with GMC Sierra 2500 HD 2015-2019.Compatible with GMC Siera 3500 HD 2015-2019 (2-Door Regular Cab，4-Door Extended Cab， 4-Door Crew Cab).Not Compatible with 3500 HD Dually Models.Not Compatible with 2014 Old Body Style Models.Not Compatible with Models w/ Factory LED Tail Lights. Interchange Part Number: 84288725, GM2801281C, 84288724, GM2800281C Durable Materials: Made of high-quality PMMA & ABS material,Which is resistant to impact, high temperature, corrosion, and deformation, wateroof. Advanced lenses provide better visibility and more focused beams, making them a brighter alternative to old, dim or yellow headlamps. Maintaining your vehicle's tail lights is crucial to your safety on the road and the safety of others, especially in bad weather or at night. DOT/SAE Approval: This product undergoes strict quality control. waterproof dust-proof anti-aging anti-yellowing. Not only durable but can withstand extreme weather conditions. Smoke Lens Pair Tail Lights Lamp w/o Bulbs Fit GMC Sierra 1500 2014-2018/Fit GMC Sierra 2500 HD 2015-2019/Fit GMC Siera 3500 HD 2015-2019