APPLICABILITY - Fit For GMC Sierra 1500 2014-2018.Fit For GMC Sierra 2500 HD 2015-2019.Fit For 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. SAE/DOT Approval: This product undergoes strict quality control. waterproof dust-proof anti-aging anti-yellowing. Not only durable but can withstand extreme weather conditions. Red Lens Pair Tail Lights Lamp w/o Bulbs Compatible with 2016-2018 GMC Sierra 1500/ 2019 Sierra 1500 Limited/ 2016-2019 Sierra 2500 HD 3500 HD GM2801281C GM2800281C