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 - 84288724, GM2800281C. Durable Materials - Made of high-quality ABS and PMMA materials, which has better wear resistance and aging resistance.Durable and not easily damaged. 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. High Brightness - Enhance rear visibility and appearance, making your vehicle more easily visible to other drivers and passengers to ensure driving safety. Left Tail Lights Compatible with GMC Sierra 1500 2016-2018/ GMC Sierra 1500 Limited 2019/ GMC Sierra 2500 3500 HD 2016-2019 84288724, GM2800281C, Red Lens Halogen