Fitment - Compatible with 2015-2018 Chevy Silverado 1500 all Cab Models.Compatible with 2015-2019 Chevy Silverado 2500 3500 all Cab Models Compatible with 2019-2021 Chevy Silverado 1500 regular cab ONLY Compatible with 2020-2021 Chevy Silverado 2500 3500 regular cab ONLY Durable Materials - Made of high-quality Polycarbonate & ABS & PC alloy material, Which is resistant to impact, high temperature, corrosion, and deformation. It can effectively protect the original car parts. Clear Visibility - Rear high-mounted brake light not only provides a cool look and excellent illumination, but It also improves safety and high recognition. The brake light comes on faster to avoid tailgating accidents. 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. Features - The Brake light offers enhanced visibility, waterproof and dust-proof. Not only durable but can withstand extreme weather conditions to ensure safely driving. Rear High Mount 3rd Third Brake light Compatible With Chevy Silverado 2015-2021/Compatible With GMC Sierra 1500 2500 3500 2015-2021 23509162 84900397 Red