The AeroCab(TM) Pro Marker Light features a continuous LED light bar with sweeping motion rather than individual marker lights, housed within tough, Dura-Flex (R) 2000 TPO material. It's easy to install in minutes using 3M automotive adhesive or mechanical fasteners---no drilling required for standout style at the top of your windshield. Available in textured matte black finish. Backed by our three-year Warranty. AeroCab Pro Marker Light with continuous LED lights; Black 2019-2024 Chevrolet Silverado 1500 Custom, 2019-2024 Chevrolet Silverado 1500 High Country, 2019-2024 Chevrolet Silverado 1500 LT, 2019-2024 Chevrolet Silverado 1500 LTZ, 2023-2024 Chevrolet Silverado 1500 PPV, 2019-2024 Chevrolet Silverado 1500 RST, 2019-2021 Chevrolet Silverado 1500 SSV, 2019-2024 Chevrolet Silverado 1500 WT, 2019-2024 GMC Sierra 1500 AT4, 2022-2024 GMC Sierra 1500 AT4X, 2019-2021 GMC Sierra 1500 Base, 2019-2024 GMC Sierra 1500 Denali, 2022-2024 GMC Sierra 1500 Denali Ultimate, 2019-2024 GMC Sierra 1500 Elevation, 2022-2024 GMC Sierra 1500 Pro, 2019-2024 GMC Sierra 1500 SLE, 2019-2024 GMC Sierra 1500 SLT