Top Half Mirror Cover Textured Black Compatible with Chevy Silverado 1500/ GMC Sierra 1500 2019-2024 Accessories Parts Replaces 84732427 84732426 Left Right 1 Pair. COMPATIBLE WITH: Mirror cap covers compatible with Chevy Silverado 1500 2500 3500 2019 2020 2021 2022 2023 2024/ GMC Sierra 1500 2500 3500 19 20 21 22 23 24.