What it does. Motorad UltraStat Thermostat - 187 Degrees Motorad 88-5523-187 is part of the cooling system that carries engine heat away and holds the engine at operating temperature.

Fitment. Catalogued as fitting 2020–2026 Chevrolet Silverado 3500 Hd, 2021–2025 Chevrolet Silverado 2500 Hd, 2020–2025 Chevrolet Express 2500, 2022–2025 GMC Sierra 2500 Hd, 2020–2025 GMC Savana 3500, 2022–2025 Chevrolet Express 3500, 2021–2024 GMC Sierra 3500 Hd, 2019–2024 GMC Savana 2500, 2022–2024 Chevrolet Corvette, 2019–2023 GMC Sierra 1500, 2022–2023 Cadillac Escalade Esv, 2021–2023 Chevrolet Tahoe, 2019–2023 Chevrolet Silverado 1500, 2022–2023 Cadillac Escalade, 2021–2023 Chevrolet Suburban, 2022 GMC Sierra 1500 Limited, 2022 Chevrolet Silverado 1500 Ltd, 2019–2022 Chevrolet Lcf 3500, 2021–2022 GMC Yukon, 2019 Chevrolet Suburban 3500 Hd. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.