What it does. Calorstat By Vernet Engine Coolant Thermostat CALORSTAT by Vernet 762-TH2107.86J is part of the cooling system that carries engine heat away and holds the engine at operating temperature.

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