What it does. Calorstat By Vernet Engine Coolant Thermostat CALORSTAT by Vernet 762-TH6843.91J is part of the cooling system that carries engine heat away and holds the engine at operating temperature.

Fitment. Catalogued as fitting 2019–2023 Dodge Challenger, 2023 Jeep Grand Cherokee L, 2019–2023 Dodge Durango, 2019–2023 Jeep Grand Cherokee, 2020–2022 Chrysler 300, 2021–2022 Dodge Charger. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.