This genuine Claas 7701028771 thermostat is designed to regulate engine temperature, ensuring optimal performance and efficiency. With an opening temperature of 83°C, it is suitable for a wide range of Claas Ares, Arion, Atles, Celtis, Ceres, Cergos, Ergos, Nectis, Pales, and Temis tractor models, as well as numerous Renault Agriculture tractors. This essential cooling system component helps maintain the correct operating temperature, preventing overheating and ensuring engine longevity.