The Cummins Thermostat 4336659 is a crucial component used primarily on Euro III Automotive 15-liter ISX/QSX engines. Its function is to regulate the engine's operating temperature by controlling the flow of coolant through the cooling system. The thermostat stays closed during engine startup to allow the engine to warm up quickly and then it gradually opens as the engine reaches its operating temperature. This ensures that the engine operates within the optimal temperature range, promoting fuel efficiency, reducing emissions and protecting the engine from overheating.
The Cummins Thermostat 4336659 is a crucial component used primarily on Euro III Automotive 15-liter ISX/QSX engines. Its function is to regulate the engine's operating temperature by controlling the flow of coolant through the cooling system. The thermostat stays closed during engine startup to allow the engine to warm up quickly and then it gradually opens as the engine reaches its operating temperature. This ensures that the engine operates within the optimal temperature range, promoting fuel efficiency, reducing emissions and protecting the engine from overheating.