The ABAKUS thermostat (part code 037-025-0010) plays a crucial role in your vehicle's cooling system. It functions as a valve that controls the flow of coolant between the engine and the radiator. When the engine is cold, the thermostat remains closed, allowing the coolant to circulate only within the engine block. This helps the engine reach its optimal operating temperature more quickly, which is essential for efficient combustion, reduced emissions, and proper lubrication. Once the coolant reaches a specific temperature, the thermostat opens, allowing hot coolant to flow to the radiator. Here, the coolant is cooled before returning to the engine. This continuous cycle ensures that the engine temperature is maintained within a safe and efficient range, preventing damage from overheating.