Coolant Water Thermostat Compatible With Focus Mk3 Mk4 2015-2021

Coolant Water Thermostat Compatible With Focus Mk3 Mk4 2015-2021

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[Reference Number] Manufacturer Part Number: GN1G9K478BA GN1G-9K478-BA Function: The engine coolant thermostat housing is manufactured using reliable processes and undergoes strict quality control to ensure reliable heat and wear resistance. It effectively regulates heat dissipation, ensuring the engine operates within the appropriate temperature range. Material: This automotive coolant thermostat housing is made of ABS material, making it sturdy, practical, and reliable in . Regulating Coolant Circulation: The coolant thermostat acts as the core temperature-control valve, automatically switching between small and large circulation loops based on coolant temperature. During a cold start, it closes the passage to the radiator, confining coolant circulation to the engine's internal "small loop" to help the engine rapidly reach its ideal operating range of 85–95°C. Maintaining Constant Operating Temperature:Once the target temperature is reached, the valve gradually opens to direct coolant into the radiator for "large loop" cooling. This prevents overheating and stabilizes the operating temperature within the optimal range, thereby boosting combustion efficiency by 12%–15%.

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