Coolant Water Thermostat Compatible With TOYOTA For AVALON For CAMRY
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[Reference Number] Manufacturer Part Number: 16031-25011 16031-25010 M4197A2 T4245111 94.197A2 TH71882G1 81921077 921077 4006451 Product Features: This automotive coolant thermostat undergoes rigorous hardness and compressive strength testing, featuring a precise structure and reliable performance. It more effectively regulates heat dissipation, ensuring the engine operates within the appropriate temperature range. Material: The housing of this automotive engine coolant thermostat is now made of ABS material, capable of withstanding high temperatures and pressures, helping the engine maintain a reliable operating temperature. 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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