Coolant Water Thermostat Compatible With OPEL For VECTRA B

Coolant Water Thermostat Compatible With OPEL For VECTRA B

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[Reference Number] Manufacturer Part Number: 21200-31U10 21200-31U1B 13050-31U00 21200-4W010 21200-4W01B 7701474510 21200-31U12 2120031U13 2120031U10 2120031U1B 1305031U00 212004W010 212004W01B 2120031U12 21200-31U13 TH33182G1 VT-118 22-0120 22120 39182 421150399 8MT 354 778-041 92764 Material: This coolant thermostat is made of metal, making it scratch-resistant, wear-resistant, sturdy, practical, and highly . It is not easily deformed or cracked, ensuring reliable durability and a long service life. Function: The engine coolant thermostat has reliable heat dissipation performance, regulating the flow of coolant through the radiator to control engine operating temperature and prevent overheating. 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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