Coolant Thermostat Housing Engine Cooling Thermostat Assembly 06B121111H Compatible With VW For Passat B5 2001 2002 2003 2004 2005 OEM 06B121111K 06B121111G

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Materials: This engine coolant thermostat is specially designed to withstand extreme temperature changes and prevent cracking and leakage. Functions: Repairs engine overheating/overcooling issues, checks for vibrations or other problems caused by thermostat malfunctions. Regulates coolant flow through the radiator to maintain a stable engine operating temperature. Installation: Each connector on the thermostat is meticulously crafted and manufactured to standards, making installation simple and requiring only one person. 【Compatibility Check】Please verify that the product number and technical information provided below match the product you need to replace. Features: This thermostat housing assembly effectively regulates engine temperature, offering stability and robustness to maintain engine efficiency and extend service time.