比亚迪奇瑞 水温传感器 483Q-3808030 A11-3617011 通用替换

Water temperature sensors for BYD and many Chery models, universal replacement parts with OEM numbers including 483Q-3808030, A11-3617011, etc. They install on cooling system hoses or radiator connections, monitor coolant temperature in real time and control fuel injection, ignition timing, and cooling fan on/off. Installation difficulty is moderate; recommended labor 0.5-1 hour, require draining coolant and avoiding seal ring damage. If the engine is hard to start or the temperature gauge is abnormal, the sensor is likely failed.