丰田花冠威驰卡罗拉04-08氧传感器 89467-12030 1.6L引擎专用

Toyota Corolla, Yaris, and other 04-08 1.6L engines’ oxygen sensor (O2 sensor) dedicated part. OEM number: 89467-12030. Uses high-temperature ceramic core and precision laser-welding process; durability close to factory. Monitors exhaust oxygen content and feeds back to ECU to ensure precise air-fuel ratio control, preventing excessive fuel consumption or emissions. Installation difficulty: medium; use specialized socket to remove old part, avoid damaging threads. Recommend cold engine operation to prevent burns. If check engine light is on or idle is unstable, replace to restore performance.