Toyota Corolla Front Oxygen Sensor 89465-12880 Stable Air-Fuel Ratio

2000–2007 Toyota Corona 1.8L (1ZZ-FE) and 2003–2008 Corona 1.6L (3ZZ-FE) pre-cat oxygen sensor, OEM number 89465-12880, designed for original specs to ensure precise matching. Core function is real-time monitoring of exhaust oxygen content and feeding back to ECU to stabilize air-fuel ratio, improve fuel economy and reduce emissions. Replacement difficulty medium; use dedicated oxygen sensor socket tools; avoid damaging threads.