Toyota Crown Reiz Air-Fuel Ratio Oxygen Sensor 89467-22040 Front Oxygen Sensor Precise Calibration

This air-fuel ratio O2 sensor is specifically designed for Toyota Crown (2005-2012, 2.5L/3.0L) and Mark X (2005-2010, 2.5L/3.0L) models, precisely matching the front O2 sensor installation location. Core function is real-time monitoring of exhaust oxygen content and feeding ECU to adjust air-fuel ratio for compliant combustion and emissions reductions. OEM number 89467-22040; cross-check with inventory systems. Replacement difficulty moderate; use a dedicated socket to avoid wire strain. After installation, clear diagnostic trouble codes with a scanner. This sensor uses KLP brand original-grade chips with fast response, effectively lowering fuel consumption and emissions; suitable for bulk purchase for repair shops or fleets.