O2 Sensor 4-Wire Heated 89465-28320 Rear for Toyota Estima 1999-2006 2.4L ACR30

Upgrade your Toyota Estima's exhaust management with the WEIDA AUTO PARTS O2 Sensor, crafted for the 1999-2006 2.4L ACR30 rear installation. This heated, 4-wire oxygen sensor delivers precise readings to your engine control unit, helping maintain the ideal air–fuel ratio for stronger performance, better fuel economy, and cleaner emissions. Designed as a direct-fit replacement, it mirrors the original part’s fit and connection, ensuring reliable operation over thousands of miles.

Benefits & Tips

• Improved fuel efficiency and reduced emissions through accurate oxygen sensing and timely ECU adjustments.
• Smoother idle and better throttle response thanks to consistent rear O2 sensor data feeding the ECU.
• Easy compatibility verification by matching OEM number 89465-28320 and rear position on the 1999-2006 Estima 2.4L.

Product specifications

• Brand: WEIDA AUTO PARTS
• OEM No.: 89465-28320
• Vehicle compatibility: 1999-2006 Toyota Estima 2.4L ACR30 (Rear O2 Sensor)
• Sensor type: Piezoelectric
• Measuring range: For 1999-2006 Toyota Estima 2.4L ACR30
• Wire configuration: 4-wire heated
• Origin: Mainland China
• Category: Oxygen Sensor
• Application: Rear position
• Resolution: Oxygen Sensor

Package includes:

• 1 x O2 Sensor (Rear) – OEM 89465-28320

Warnings / Reminders

• Ensure compatibility with your vehicle: Toyota Estima 1999-2006 2.4L ACR30 rear O2 sensor.
• Professional installation is recommended; disconnect the battery and handle the sensor with care.
• Use the appropriate wiring harness and follow vehicle-specific procedures to avoid readings issues.

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