丰田埃尔法/普瑞维亚后氧传感器 89465-28420 原厂型品质保障

This rear oxygen sensor is designed for Toyota Alphard (2008-2015, 2.4L/3.5L petrol) and Previa (2006-2019, 2.4L/3.5L petrol), precisely matching OEM specifications to ensure closed-loop control of air–fuel ratio. It monitors exhaust oxygen content and feeds back to the ECU to adjust injection, reducing emissions and improving fuel economy. OEM number 89465-28420; buyers should verify the vehicle’s original part number before purchase to avoid misfit. Replacement is intermediate in difficulty; recommended to be performed by a professional technician, use a dedicated sleeve to remove, and avoid damaging threads. This product meets original-equipment quality standards and is suitable for bulk maintenance or stock stocking to reduce after-sales complaints.