Toyota Rear Oxygen Sensor 89465-12840 Direct Plug-in Installation

After-market rear oxygen sensor designed for 2003–2009 Toyota Camry 2.4L, 2004–2009 Corolla 1.8L, 2005–2010 RAV4 2.4L; OEM 89465-12840; ensures exact match with these displacements. Monitors exhaust oxygen content and sends signal to ECU to optimize air–fuel ratio to improve fuel economy and reduce emissions. OEM numbers cross-checkable to original; installation difficulty medium; ideal for precise replacement.