Lexus Rear Oxygen Sensor 89465-50160 Direct Replacement

Lexus downstream oxygen sensor for 2GR-FE engines in ES350, RX350, etc.; OEM 89465-50160; direct replacement without batch compatibility concerns. Mounted after the exhaust, monitors oxygen content and feeds ECU to adjust air-fuel ratio; resolves high fuel consumption and weak acceleration. If idle is unstable, exhaust smells of raw fuel, or MIL lights, replace.