Toyota Lexus Rear Oxygen Sensor 89465-50140 Exhaust Treatment Specific

Toyota/Lexus rear oxygen sensor 89465-50140 uses high-purity ceramic substrate and corrosion-resistant stainless steel housing; tested to withstand high-temperature exhaust environments. OEM number 89465-50140; fits Camry, RAV4, and Lexus ES series. Monitors exhaust oxygen content and feeds ECU to adjust air-fuel ratio, preventing high fuel consumption or excessive emissions. Installation requires a dedicated socket to remove/install the exhaust pipe segment; mind wire routing to avoid contact with hot components.