Toyota Oxygen Sensor 89465-19745 89465-12440 Optimize fuel mixture ratio

Toyota oxygen sensors use OEM-material zirconia ceramic element and high-temperature stainless steel housing; internal circuits are precisely welded; response speed matches OEM; durable for long-term high-temperature exhaust conditions. OEM numbers 89465-19745, 89465-12440, 89465-12450, 89465-19675, 19000-11830; fits Toyota Corolla, Camry, RAV4 and other mainstream models. Core function: real-time monitoring of exhaust oxygen, feeding ECU to optimize air-fuel ratio for combustion efficiency and emissions compliance.