Toyota Vios Oxygen Sensor 89465-59035 89465-50210 89465-20800 Precise Air-Fuel Ratio

Toyota Vitz oxygen sensor, OEM numbers 89465-59035, 89465-50210, 89465-20800; designed for precise air-fuel ratio control. Installed before and after the catalytic converter on exhaust pipe; monitors oxygen content in exhaust and feeds ECU to optimize combustion efficiency and engine power. Fits Toyota Vitz and similar platforms; installation medium; 0.5-1 hour; protect threads. If rough idle, higher fuel consumption, weak acceleration, or check engine light, sensor performance decline; replace.