Hyundai Kia Oxygen Sensor 39210-22610/39210-22620 Front and Rear Set Elantra Accent

Hyundai/Kia oxygen sensor directly replaces original numbers 39210-22610 and 39210-22620, dual front and rear parts, high universality. Its role is to monitor oxygen content in the exhaust and feed back to the ECU to adjust the air-fuel ratio, ensuring more complete engine combustion. Compatible with Hyundai Elantra and KIA Forte (Yakt) models; after installation, it can resolve high fuel consumption, weak acceleration, and engine warning light on issues. If you notice rough idle, black smoke from exhaust, or failing emissions in inspection, aging oxygen sensor is likely the cause; replace promptly.