Rear exhaust sensor - Kia Optima (2012-2015)

Original rear oxygen sensor. Monitors combustion outputs to ensure the pollution muffler works efficiently. Part number: 39210-2G370. Important note: Please write the chassis number when ordering to ensure the part matches. For compatibility and search: For compatibility: Kia - Optima - 2012. For compatibility: Kia - Optima - 2013. For compatibility: Kia - Optima - 2014. For compatibility: Kia - Optima - 2015.