The NGK direct-fit oxygen sensor for Kia Sephia (1998–2001) restores accurate oxygen sensing so the ECU can regulate air–fuel mixture, improve fuel economy and monitor catalytic converter performance. Built with NTK sensor expertise, the replacement uses an advanced ceramic element and a 3-stage contaminant-resistant plasma jet plus deposit trap overcoat to help resist contaminant-related sensor degradation.
NGK Kia Sephia 2001-1998 Direct Fit Oxygen Sensor