This NGK direct‑fit oxygen sensor is intended for Saturn Ion models from 2003–2004 and serves as an OE‑style replacement for the vehicle’s oxygen sensing circuit. Applying NTK ceramic development, the sensor is built to offer dependable air‑fuel ratio feedback with an element design focused on contamination resistance and consistent response for proper ECU control.
NGK Saturn Ion 2004-2003 Direct Fit Oxygen Sensor