NGK direct‑fit oxygen sensor for Geo Prizm (1990–1992) supplies constant closed‑loop feedback to the ECU, helping control air–fuel ratio and supporting OBDII emissions monitoring. Built with NTK ceramic expertise, the sensor uses a durable ceramic element and manufacturing controls that improve resistance to failure. It installs as a direct replacement to restore accurate engine management signal and emissions performance.
NGK Geo Prizm 1992-1990 Direct Fit Oxygen Sensor