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The NGK direct-fit oxygen sensor for Infiniti QX4 (2001) provides the continuous oxygen feedback the ECU needs for accurate air–fuel mixture control, fuel efficiency and emissions monitoring. Leveraging NTK’s OEM sensor technology, this unit uses an advanced ceramic sensor element with a 3-stage contaminant-resistant plasma jet and deposit trap overcoat to resist contamination and extend service life under typical driving conditions.
NGK Infiniti QX4 2001 Direct Fit Oxygen Sensor
