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The NGK direct-fit oxygen sensor for Mazda 6 (2003–2005) gives OE-style air–fuel sensing to support closed-loop operation, helping the ECU maintain optimal engine performance, improve fuel efficiency and reduce emissions. Built with NTK ceramics expertise, the sensor uses a 3-stage contaminant-resistant ceramic element with plasma-jet and deposit-trap overcoat to resist element poisoning and deliver reliable direct-replacement durability.
NGK Mazda 6 2005-2003 Direct Fit Oxygen Sensor
