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The NGK direct-fit oxygen sensor for Mazda 6 (2003–2005) returns OE-style oxygen sensing to the engine control unit for closed-loop air-fuel management and OBDII monitoring. Developed with NTK's ceramic expertise, the sensor employs an advanced ceramic element protected by a three-stage contaminant-resistant plasma jet and deposit-trap overcoat to reduce contamination-related failure and improve durability for dependable, OEM-equivalent operation across the covered model years.
NGK Mazda 6 2005-2003 Direct Fit Oxygen Sensor
