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The NGK direct-fit oxygen sensor for Mazda 626 (1998–1999) supplies consistent closed-loop feedback to the engine control unit to help maintain air-fuel balance and support diagnostic monitoring. Built with NTK's OEM sensor know-how, the unit features an advanced ceramic sensor element with a three-stage contaminant-resistant plasma jet and deposit-trap overcoat that protects against contamination and enhances resistance to failure for reliable, OE-compatible performance.
NGK Mazda 626 1999-1998 Direct Fit Oxygen Sensor
