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The NGK five‑wire wideband air‑fuel sensor for Mazda 3 (2007–2009) delivers a linear A/F signal so the ECU can precisely control mixture for optimal combustion, fuel savings and reduced emissions. Built using NTK ceramic technology, the sensor includes a 3‑stage contaminant‑resistant plasma‑jet element and deposit‑trap overcoat to resist poisoning, reach operating temperature quickly and provide OE‑style fit and reliability.
NGK Mazda 3 2009-2007 Direct Fit 5-Wire Wideband A/F Sensor
