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The NGK five‑wire wideband air‑fuel sensor for Mazda 3 (2012–2013) supplies a linear A/F signal allowing the ECU to precisely manage mixture for improved combustion, fuel economy and lower emissions. Built with NTK ceramic expertise, the sensor features a 3‑stage contaminant‑resistant plasma‑jet element and deposit‑trap overcoat to resist element poisoning, heat quickly and offer OE-quality fit and long‑term reliability.
NGK Mazda 3 2013-2012 Direct Fit 5-Wire Wideband A/F Sensor
