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The NGK 5-wire wideband air-fuel sensor for Acura MDX (2003–2006) produces a linear output that lets the ECU determine how rich or lean the engine is and continuously adjust the air-fuel mixture for best combustion and emissions. Built by NTK, a leading OEM sensor and ceramics specialist, it features an advanced ceramic element with a 3-stage contaminant-resistant plasma jet and deposit-trap overcoat to resist poisoning.
NGK Acura MDX 2006-2003 Direct Fit 5-Wire Wideband A/F Sensor
