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NGK 5‑wire wideband air‑fuel ratio sensor for Nissan Altima (2004–2006) applications is a direct-fit replacement that delivers a linear AFR signal, enabling the engine control unit to fine-tune fuel delivery for better economy and emissions control. NTK, a leading OEM oxygen sensor manufacturer, applies ceramics technology and a 3-stage contaminant‑resistant overcoat to protect the sensing element and improve long-term reliability.
NGK Nissan Altima 2006-2004 Direct Fit 5-Wire Wideband A/F Sensor
