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The NGK OE-style 4-wire air/fuel sensor for Nissan Altima (2007) is a direct-fit replacement that restores accurate oxygen sensing to the engine control unit, supporting correct air–fuel ratio. As an OE-type four-wire unit it offers the factory electrical interface for an uncomplicated swap and consistent readings to support fuel control.
NGK 2007 Nissan Altima OE Type 4-Wire A/F Sensor
