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NGK 5‑wire wideband air‑fuel ratio sensor for Audi S6 (2008–2009) applications offers a direct-fit linear AFR output so the engine control unit can continuously fine-tune air‑fuel mixture for optimal combustion and emissions. Built with NTK's OEM manufacturing expertise and ceramics technology, the sensor includes an advanced ceramic element with a 3-stage contaminant‑resistant plasma jet and deposit‑trap overcoat to protect against element poisoning and improve durability.
NGK Direct Fit 5-Wire Wideband A/F Sensor
