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NGK 5‑wire wideband air‑fuel ratio sensor for Audi S6 (2008–2011) applications supplies a direct-fit linear AFR signal that helps the engine control unit dial in fuel mixture for cleaner combustion, improved economy and lower emissions. Backed by NTK's OEM manufacturing scale, the sensor uses ceramics expertise and a 3-stage contaminant‑resistant plasma jet and deposit‑trap overcoat to protect the element and resist failure.
NGK Audi S6 2011-2008 Direct Fit 5-Wire Wideband A/F Sensor
