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The NGK direct-fit oxygen sensor for Audi S6 (2007–2011) returns continuous closed-loop oxygen monitoring to the ECU, helping maintain combustion efficiency, fuel economy and emissions control. Built with NTK’s ceramic expertise and OE application technology, the sensor’s ceramic element uses a 3-stage contaminant-resistant plasma jet and deposit-trap overcoat to reduce poisoning and extend functional life.
NGK Audi S6 2011-2007 Direct Fit Oxygen Sensor
