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The NGK direct-fit oxygen sensor for Audi A8 Quattro (2005–2009) provides continuous oxygen monitoring so the ECU can tune the air–fuel mixture for optimal performance and emissions. NTK’s OEM expertise and refined sensor design include a ceramic element shielded by a 3-stage contaminant-resistant plasma jet and deposit-trap overcoat, improving resistance to contamination and extending service life.
NGK Audi A8 Quattro 2009-2005 Direct Fit Oxygen Sensor
