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The NGK direct-fit oxygen sensor for Audi TT Quattro (2008–2009) supplies steady closed-loop feedback so the ECU can precisely control air-fuel ratio and monitor converter efficiency. Backed by NTK's ceramics-driven manufacturing and ongoing design improvements, the sensor's advanced ceramic element includes a 3-stage contaminant-resistant plasma jet and deposit trap to reduce element poisoning and enhance resistance to failure for dependable OE-level performance.
NGK Audi TT Quattro 2009-2008 Direct Fit Oxygen Sensor
