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NGK 5‑wire wideband air‑fuel ratio sensor for Audi A8 Quattro (2004–2006) applications provides a direct-fit replacement that outputs a linear AFR signal so the engine control unit can make precise fuel adjustments for cleaner combustion, improved efficiency and reduced emissions. NTK, the world's largest OEM oxygen sensor supplier, uses ceramics expertise and a 3-stage contaminant‑resistant overcoat to protect the sensor element and improve resistance to failure.
NGK Audi A8 Quattro 2006-2004 Direct Fit 5-Wire Wideband A/F Sensor
