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The NGK 5-wire wideband air-fuel sensor for Audi A8 Quattro (2005–2007) provides a precise linear AFR signal so the ECU can continuously adjust the air-fuel mixture for optimal combustion and emissions performance. Produced by NTK, a ceramics-rooted OEM sensor leader, the wideband unit employs an advanced ceramic element and a three-stage contaminant-resistant plasma jet plus deposit-trap overcoat to resist element poisoning and improve durability.
NGK Audi A8 Quattro 2007-2005 Direct Fit 5-Wire Wideband A/F Sensor
