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The NGK direct-fit oxygen sensor for Buick Century (1996–2004) replaces the factory sensor to deliver continuous closed-loop air-fuel feedback to the engine control unit, supporting stable mixture control, fuel economy and emissions reduction. Using NTK's OEM sensor technology, the sensor features an advanced ceramic element protected by a 3-stage contaminant-resistant plasma jet and deposit-trap overcoat to guard against element poisoning and increase reliability.
NGK Buick Century 2004-1996 Direct Fit Oxygen Sensor
