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The NGK direct-fit oxygen sensor for Buick Regal (2011–2013) supplies continuous closed-loop data to the engine control unit to help maintain optimal air–fuel ratio, improve fuel economy and reduce emissions. Developed with NTK ceramic sensor expertise, the sensor includes a 3-stage contaminant-resistant plasma-jet and deposit-trap overcoat to protect the ceramic element from poisoning and align with OE application practices.
NGK Buick Regal 2013-2011 Direct Fit Oxygen Sensor
