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The NGK direct-fit oxygen sensor for Hummer H3 (2006) supplies the engine control unit with continuous closed-loop feedback to help control air–fuel ratio, improve fuel economy and reduce emissions. Based on NTK ceramic sensor technology, it includes a 3-stage contaminant-resistant plasma-jet and deposit-trap overcoat to shield the ceramic element from contaminants and support OE-level application and production practices.
NGK Hummer H3 2006 Direct Fit Oxygen Sensor
