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Factory replacement Front O2 Sensor (upstream) for Nissan 350Z's and Infiniti G35's.

Please be sure to select the correct Year / Model from the options below as these sensors vary.

Sold Individually.

Please note: Late 2004+ G35 Coupe models were equipped with wideband Front O2 Sensors. if your G has these sensors (indicated by black 6 pin connectors), please select 2005 as your year.

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