4Pcs Up+Downstream Oxygen O2 Sensor For 2011-2013 Infiniti QX56 2014 QX80 5.6L
110,65 €
2014 Infiniti QX80 5.6L. The front oxygen sensor is to detect the air-fuel ratio of the engine in different working conditions. The rear oxygen sensor is mainly to detect whether the three-way catalytic converter works normally.
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