Material: Aluminum & ABSSize：Like the picture showTotal Length: Approx. 51cmPart numbers: 226902A000， 22690 2A 000， 226908J001， 22690 8J 001，22690 8J 010， 226915M014， 22691 5M 014， 22691 8U 000 Features:High quality， easy install， durableFour pin， 4 wire configurationCorrect connector， no cutting or splicingUpstream location is between the catalytic converter and the engine Downstream location is between the catalytic converter and the tailpipe Fitment:2003-05 Infiniti FX45 O2 Oxygen Sensor Upstream Right2003-04 Infiniti M45 O2 Oxygen Sensor Upstream Right2002-05 Infiniti Q45 O2 Oxygen Sensor Upstream Right2002-03 Nissan Altima O2 Oxygen Sensor Upstream for L4 2.5L2004 Nissan Sentra O2 Oxygen Sensor Upstream for L4 2.5L with California Emissions2002 Nissan Sentra O2 Oxygen Sensor Upstream Right for L4 1.8L (excluding California Emissions) (excluding Clean Air Vehicle)2002-03 Nissan Sentra O2 Oxygen Sensor Upstream for L4 2.5L Package includes: 1 x Oxygen Sensor