High quality OEM match, the problem of oxygen sensor may happen because you choose wrong fitment, wrong position or wrong sockets. Please confirm that your car model matches the product before purchase. Enter complete Year, Make, Model, Trim, and Engine in amazonconfirmedfit. This O2 sensor fits specific vehicle. You also should confirm our part pictures are same as yours.
For Nissan
2004-2006 Altima 3.5L Upstream/Upstream Front
2005-2006 Armada 5.6L Upstream
2005-2006 Frontier 4L Upstream Left
2004-2008 Maxima 3.5L Upstream
2004-2007 Murano 3.5L Upstream
2005-2006 Pathfinder 4L Upstream Left
2004-2008 Quest 3.5L Upstream/Upstream Front
2004-2006 Titan 5.6L Upstream
2005 Xterra 4L Upstream Left
For INFINITI
2006-2008 FX45 4.5L Upstream Left
2006-2008 M45 4.5L Upstream Left
2006 Q45 4.5L Upstream Left
2004-2006 QX56 5.6L Upstream
