OEM Upstream O2 Sensor for Infiniti FX/QX Models.

Installed before the catalytic converters on the exhaust manifold, these sensors often prove to be difficult to remove without destroying the threads. These sensors are also referred to as a "Air-Fuel Ratio Sensor" by Nissan.

Sold Individually | Quantity per vehicle 2

Fits

• 2013 Infiniti FX37
• 2014-2017 Infiniti QX70 (3.7L V6 Equipped Models Only)

Note: Please select the correct year range from the drop-down menu to ensure proper fitment!