OEM Upstream O2 Sensor for 2011-2018 Infiniti M56/Q70 models equipped with the VK56VD powertrain.

Installed before the catalytic converters on the exhaust manifold, these sensors often prove to be extremely difficult to remove without destroying the threads when installing an aftermarket set of headers or forced induction setup. These sensors are also referred to as a "Air-Fuel Ratio Sensor".

Sold individually. | One sensor will fit either the Left or Right side of the vehicle. | 2 Total Required Per Vehicle.

Fits:

• 2011-2018 Infiniti M56/Q70
  • VK56VD equipped