Oxygen Sensor for 2007-2011 Nissan Altima & More - Walker 250-54037

Walker Products 250-54037 oxygen sensor for the 2007-2011 Nissan Altima 4-cylinder 2.5L, the 2008-2010 Altima V6 3.5L and other vehicles measures the oxygen in the exhaust gas. It reads the oxygen content to monitor the air fuel ratio and combustion efficiency.

• Wide-band air fuel ratio sensor with 4 wires
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates
• Gas-permeable platinum layer on the electrodes
• Oxygen readings help fine-tune the air-fuel mixture and support fuel economy
• Exhaust gas monitoring helps reduce pollutants
• Made for its specific application and installation position, with the diagnostic feedback the ECU requires

Quick facts

• Part: Walker Products 250-54037 oxygen sensor
• Fits: 2007-2011 Nissan Altima 4-cylinder 2.5L, the 2008-2010 Altima V6 3.5L and other vehicles
• Position: Upstream (upstream left, upstream right and upstream front)
• Condition: New

A failing sensor can show up as rough running, higher fuel use, more exhaust emissions or a lit malfunction indicator light, and newer vehicles may store a related fault code. A damaged wiring harness or connector can be behind some of these signs too, so find the cause before you buy a sensor.

Fits

The vehicles it fits include the 2011-2012 Nissan Sentra 4-cylinder 2.5L, which takes one. It is also a Nissan Pathfinder oxygen sensor for the 2007-2010 Pathfinder V6 4.0L and the 2008-2012 Pathfinder V8 5.6L. This listing is one sensor. Open the "Vehicles it fits" section to check your exact model and engine.

Specifications