Oxygen Sensor for 2002-2006 Nissan Altima & More - Walker 250-24403

Walker Products 250-24403 oxygen sensor for the 2002-2003 Nissan Altima 4-cylinder 2.5L, the 2004-2006 Altima V6 3.5L and other vehicles measures the oxygen in the exhaust gas to gauge combustion efficiency. Each part number is made for one application and sensor position, and it supplies the diagnostic feedback the ECU requires.

• Narrow-band oxygen sensor with a 4-wire connection
• Electrodes made of a gas-permeable platinum layer
• Coating that prevents contamination and erosion of the electrode surfaces by combustion residue and particulates
• Monitors exhaust gases to help reduce pollutants

Quick facts

• Part: Walker Products 250-24403 oxygen sensor
• Fits: the 2002-2003 Nissan Altima 4-cylinder 2.5L, the 2004-2006 Altima V6 3.5L and other vehicles
• Position: Downstream, downstream left, downstream right, downstream front, downstream rear
• Condition: New

A failing sensor can make the engine run poorly, raise fuel consumption or turn on the malfunction indicator light, and newer vehicles may store a fault code for it. A damaged wiring harness or connector can be behind the same signs, so find which one is at fault before you buy a sensor.

Fits

This direct-fit oxygen sensor for the 2005-2012 Nissan Pathfinder V6 4.0L also fits the 2005-2012 Nissan Frontier V6 4.0L. It is also an O2 sensor for the 2005 Nissan Altima V6 3.5L. This listing is one sensor, and the fitment lists a quantity of one. Driving something else? Look up your year, model and engine in the "Vehicles it fits" section.

Specifications