Oxygen Sensor for 2005-2006 Nissan Altima & More - Walker 250-25160

Walker Products 250-25160 oxygen sensor for the 2005-2006 Nissan Altima V6 3.5L and other vehicles reads the oxygen content of your exhaust gas. This Walker Products oxygen sensor is a wide-band unit that gives the ECU the diagnostic feedback it expects for its application and position.

• Monitors exhaust gases and helps reduce pollutants
• Measures oxygen levels so the air-fuel mixture can be fine-tuned for fuel economy
• Electrodes made of a gas-permeable platinum layer
• Monitors the air-fuel ratio for combustion efficiency
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates in the exhaust gases

Quick facts

• Part: Walker Products 250-25160 oxygen sensor
• Fits: 2005-2006 Nissan Altima V6 3.5L and other vehicles
• Position: Upstream, upstream left, upstream right, upstream front, upstream rear
• Condition: New

Before you replace this sensor, rule out damage to the wiring harness and connector, because physical damage there can cause similar trouble. A failing sensor can make the engine run poorly, raise fuel consumption or exhaust emissions, or turn on the malfunction indicator light, and newer vehicles may store a related fault code.

Fits

The 2005-2006 Nissan Altima V6 3.5L, 2005-2006 Nissan Frontier V6 4.0L and 2005-2006 Nissan Pathfinder V6 4.0L are all vehicles this oxygen sensor fits, and so are many other Nissan, Cadillac and Infiniti models. This listing is one sensor; the 2005-2006 Nissan Altima V6 3.5L takes one.

Specifications