Walker Products 250-24451 left oxygen sensor for the 2003-2004 Nissan Pathfinder V6 3.5L measures the oxygen content of the exhaust gas. This Walker Products oxygen sensor is a 4-W direct fit, narrow-band unit that gives the ECU the diagnostic feedback it needs for this application and position.
- Made for its specific application and fitment position
- Electrodes made of a gas-permeable platinum layer
- Monitors exhaust gases and reduces pollutants
- Tracks the air-fuel ratio to show combustion efficiency
- Electrode coating prevents contamination and erosion from combustion residue and particulates in the exhaust gases
- Measures oxygen levels to fine-tune the air-fuel mixture and support fuel economy
Quick facts
- Part: Walker Products 250-24451 oxygen sensor
- Fits: 2003-2004 Nissan Pathfinder V6 3.5L
- Position: Upstream left
- Condition: New
A failing sensor can make the engine run poorly, raise fuel consumption and exhaust emissions, or turn on the malfunction indicator light. These signs alone do not prove the sensor is the problem, since a vacuum leak can cause rough running too. The sensor, wiring harness and connector should also be checked for physical damage.
Fits
It fits the 2003-2004 Nissan Pathfinder V6 3.5L, which takes one sensor in this upstream left position. The other sensor positions are separate parts.
Specifications
Fit and size
- Position: upstream left
- Quantity per vehicle: 1 for this position
- Thread size: M18 - 1.5
Build and materials
- Type: 4-W direct fit, narrow-band
- Electrodes: gas-permeable platinum layer
- Electrode surfaces: coated against contamination and erosion
- Condition: New
In the box
One oxygen sensor. This listing holds one sensor for the upstream left position, and the 2003-2004 Nissan Pathfinder V6 3.5L takes one in that position; the other positions are ordered separately.
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
Is the 250-24451 the right Pathfinder oxygen sensor for a 2003-2004 Nissan Pathfinder V6 3.5L?
Yes. Walker Products 250-24451 is listed for the 2003-2004 Nissan Pathfinder V6 3.5L, in the upstream left position.
Is this left oxygen sensor narrow-band or wide-band?
It is narrow-band. Walker Products 250-24451 is a 4-W direct fit, narrow-band oxygen sensor.
What thread size does this upstream left oxygen sensor have?
The thread size is M18 - 1.5.
What does the coating on this oxygen sensor protect?
The coating prevents contamination and erosion of the electrode surfaces by combustion residue and particulates in the exhaust gases.
Can a bad oxygen sensor raise fuel consumption?
It can. A failed sensor can make the engine run poorly, raise fuel consumption and exhaust emissions, or light the malfunction indicator light. A shop can read the stored codes.
