Left Oxygen Sensor for 2003-2004 Nissan Pathfinder & More - Walker 350-34175

Walker Products 350-34175 left oxygen sensor for the 2003-2004 Nissan Pathfinder V6 3.5L and other vehicles reads the oxygen in the exhaust gas. It is made for one application and fitment position and gives the ECU the diagnostic feedback that application needs.

• Measures the oxygen content of the exhaust gas to monitor the air-fuel ratio for combustion efficiency
• Monitors exhaust gases to help reduce pollutants
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates
• Measures oxygen levels to help fine-tune the air-fuel mixture and support fuel economy
• Electrodes with a gas-permeable platinum layer

Quick facts

• Part: Walker Products 350-34175 oxygen sensor
• Fits: 2003-2004 Nissan Pathfinder V6 3.5L and other vehicles
• Position: Upstream, upstream left
• Condition: New

A failing oxygen sensor can make the engine run poorly, raise fuel consumption or exhaust emissions, or turn on the malfunction indicator light. Those signs alone do not show the sensor is at fault, since a damaged wiring harness or connector can also be behind them.

Fits

This oxygen sensor is a direct-fit replacement for the 2003-2004 Nissan Pathfinder V6 3.5L and the 2021-2025 MG MG5. This listing is one sensor, and both vehicles take one.

Specifications