Left Oxygen Sensor for 2001 Nissan Pathfinder & More - Walker 250-23135

Walker Products 250-23135 left oxygen sensor for the 2001 Nissan Pathfinder V6 3.5L and other vehicles measures the oxygen content of the exhaust gas. It is made for a specific application and position on the vehicle and gives the engine computer the diagnostic feedback it needs.

• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates in the exhaust gas
• Electrodes made of a gas-permeable platinum layer
• Monitors the air-fuel ratio for combustion efficiency
• Oxygen readings help fine-tune the air-fuel mixture for fuel economy
• Monitors exhaust gases to help reduce pollutants

Quick facts

• Part: Walker Products 250-23135 oxygen sensor
• Fits: 2001 Nissan Pathfinder V6 3.5L and other vehicles
• Position: Upstream left
• Condition: New

A failing sensor can show up as poor running, higher fuel consumption or a lit malfunction indicator light. Before you replace this one, look over its wiring harness and connector for physical damage, since damage there or another engine fault can look just the same.

Fits

This is an oxygen sensor for the 2001 Nissan Pathfinder V6 3.5L and the 2001 Infiniti QX4 V6 3.5L. The listing is one sensor for the upstream left position; both cars call for one in that spot, and the sensor for the opposite bank is a separate part.

Specifications