Oxygen Sensor for 1987-1989 Nissan Pathfinder & More - Walker 350-34031

Walker Products 350-34031 oxygen sensor for the 1987-1989 Nissan Pathfinder V6 3.0L and other vehicles measures the oxygen in the exhaust gas to gauge combustion efficiency. Each Walker part number is made for its specific application and fitting position, and it supplies the diagnostic feedback the ECU requires.

• Titania narrow-band design with 4 wires
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and exhaust particulates
• Electrodes made of a gas-permeable platinum layer
• Oxygen readings let the air-fuel mixture be fine-tuned for fuel economy
• Exhaust gas monitoring helps reduce pollutants

Quick facts

• Part: Walker Products 350-34031 oxygen sensor
• Fits: 1987-1989 Nissan Pathfinder V6 3.0L and other vehicles
• Position: Upstream
• 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. Before you replace it, rule out physical damage to the wiring harness and connector, since damage there can also shorten a sensor's life. This listing is one sensor, and the upstream position takes a single one.

Fits

It is a direct-fit upstream oxygen sensor for the 1987-1989 Nissan Pathfinder V6 3.0L and the 1986-1989 Nissan D21 V6 3.0L.

Specifications