PREMIUM POST CATALYTIC OXYGEN O2 SENSOR TO SUIT NISSAN PATHFINDER R51 VQ40DE 4.0L V6

Premium Post Catalytic Oxygen Sensor – Downstream Exhaust Monitoring for Emission Control

A post catalytic oxygen sensor, also known as a downstream O2 sensor, is located after the catalytic converter in the exhaust system. It monitors oxygen content in treated exhaust gases and sends this information to the ECU, helping the vehicle assess catalytic converter efficiency during normal operation.

When sensor response becomes slow, incorrect, or unstable, the vehicle may show check engine light warnings, emission related fault codes, poor exhaust monitoring, or failed inspection results. A Premium post catalytic oxygen sensor provides a practical replacement option where downstream exhaust feedback is required.

Why Choose Premium Post Catalytic Oxygen Sensor?

• Manufactured using proven OE technology.
• Supports catalytic converter efficiency monitoring.
• Helps maintain emission system feedback after exhaust treatment.
• Corrosion resistant construction suited to exhaust conditions.
• Suitable for replacing a worn or faulty downstream oxygen sensor.
• Practical choice for diagnostic repair and emission system servicing.
  

Choose Premium post catalytic oxygen sensor for a trusted replacement solution focused on downstream exhaust monitoring.

This post-cat oxygen sensor suits Nissan vehicles fitted with the VQ40DE V6 engine.

Specifications:

• Type: Zirconia
  
• Number of wires: 4
  
• Location: Post cat right side
  

Contents:

• 1 X Post catalytic oxygen sensor
  

Vehicle Fitment Guide

Notes:

• This post-catalytic right oxygen sensor features a blue electrical connector (plug).
  
• A pair of Pre catalytic oxygen sensor can be purchased through another listing
  
• A Post catalytic left oxygen sensor with green electrical connector (plug) can be purchased through another listing.
  
• Please verify that your oxygen sensor matches the dimensions of the one in this listing prior to purchase. If you are unsure, please contact us for further assistance.
  
• The image is for illustrative purposes only.