This Oxygen O2 Sensor is a new, aftermarket replacement part that has the following specifications:

  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length
  • Replaces many dealer part numbers including: 3921023710, 3921023750
  • Upstream or Downstream Sensor as listed per applications
  • Heated
  • 4 wire configuration
  • Built and tested to strict quality control standards
  • Includes removal and installation tool

Note: For clarification purposes:

  • Upstream location is between the catalytic converter and the engine
  • Downstream location is between the catalytic converter and the tailpipe

If you have a bad O2 sensor causing your vehicle to run badly or fail an emission test then this is the part for you.

Our electrical and electronic parts are subject to strict quality control testing. Please ensure proper diagnosis of this item before purchasing as the item cannot be returned once installed or plugged in.

Item Condition: New

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

  1. step : Removing the Oxygen Sensor (0:34)
    • Raise and secure the vehicle
    • Disconnect the oxygen sensor wiring harness
    • Loosen the oxygen sensor with a 7/8 inch wrench
    • Attach another wrench to the 7/8 inch wrench for leverage if necessary
    • Pull out the oxygen sensor
  2. step : Installing the New Oxygen Sensor (1:37)
    • Apply anti-seize fluid to the threads of the new oxygen sensor
    • Thread in the new oxygen sensor
    • Tighten the new oxygen sensor with the 7/8 inch wrench
    • Connect the oxygen sensor wiring harness
    • Lower the vehicle to the ground

Tools needed for replacement:

    General Tools

  • Floor Jack
  • Jack Stands

  • Materials, Fluids, and Supplies

  • Anti-Seize Grease

  • Wrenches - SAE

  • Complete SAE Wrench Set

5.0 / 5.0
2 Reviews
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Good tool
II was 100% satisfied with the service and the part
. The Prices are grate and the parts fit.
July 28, 2018
Purchased
1 year ago
Sensor
The sensor and electrical connection were a perfect fit. The inclusion of the installation tool made removal super easy. Just remember you may have to remove rust and lubricate the existing sensor to get it out.
April 30, 2018
Purchased
5 months ago
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 1 question Browse 1 question and 1 answer
Is this the o2 sensor I need when my car is running lean and idling rough?
Lorrie S on Nov 23, 2017
BEST ANSWER: What is the check engine light code you are receiving? There are a few different oxygen sensors which could be causing these symptoms.

Vehicle Fit

Year Make Model Description
2000-2011Hyundai Accent Hyundai Accent Upstream O2 Oxygen Sensor with Install Tool
2000-2011Hyundai Accent Hyundai Accent Downstream O2 Oxygen Sensor with Install Tool
2001-2013Hyundai Elantra Hyundai Elantra L4 2.0L Downstream O2 Oxygen Sensor with Install Tool
2003-2008Hyundai Tiburon Hyundai Tiburon L4 2.0L Downstream O2 Oxygen Sensor with Install Tool
2005-2009Hyundai Tucson Hyundai Tucson L4 2.0L Downstream O2 Oxygen Sensor with Install Tool
2006-2011Kia Rio Kia Rio L4 2.0L Downstream O2 Oxygen Sensor with Install Tool
2006-2011Kia Rio5 Kia Rio5 Downstream O2 Oxygen Sensor with Install Tool
2010Kia Soul Kia Soul L4 1.6L Downstream O2 Oxygen Sensor with Install Tool
2010-2011Kia Soul Kia Soul L4 2.0L Downstream O2 Oxygen Sensor with Install Tool
2004-2009Kia Spectra Kia Spectra Downstream O2 Oxygen Sensor with Install Tool
2005-2009Kia Spectra 5 Kia Spectra 5 Downstream O2 Oxygen Sensor with Install Tool
2005-2010Kia Sportage Kia Sportage L4 2.0L Downstream O2 Oxygen Sensor with Install Tool
Part #: 1AEEK00524

Out of Stock

How-to Video:

(02:44 min)