This replacement oxygen sensor is just what you need to get your vehicle in good working form again!


  • Brand New Oxygen Sensor
  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (31.50 Inches)
  • Upstream or Downstream Sensor
    • as listed per application
  • 4 wire configuration
  • Replaces dealer part numbers: 8946530430, 89465 30430, 8946542090, 89465 42090, 8946542100, 89465 42100, 8946548060, 89465 48060, 8946548070, 89465 48070, 8946552010, 89465 52010
  • Built and tested to strict quality control standards

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 poorly fail an emission test then this is the part for you.

Returns Note:

Our electrical and electronic parts are subject to strict quality control testing.  Once the item has been installed or plugged in, it is no longer eligible for a refund.  The item may be eligible for replacement, only if it is found to have a manufacturing defect. Before purchasing, please ensure proper diagnosis of the failed original part is performed.

Note:  You may be required to reset the vehicle’s computer after installation of this part.

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 : Identifying your Oxygen Sensors (0:57)
    • Upstream oxygen sensors are located in between the engine and the catalytic converter
    • Downstream oxygen sensors are located in the catalytic converter or farther away from the engine than the catalytic converter
    • Locate your vehicle's firing order diagram
    • The bank that contains cylinder one is bank one
    • The bank that does not contain cylinder one is bank two, even if it does not contain cylinder two

Tools needed for replacement:

    1A - No Tools Needed

  • No Tools Needed

3.7 / 5.0
3 Reviews
5 Stars
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1 Star
Hi this the first time buyer @A1 auto and hope buy more in coming days I am not a mechanic but try to fix a car issue my self and do /looking toyata rav/ 4 /2002 /2.0 lit ,4 door front calipers will contact you soon good quality parts
Thanks Bharat Patel 647 518 6611
June 27, 2018
2 months ago
Response from 1A Auto
Thank you for your order and the review that you have left for us on Bizrate. It is greatly appreciated. We strive for 100% total customer satisfaction. We do not currently carry the Caliper for your 2002 Toyota Rav4. We update our listing frequently and we may have this part in the future. If there is anything that we can help you please let us know.
June 27, 2018
Elesban A
Part I ordered was above and beyond what I expected. I am very happy with this service
May 11, 2018
3 months ago
saved me 450 dollars
saved me 450 and got me thought state emission test
September 28, 2017
1 year ago
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Vehicle Fit

Year Make Model Description
1998-2005Lexus GS300 Lexus GS300 Front Bank Cylinders #1 - 3 Upstream O2 Oxygen Sensor
2001-2003Toyota Highlander Toyota Highlander L4 2.4L Downstream O2 Oxygen Sensor
2001-2003Toyota Rav4 Toyota Rav4 Downstream O2 Oxygen Sensor
Part #: 1AEOS00113

Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

How-to Video:

(03:08 min)