Toyota Tacoma O2 Oxygen Sensor - 1AEOS00133

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How-To & Tools
Product Reviews
Vehicle Fit


  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (39.4 inches) 
  • Downstream Sensor
  • 4 wire configuration
  • 2 Bolt flange mounting
  • Replaces dealer part numbers: 8946509250, 89465 09250, 8946509280, 89465 09280, 8946509330, 89465 09330, 8946509340, 89465 09340, 8946509350, 89465 09350, 8946509360, 89465 09360, 8946509370, 89465 09370
  • 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 fail an emission test then this is the part for you.

Install note:

You may be required to reset the vehicle computer after installation of this part.

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

Attention California Customers:

WARNING: Cancer and Reproductive Harm -

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

4.67/ 5.0
3 reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Good Value
Fast shipping and best prices. Would have been 5 star but the rubber thru body attachment was undersized for my 2003 Tacoma 4x4 extended cab. I was able to fit the original one over it and no serious setback
October 27, 2017
good job
My order was received in good condition and on time. thank you will order again from you . THANK YOU c.b. reid
May 18, 2018
Fast shipping .Item arrived as described and very happy with the purchase will buy again
July 18, 2018
Will this fit my car? Add a vehicle to make sure
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Year Make Model Description
2000-2004Toyota Tacoma Toyota Tacoma L4 2.4L Rear Wheel Drive California Emissions Downstream O2 Oxygen Sensor
2000-2004Toyota Tacoma Toyota Tacoma L4 2.7L Rear Wheel Drive California Emissions Downstream O2 Oxygen Sensor
2001-2004Toyota Tacoma Toyota Tacoma V6 3.4L Downstream O2 Oxygen Sensor
Part #: 1AEOS00133

Order must be placed by 4pm ET
Delivery options for:

Estimated Arrival Cost

Deliveries made to PO Boxes and FPO may take longer. See our Shipping & Delivery for more information.

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

How-to Video:

(03:08 min)