Toyota Lexus (Air / Fuel Ratio) O2 Oxygen Sensor Walker Products 250-54008 - WKEOS00143

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Part Details

  • Sensor Type:   Air / Fuel Ratio

Walker Products Oxygen Sensor: 250-54008

Walker Products, an ISO 9001-2008 / TS16949 certified company, specializes in the manufacturing and distribution of Fuel System Components and Automotive Engine Management products. Walker is committed to meeting or exceeding OEM or equivalent standards and specifications. This effort is backed by Walker's own manufacturing, product management and engineering expertise.


  • Brand New Walker Oxygen Sensor
  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (9.50 Inches)
  • Upstream Sensor
    • Air Fuel Ratio
  • 4 wire configuration
  • Replaces dealer part numbers: 8946706010, 89467 06010, 8946706020, 89467 06020, 8946708020, 89467 08020, 8946708040, 89467 08040, 8946733060, 89467 33060, 8946748180, 89467 48180, 8946760010, 89467 60010
  • 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

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 testing.

Parts cannot be returned after they have been installed. Contact us with any questions before installing the parts.

Item Condition: New

Attention California Customers:

WARNING:  This product can expose you to chemicals including Lead and Lead Compounds, which are known to the State of California to cause cancer, and birth defects or other reproductive harm.  For more information, go to

Lifetime Warranty

This item is backed by our limited lifetime warranty. In the event this item should fail due to manufacturing defects during intended use, we will replace the part free of charge.

  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

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Year Make Model Description
2004-2006Lexus ES330 Lexus ES330 V6 3.3L Front Bank Upstream (Air / Fuel Ratio) O2 Oxygen Sensor
2006-2008Lexus RX400h Lexus RX400h V6 3.3L Front Bank Upstream (Air / Fuel Ratio) O2 Oxygen Sensor
2003-2004Toyota 4Runner Toyota 4Runner V6 4.0L Upstream (Air / Fuel Ratio) O2 Oxygen Sensor
2004-2006Toyota Camry Toyota Camry V6 3.3L Rear Bank Upstream (Air / Fuel Ratio) O2 Oxygen Sensor
2009-2011Toyota Highlander Toyota Highlander L4 2.7L Upstream (Air / Fuel Ratio) O2 Oxygen Sensor
2004-2008Toyota Solara Toyota Solara V6 3.3L Rear Bank Upstream (Air / Fuel Ratio) O2 Oxygen Sensor
Only 1 left in stock
Part WKEOS00143
In Stock

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

Walker Products
Brand #: 250-54008