O2 Oxygen Sensor Walker Products 250-24155 - WKEOS00123

Walker Products Oxygen Sensor: 250-24155

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 (25.75 Inches)
  • Downstream Sensor
    • as listed per application
  • 2 bolt flange mounting
  • 4 wire configuration
  • Replaces dealer part numbers: 8946504010, 89465 04010, 8946509090, 89465 09090, 8946529525, 89465 29525, 8946529895, 89465 29895, 8946539705, 89465 39705, 8946549065, 89465 49065, 8946580019, 89465 80019, 8946580029, 89465 80029
  • 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 or fail an emission test then this is the part for you.

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. Please keep your invoice for proof of this warranty.

  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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How-to Video:

(03:08 min)

Tools List:

    1A - No Tools Needed

  • No Tools Needed

This part replaces:

  • Walker Products 250-24155

Vehicle Fit

  • 1992-1997 Lexus SC300 Downstream O2 Oxygen Sensor L6 3.0L Walker Products 250-24155
  • 1999 Toyota 4Runner Downstream O2 Oxygen Sensor V6 3.4L California Emissions Walker Products 250-24155
  • 2000 Toyota 4Runner 2 Wheel Drive Downstream O2 Oxygen Sensor V6 3.4L California Emissions Walker Products 250-24155
  • 1998-2000 Toyota Rav4 Downstream O2 Oxygen Sensor L4 2.0L Walker Products 250-24155
  • 1994 Toyota T100 4 Wheel Drive Downstream O2 Oxygen Sensor V6 3.0L Walker Products 250-24155
Only 1 left in stock
Part #: WKEOS00123

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Walker Products
Brand #: 250-24155

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Customer Feedback

"Thanks for the fast reliable service. Great price, and the headlights were as good as oem or better!!! Keep up the good work..."
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