Replaces

Subaru O2 Oxygen Sensor Walker Products 250-23091 - WKEOS00105

Walker Products Oxygen Sensor: 250-23091

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.

Specifications:

  • Brand New Walker Oxygen Sensor
  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (15.75 Inches)
  • Upstream or Downstream Sensor
    • as listed per application
  • 3 wire configuration
  • Replaces dealer part numbers: 226A10W011, 226A1 0W011, 22690AA290, 22690 AA290, 22690AA350, 22690 AA350
  • 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.

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.

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

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Vehicle Fit

Year Make Model Description
1998-1999Subaru Forester Subaru Forester H4 2.5L Upstream O2 Oxygen Sensor Walker Products 250-23091
1998Subaru Impreza Subaru Impreza H4 2.2L Downstream O2 Oxygen Sensor Walker Products 250-23091
1998Subaru Impreza Subaru Impreza H4 2.5L Downstream O2 Oxygen Sensor Walker Products 250-23091
1999Subaru Impreza Subaru Impreza H4 2.2L (excluding California Emissions) Upstream O2 Oxygen Sensor Walker Products 250-23091
1998Subaru Impreza Outback Subaru Impreza Outback H4 2.2L Downstream O2 Oxygen Sensor Walker Products 250-23091
1998Subaru Impreza Outback Subaru Impreza Outback H4 2.5L Downstream O2 Oxygen Sensor Walker Products 250-23091
1999Subaru Impreza Outback Subaru Impreza Outback H4 2.2L (excluding California Emissions) Upstream O2 Oxygen Sensor Walker Products 250-23091
1996-1999Subaru Legacy Subaru Legacy H4 2.5L Upstream O2 Oxygen Sensor Walker Products 250-23091
1996-1998Subaru Legacy Subaru Legacy H4 2.2L Upstream O2 Oxygen Sensor Walker Products 250-23091
1999Subaru Legacy Subaru Legacy H4 2.2L (excluding California Emissions) Upstream O2 Oxygen Sensor Walker Products 250-23091
1996-1999Subaru Legacy Outback Subaru Legacy Outback H4 2.5L Upstream O2 Oxygen Sensor Walker Products 250-23091

This part replaces:

  • Walker Products 250-23091
Only 2 left in stock
Part #: WKEOS00105


Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

Walker Products
Brand #: 250-23091

How-to Video:

(03:08 min)