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Home > Infiniti > G20 > Oxygen Sensors > 2001-2002 Infiniti G20 Upstream O2 Oxygen Sensor for L4 2.0L (Walker Products)

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2001 - 2002 Infiniti G20 Upstream O2 Oxygen Sensor for L4 2.0L (Walker Products)


In Stock (Ships same day for orders placed by 3 PM ET)

List Price:$265.69
Our Price: $110.45
 (You Save $155.24)

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Part Number: WKEOS00107

Welcome Message from 1A Auto

Walker Products Oxygen Sensor: 250-23131

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 (19.75 Inches)
  • Upstream Sensor
    • as listed per application
  • 3 wire configuration
  • Replaces dealer part numbers: 226904J901, 22690 4J901, 226904J903, 22690 4J903, 226904W020, 22690 4W020, 226904W021, 22690 4W021, 226905S510, 22690 5S510, 226905S511, 22690 5S511, 226909E800, 22690 9E800, 226909E801, 22690 9E801, 226909M600, 22690 9M600, 226909M601, 22690 9M601, 226918J101, 22691 8J101, 226919M601, 22691 9M601
  • 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.

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

1 Year Warranty

This item is backed by a 1 Year Manufacturers Warranty. In the event this item should fail 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.

Part Brand: Walker Products # 250-23131

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