Replaces

O2 Oxygen Sensor Walker Products 250-23121 - WKEOS00007

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How-To & Tools
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Vehicle Fit

Walker Products Oxygen Sensor: 250-23121

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 (15.25 Inches)
  • Upstream Sensor
  • 3 wire configuration
  • Replaces dealer part numbers: 226900Z800, 22690 0Z800, 226900Z801, 22690 0Z801, 226904M805, 22690 4M805, 226904M806, 22690 4M806, 226904M815, 22690 4M815, 226905M013, 22690 5M013, 226905M014, 22690 5M014, 226905S500, 22690 5S500, 226905S501, 22690 5S501, 226913Y100, 22691 3Y100, 226913Y101, 22691 3Y101, 226915M013, 22691 5M013, 226915M014, 22691 5M014
  • 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 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:  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 www.P65Warnings.ca.gov.

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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Year Make Model Description
2000Infiniti G20 Infiniti G20 L4 2.0L Upstream O2 Oxygen Sensor Walker Products 250-23121
2001Infiniti G20 Infiniti G20 L4 2.0L (Built Before 1/01 Production Date) Upstream O2 Oxygen Sensor Walker Products 250-23121
2000-2001Infiniti I30 Infiniti I30 V6 3.0L Rear Bank Upstream O2 Oxygen Sensor Walker Products 250-23121
2000Nissan Altima Nissan Altima L4 2.4L Upstream O2 Oxygen Sensor Walker Products 250-23121
2001Nissan Altima Nissan Altima L4 2.4L (Built Before 12/00 Production Date) Upstream O2 Oxygen Sensor Walker Products 250-23121
2001Nissan Frontier Nissan Frontier L4 2.4L Upstream O2 Oxygen Sensor Walker Products 250-23121
2000Nissan Maxima Nissan Maxima V6 3.0L California Emissions Front Bank Upstream O2 Oxygen Sensor Walker Products 250-23121
2001Nissan Maxima Nissan Maxima V6 3.0L Front Bank Upstream O2 Oxygen Sensor Walker Products 250-23121
2000-2001Nissan Sentra Nissan Sentra L4 2.0L Upstream O2 Oxygen Sensor Walker Products 250-23121
2000Nissan Sentra Nissan Sentra L4 1.8L Upstream O2 Oxygen Sensor Walker Products 250-23121
2001Nissan Sentra Nissan Sentra L4 1.8L (excluding Clean Air Vehicle (CAV)) (Built Before 3/01 Production Date) Upstream O2 Oxygen Sensor Walker Products 250-23121
Only 1 left in stock
Part #: WKEOS00007


Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

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Walker Products
Brand #: 250-23121

How-to Video:

(03:08 min)