Replaces

O2 Oxygen Sensor Walker Products 250-21028 - WKEOS00002

Walker Products Oxygen Sensor: 250-21028

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 Sensor
  • 1 wire configuration
  • Replaces dealer part numbers: 12563312, 21022987, 21025117, 24576682, 24576791, 8245767910, 82457 67910, 21022987, 21025117
  • 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.

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.

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.

  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
1999Chevy Cavalier Chevy Cavalier L4 2.2L Upstream O2 Oxygen Sensor Walker Products 250-21028
1999Chevy Cavalier Chevy Cavalier L4 2.4L Upstream O2 Oxygen Sensor Walker Products 250-21028
1999Chevy Malibu Chevy Malibu L4 2.4L Upstream O2 Oxygen Sensor Walker Products 250-21028
1999-2000Chevy S10 Pickup Chevy S10 Pickup L4 2.2L Upstream O2 Oxygen Sensor Walker Products 250-21028
1999-2000GMC S-15 Sonoma GMC S-15 Sonoma L4 2.2L Upstream O2 Oxygen Sensor Walker Products 250-21028
1999-2000Isuzu Hombre Isuzu Hombre L4 2.2L Upstream O2 Oxygen Sensor Walker Products 250-21028
1999Oldsmobile Alero Olds Alero L4 2.4L Upstream O2 Oxygen Sensor Walker Products 250-21028
1999Pontiac Grand Am Pontiac Grand Am L4 2.4L EGR Valve Upstream O2 Oxygen Sensor Walker Products 250-21028
1999Pontiac Sunfire Pontiac Sunfire L4 2.4L Upstream O2 Oxygen Sensor Walker Products 250-21028
1999Pontiac Sunfire Pontiac Sunfire L4 2.2L Upstream O2 Oxygen Sensor Walker Products 250-21028
1995-2002Saturn SC Coupe Saturn SC Coupe L4 1.9L Upstream O2 Oxygen Sensor Walker Products 250-21028
1995-2002Saturn SL Sedan Saturn SL Sedan L4 1.9L Upstream O2 Oxygen Sensor Walker Products 250-21028
1995-2001Saturn SW Wagon Saturn SW Wagon L4 1.9L Upstream O2 Oxygen Sensor Walker Products 250-21028

This part replaces:

  • Walker Products 250-21028
Only 1 left in stock
Part #: WKEOS00002


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 #: 250-21028

How-to Video:

(03:08 min)