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Home > Chevy > Blazer S10 > Oxygen Sensors > 1996-2001 Chevy Blazer S10 Upstream or Downstream O2 Oxygen Sensor for V6 4.3L (Walker Products)

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1996 - 2001 Chevy Blazer S10 Upstream or Downstream O2 Oxygen Sensor for V6 4.3L (Walker Products)


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

List Price:$164.99
Our Price: $55.45
 (You Save $109.54)

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Part Number: WKEOS00012

Welcome Message from 1A Auto

Walker Products Oxygen Sensor: 250-24012

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 (15 Inches)
  • Upstream or Downstream Sensor
    • as listed per application
    • used on some applications that do not use a downstream sensor
  • 4 wire configuration
  • Replaces dealer part numbers: 96335927, 19178117, 19178918, 19178937, 25132819, 25133504, 25133791, 25161151, 25163079, 25165313, 25171579, 25312184, 25312188, 25312200, 25315809, 96453246, 8251630790, 82516 30790, 8251653130, 82516 53130, 8253121840, 82531 21840, 8251337910, 82513 37910, 8253121880, 82531 21880, 8253122000, 82531 22000, 8253252660, 82532 52660
  • 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 # 250-24012

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