Description
Warranty & Shipping
How-To & Tools
Product Reviews
Q&A
Vehicle Fit

Specifications:

  • Brand New Oxygen Sensor
  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (17.75 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

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

WARNING: Cancer and Reproductive Harm - 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

5.00/ 5.0
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customer service
I recently ordered these o2 sensos for my sons car. Great price and quick shipping. Ended up having other issue with car so didnt install them. Sent message to return items and was very pleased with quick response and the way they handled it. I will be dealing with them again. Thank you.
October 22, 2017
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Customer Q&A
Ask a question to 1A Auto customers who purchased the product
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Year Make Model Description
1999Chevy Cavalier Chevy Cavalier L4 2.4L Upstream O2 Oxygen Sensor
1999Chevy Cavalier Chevy Cavalier L4 2.2L Upstream O2 Oxygen Sensor
1999Chevy Malibu Chevy Malibu L4 2.4L Upstream O2 Oxygen Sensor
1999-2000Chevy S10 Pickup Chevy S10 Pickup L4 2.2L Upstream O2 Oxygen Sensor
1999-2000GMC S-15 Sonoma GMC S-15 Sonoma L4 2.2L Upstream O2 Oxygen Sensor
1999-2000Isuzu Hombre Isuzu Hombre L4 2.2L Upstream O2 Oxygen Sensor
1999Oldsmobile Alero Olds Alero L4 2.4L Upstream O2 Oxygen Sensor
1999Pontiac Grand Am Pontiac Grand Am L4 2.4L EGR Valve Upstream O2 Oxygen Sensor
1999Pontiac Sunfire Pontiac Sunfire L4 2.4L Upstream O2 Oxygen Sensor
1999Pontiac Sunfire Pontiac Sunfire L4 2.2L Upstream O2 Oxygen Sensor
1995-2002Saturn SC1 Saturn SC1 Upstream O2 Oxygen Sensor
1995-2002Saturn SC2 Saturn SC2 Upstream O2 Oxygen Sensor
1995-2002Saturn SL Saturn SL Upstream O2 Oxygen Sensor
1995-2002Saturn SL1 Saturn SL1 Upstream O2 Oxygen Sensor
1995-2002Saturn SL2 Saturn SL2 Upstream O2 Oxygen Sensor
1995-1999Saturn SW1 Saturn SW1 Upstream O2 Oxygen Sensor
1995-2001Saturn SW2 Saturn SW2 Upstream O2 Oxygen Sensor
Part #: 1AEOS00123


Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

How-to Video:

(03:08 min)