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Home > Cadillac > Eldorado > Oxygen Sensors > 2000-2002 Cadillac Eldorado Downstream O2 Oxygen Sensor

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2000 - 2002 Cadillac Eldorado Downstream O2 Oxygen Sensor


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

List Price:$155.55
Our Price: $40.45
 (You Save $115.10)

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Part Number: 1AEOS00114

Welcome Message from 1A Auto

This replacement oxygen sensor is just what you need to get your vehicle in good working form again!


  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (23.6 Inches)
  • Upstream or Downstream Sensor
    • as listed per application
  • 4 wire configuration
  • Replaces dealer part numbers: 12558849, 12559848, 12559849, 12561777, 12562621, 12567163, 12567497, 12570149, 12572772, 12575389, 12583806, 12596619, 25333812, 8125671630, 81256 71630
  • Built and tested to strict quality control standards

Note: For Express / Savana Van models used 1st & 2nd design sensors:

  • 1st Design is marked OE# 25333812
  • 2st Design is marked OE#19209805

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 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.

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