Honda Accord O2 Oxygen Sensor - 1AEOS00209

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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 testing.

Parts cannot be returned after they have been installed. Contact us with any questions before installing the parts.

What is Upstream vs. Downstream?

  • Upstream location is between the catalytic converter and the engine
  • Downstream location is between the catalytic converter and the tailpipe


Item Condition: New

Lifetime Warranty

This item is backed by our limited lifetime warranty. In the event this item should fail due to manufacturing defects during intended use, we will replace the part free of charge.

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Customer Q&A
Ask a question to 1A Auto customers who purchased the product
Are these heated sensors?
R J October 1, 2019
This sensor is built to your vehicles exact OEM specifications. It will fit and function just the same as the Original. If the original sensor was heated this would be the same design. Please let us know if you have any other questions.
Jessica D October 1, 2019
Year Make Model Description
2008-2009Honda Accord Honda Accord V6 3.5L Federal Emissions Downstream O2 Oxygen Sensor
2010-2012Honda Accord Honda Accord Coupe V6 3.5L Front Bank Downstream O2 Oxygen Sensor
Part 1AEOS00209
In Stock

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Deliveries made to PO Boxes and FPO may take longer. See our Shipping & Delivery for more information.