Ford Mazda Lincoln Mercury O2 Oxygen Sensor - 1AEOS00190

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.

step : Determining Your Emissions Specification (0:19)

• Open your hood
• Locate your catalyst sticker
• If the sticker says "This vehicle conforms to California regulations," you have a California emissions vehicle
• If the sticker says "This vehicle conforms to US EPA regulations," you have a federal emissions vehicle
• If the sticker lists both EPA and California regulations, you have a California emissions vehicle