This part is a sensor, heated oxygen (position 1), for General Motors cars. It fits for General Motors vehicles which were sold in the U.S., Europe, and UK. It's a genuine General Motors part with an OEM part number 12581997. Please keep in mind that this sensor was replaced with 12581687 for the U.S. market on May 1, 2004.
This sensor 100% fits for General Motors cars. It's made of top quality materials, it has passed not only all manufacturer's tests but also General Motors quality control and has to endure rough road conditions over a long time.
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