This part is a sensor, heated oxygen (pre-catalyst b1s1), for Chevrolet, Chevrolet Trucks, Buick, Saturn, and Pontiac cars. It fits for Chevrolet Orlando, and Malibu (New Model), Chevrolet Trucks Orlando, Buick Lacrosse / Allure, Regal, and Verano, Saturn Aura, Pontiac G6 for the U.S. from 2008 to 2013. It's a genuine General Motors part with an OEM part number 12617648, and a corresponding ACDelco part number 213-4682. Please keep in mind that this sensor is interchangeable with 12616502 for the U.S. market since February 1, 2012, and was replaced with 12616502 for Canada market on April 16, 2010.
This sensor has a weight of 3.52 ounces, usually, it comes in a set of 1 item in retail packaging.
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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