This part is a sensor, oxygen (position 3) (post converter), for Chevrolet cars. It fits for Chevrolet Prizm, and Nova for the U.S. from 1990 to 1992. It's a genuine General Motors part with an OEM part number 94851748, and a corresponding ACDelco part number 213-433. Please keep in mind that this sensor is discontinued for the U.S. market since October 1, 2012, and is discontinued for Canada market since February 28, 2009.
This sensor has dimensions 3.10 in × 9.00 in × 2.70 in, 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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