This part is a sensor, heated oxygen (position 1) (in exhaust manifold/crossover), for Chevrolet, Buick, and Pontiac cars. It fits for Chevrolet Impala / Monte Carlo, and Lumina / Impala / Monte Carlo, Buick Lucerne, Lacrosse / Allure, Park Avenue, Lesabre, Century, and Century / Regal, Pontiac Grand Prix, and Bonneville for the U.S. from 2004 to 2009. It's a genuine General Motors part with an OEM part number 12574218, and a corresponding ACDelco part number 12574218. Please keep in mind that this sensor is interchangeable with 19209814 for the U.S. market since November 1, 2012, and was replaced with 19209814 for Canada market on September 3, 2012.
This sensor has dimensions 2.30 in × 6.00 in × 4.10 in, it has a weight of 3.68 ounces, usually, it comes in a set of 1 item in retail packaging. Bulk packaging options for wholesale buyers are also available and include as follows: a cardboard box of 6 units (UPC-A: 40021625023005), and a pallet of 150 cardboard boxes with a total of 900 units (UPC-A: 60021625023009).
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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