Is your check engine light on, or is your car running rough, hesitating, or getting bad gas mileage? A faulty Mass Air Flow (MAF) sensor could be the culprit. This is a direct replacement MAF sensor designed to be compatible with a wide range of GM and Isuzu vehicles. The part matches OE numbers like AFH70M-43A and supersedes numbers like 15865791. Fitment includes many models from 2005-2015, such as the Buick LaCrosse, Chevy Cobalt/Corvette/Equinox, Cadillac SRX, GMC Canyon, Hummer H3, Pontiac G6, Saturn Vue, and more – PLEASE double-check the full list in the description to confirm it fits your specific year, make, and model before ordering. The package includes one sensor as shown in the pictures. Installing a new MAF sensor can restore proper air/fuel mixture, improve engine performance, and boost fuel efficiency. The seller offers customer support if you have any issues with the product. A straightforward fix for a common problem.