Hey car guys and DIY mechanics! If you're dealing with AC issues in your GM vehicle, this 2-pack of relays might be exactly what you need. This is the 12088567 part number that fits a ton of GM vehicles - we're talking Buick, Cadillac, Chevrolet, GMC, Pontiac and more. Actually works with like 842 different vehicles according to the manufacturer! These are brand new relays made with quality materials for better durability and performance. They're all factory tested before shipping too, so you know you're getting something reliable. Now, a couple of important notes - definitely double check that this part number matches what you need before ordering. If you're not sure, just contact the seller with your VIN, year, make and model and they'll verify fitment for you. If you're not super experienced with car repairs, maybe watch a YouTube installation video first - it's actually pretty straightforward and only takes a few minutes. Save yourself some serious money by doing it yourself instead of paying shop rates. The package comes with 2 relays so you've got a backup. Just so you know, there might be some minor cosmetic stuff from manufacturing, but it doesn't affect how they work. These are perfect for fixing AC compressor issues, but they also work for ECM flashers, starter, ignition, horn - pretty versatile little components!