ReplacementCorp, one of the largest factory electronics websites, has branched out!! If you?ve been to our site, you know we have a HUGE selection of OEM parts and compatible accessories. Now we?re offering a few select products here too. Same great ReplacementCorp quality.....in a new location. SUMMARY OEM garage door opener transmitter For the HomeLink system Activates RF devices Garage door, gate, light, security system, etc Programmable for control of up to 3 devices Has never been installed in a vehicle New Old Stock assembly line leftover Comes exactly as pictured Does not include pigtail harness But it is available in listing 392520004625 Excellent condition May have minor scuffs and scrapes From being in a bulk box But it's not seen after install anyway Does not include any wiring But we sell the cable in our store Search there for HomeLink cable Don't pay $145 through GM! Don't pay $100 on this very site Factory original GM Delco part For replacement use only We cannot provide assistance on upgrades GM part number 84084126 Superceded by 84389021 Match one of these to yours DETAILS This is an original Homelink garage door opener transmitter for GM vehicles. The Home link system gives drivers unprecedented command over their homes right from the driver's seat. This HomeLink module has switches for three buttons that can be programmed to control RF-activated devices including garage doors, gates, lighting and other enabled devices. Don't pay $100 on this very site! Get it from ReplacementCorp for a fraction of the price. Please note: the button trim piece is not included and wiring is not included. (Which is why they are not pictured.) They are separate part numbers. However, we do have them available for some vehicles, if yours happens to be broken too. Just message us. It will come exactly as pictured. It is a New Old Stock (NOS) assembly line leftover part, so it has never been in a vehicle. Please match your current part number to one of them in this ad. If you don't purchase the correct number, it won't work for you. There was more than one HomeLink system offered!! If you are purchasing this to upgrade your vehicle, you should expect to do a little work. The intent of our ad is clearly for replacement. We're not a custom shop or an install shop, so we can't tell you what you'll need to do to make it work for you if you don't have this number now. If other parts (wiring, etc) are required for use of this piece, you will need to obtain them. You should have this planned out in advance. We do not guarantee it will work for you simply because your year and model is listed. The application list is merely a starting point. This does not come with any wiring but the pigtail harness is available in listing 392520004625. APPLICATIONS We do not guarantee it will work for you simply because your year and model is listed. The application list is merely a starting point. GM offered more than one version of the HomeLink system! Match your part number to one of them we've provided. Cadillac Escalade: 2017-2018 Cadillac XT5: 2017-2018 Chevy Malibu: 2018 Chevy Silverado: 2017-2019 Chevy Suburban: 2017-2018 Chevy Tahoe: 2017-2018 Chevy Traverse: 2018 GMC Acadia: 2017-2018 GMC Sierra: 2017-2019 GMC Yukon: 2017-2018 SHIPPING, HANDLING RETURNS Shipping cost is based on weight and zip code. This site does the figuring, not us. If you feel their calculation is high, you might be underestimating the package weight and/or current shipping costs from our zip code (62401) to yours. Please don't ding us for shipping in the ratings, as we have no control over ever-increasing carrier rates. We will enter a tracking number into your order details here on the site. They will email it to you if your notification preferences are set correctly. A signature is not typically required. If you are not home to receive the package, it will most likely be left at your door. Please monitor it's progress and arrange to collect it when it arrives. This site provides a section/tab in each ad for Shipping information. We encourage you to check that section for prices, methods, time-frames, etc.