Whether you use your GMC Sierra 3500 for work or for personal use, you can make your truck suit your personal tastes for performance and style with the right upgrades. At American Trucks, we offer a huge range of Sierra 3500 aftermarket accessories to choose from. There are so many options that it can be overwhelming deciding which wheels, lights, body upgrades, and more you want. While we offer clear product photos and parts specifications, sometimes it helps to see products installed on other trucks out in the world. That's what this GMC Sierra 3500 Customer Builds page is dedicated to. Scroll down this page to see parts installed on different Sierra trucks. Look through thousands of customer photos and videos and get ideas about which parts to add to your truck. You can see bed covers, lift kits and many other enhancements installed in Sierra 3500 trucks by looking at these customer photos. Enjoy the photos and reviews and add some of your own after you get your upgrades installed.