Replace the broken mirror on your 2017-2019 Chevy/GMC 6.6L L5P Duramax. If you are towing with your vehicle, telescoping mirrors extend out further in order to provide you with better vision of your trailer. OE-style replacement mirrors install smoothly into the factory location and help maintain the stock look of your vehicle. Spyder, Dorman, and other manufacturers offer Mirrors you need for visibility around your vehicle.