Westin's HDX DEF Tank Skid Plate has a durable 7 gauge steel main body that protects your vehicle's DEF tank with stronger metal than an OEM shield. With bolt-on installation and no drilling required, it replaces the thin OEM DEF Tank shield and plastic cover to defend against punctures and other damage caused by road debris. Our HDX DEF Tank Skid Plate includes a lighter 12 gauge front cover to give your truck a finished look and easy access to your DEF tank. It mounts directly to the frame and OEM L-brackets that hold the DEF tank, and includes an aluminum HDX badge as well as mounting hardware.