The Electrolux 316531983 Range Main Cooktop Glass Black. This replacement cooktop glass panel is designed to serve as the primary cooking surface for compatible ranges, providing support for cookware while protecting the components located beneath. It works by covering the heating elements and allowing heat to transfer efficiently to pots and pans during cooking. The black glass finish offers a smooth surface that is easy to wipe clean and helps maintain the appliance'ss original appearance. Replacing a cracked or damaged cooktop glass can improve safety, preserve usability, and support reliable day-to-day cooking performance while keeping the range looking well maintained.