The Blue Bird All American FE A3 1999 Through 2014 Winterfronts are a practical solution for colder climates. Available in yellow, these winterfronts are recommended for use when the air temperature consistently drops below 40 degrees Fahrenheit. Each winterfront is sold individually and fits most Blue Bird All American A3 Series from 1999 through 2014. Please note that drilling is required for installation. Stay prepared and keep your vehicle protected with these reliable winterfronts.