Peterbilt 330/335/337 Winter Fronts & Bug Screens Keep your truck safe in the winter with these super-important accessories. They offer a big selection of non-quilted vinyl winter fronts and the hardware kits made specifically for Peterbilt models 330, 335, and 337. You can choose between the standard diamond cutout and OE style designs in either black or white to help keep your engine warm and junk from building up on your radiator. These tough, easy-to-install accessories make your ride better in the cold and help keep the airflow to all the important bits just right. Whether you want a complete winter front system or just the replacement bits, this section covers everything Peterbilt owners need to keep their trucks running strong all season long.