Upgrade your Peterbilt 377, 378, or 379 with this direct replacement radiator fan shroud, designed to fit most models. Made of durable fiberglass with pre-drilled holes and gel-coated on the inside for improved airflow, this fan shroud is a practical and reliable choice. Manufactured in the U.S.A., this product is a direct replacement for OEM part numbers 07-06684M003, 07-06684M002, 07-06684M001, and 07-06685M002. Sold individually, this radiator fan shroud is a cost-effective solution for keeping your Peterbilt running smoothly.