The Peterbilt 377, 378, 379 Radiator Fan Shroud is a direct replacement for OEM part numbers F22-6031M01 and F22-6014M03. Made of fiberglass, it features pre-drilled holes and is gel-coated on the inside for improved air flow. Sold individually and made in the U.S.A., this fan shroud fits most Peterbilt 377, 378, 379 models. It offers a practical and durable solution for radiator fan replacement, ensuring efficient cooling and optimal performance. With its direct compatibility and high-quality construction, this fan shroud is a reliable choice for maintaining your Peterbilt truck's cooling system.