The Kenworth T660 Radiator Fan Shroud is a direct replacement for the OEM N4175001, offering a practical solution for Kenworth T660 models. Made of fiberglass, this fan shroud is designed with pre-drilled holes and gel-coated on the inside to enhance air flow. Manufactured in the U.S.A., it ensures durability and reliability. With its easy installation and compatibility with most Kenworth T660 models, this radiator fan shroud provides an efficient and effective cooling solution.