The Kenworth T660 Radiator Fan Shroud is a direct replacement for the OEM N4174001, making it a practical and reliable choice for Kenworth T660 models. Made of fiberglass, this fan shroud is designed with pre-drilled holes and gel-coated on the inside to improve air flow. Each shroud is sold individually and proudly made in the U.S.A. With its direct fit and high-quality construction, this radiator fan shroud ensures optimal performance and durability. Upgrade your Kenworth T660 with this reliable and efficient replacement part.