This Hood Insulation is specifically designed for Kenworth W900L 2003 through 2007 hoods. Made with black urethane, it comes as a kit and is pre-cut to size for easy installation. With a thickness of 1 1/2 inches, it serves as a direct replacement for OEM part number L72-1008. This insulation reduces heat distribution on the hood, providing practical benefits for your Kenworth W900L. It fits most Kenworth W900L 2003-2007 makes and models, making it a reliable and efficient choice for your truck.