The Peterbilt 388 and 389 Hood Insulation is a practical and beneficial product for Peterbilt 388 and 389 models. Made with black urethane and measuring 1 1/2 inches thick, this insulation is available for both left and right sides. It reduces heat distribution on the hood and minimizes vibration, providing a comfortable and smooth driving experience. This direct replacement for the OEM part number L72-6007 is sold individually and can be easily cut to size. Improve your truck's performance and protect its hood with this reliable and durable hood insulation.