The Peterbilt 379 Extended Hood Inner Panel is a practical and reliable solution for your truck. Made of durable aluminum, it is available for both left and right sides. With pre-drilled holes, it offers easy installation. This panel is designed to be a direct replacement for OEM parts, with the same thickness and shape. Specifically, the left side replaces OEM Part Number 13-03577L, while the right side replaces OEM Part Number 13-03577R. It fits most Peterbilt 379 127 Inch Extended Hoods, making it a versatile and convenient choice for truck owners.