The Peterbilt 379 Door Panel is a practical and reliable solution for your truck. Made of fiberglass, this door panel is sold as a pair and is designed to fit most Peterbilt 379 models with straight windows. Its sturdy construction ensures durability and long-lasting performance. With its straightforward installation process, this door panel is a convenient choice for truck owners. Enhance the functionality and appearance of your Peterbilt 379 with this reliable and easy-to-use door panel.