The Peterbilt 579 Cab Panels With Heater Plug Holes are a practical and beneficial addition to your Peterbilt 579 model. Made from stainless steel, these cab panels come with a heater plug hole included, making them convenient for cold weather conditions. Sold in pairs, they are easy to install with the included mounting hardware. These cab panels not only enhance the appearance of your truck but also provide functionality and protection. Upgrade your Peterbilt 579 with these cab panels to ensure a comfortable and efficient driving experience.