The Peterbilt 388 and 389 2010 and newer one-piece 6-inch wide cab and wide replacement panel with urea system cutout is a practical and efficient solution for your Peterbilt 389 2010 and newer models. Made of stainless steel, this one-piece wide replacement panel is designed to fit most Peterbilt 389 models. The driver side measures 6 inches long, while the small replacement passenger side measures 2-1/4 inches long. Sold in pairs and including hardware, this panel also features a urea system cutout for added convenience. Upgrade your cab with this reliable and durable replacement panel.