The Peterbilt 388 and 389 2008 and newer sleeper skirt end cap is a practical and durable addition to your truck. Made of stainless steel, these end caps are designed for 70-inch sleeper models without extenders and are 4 inches wide. Sold in pairs and easy to attach using the supplied hardware, they fit most Peterbilt 388 and 389 2008 and newer makes and models. Upgrade your truck with these sleek and functional end caps, available in stainless steel for a polished look that will last for years to come.