The Peterbilt 388 and 389 2007 and newer air cleaner support box is a practical and stylish addition to your truck. Available in stainless steel, it features five or seven 2 inch round light holes for a strapless look. Sold in pairs, it fits most Peterbilt 388 and 389 2007 and newer models. The LED cutouts add a modern touch while providing extra visibility on the road. Upgrade your truck's appearance and functionality with this air cleaner support box.