The Complete Battery Box Slip Cover for Peterbilt 359, 379, and 389 models is a practical and versatile solution for OEM Non-DPF/DEF boxes. Made of durable stainless steel, this paintable slip cover provides a complete cover for your battery box, ensuring protection and a clean appearance. With its easy installation and compatibility with most Peterbilt 359, 379, and 389 models, this 1-piece slip cover is a reliable choice for truck owners. Enhance the functionality and aesthetics of your truck with the 12 Gauge Customs Complete Battery Box Slip Cover.