Upgrade your Peterbilt truck with the Peterbilt Aluminum Battery Box Lid Replacement with Top Step. This durable lid features a 30-3/8 inch width, 16 inch height, and 16 inch depth, making it a practical and functional addition to your vehicle. The tread pattern on the front and sides, along with the punched style pattern on the step, provide added safety and convenience. With a hook on both sides, this lid is easy to install and fits most Peterbilt makes and models. Enhance your truck's accessibility and functionality with this top-quality battery box lid replacement.