The Stainless Steel Diagnostic Shutdown Overdrive Switch Plate is a practical and reliable product designed to fit most Peterbilt makes and models. Made from high-quality stainless steel, this switch plate ensures durability and longevity. With its diagnostic shutdown and overdrive switch functionality, it provides convenience and ease of use. Sold individually, this switch plate is a must-have for any Peterbilt owner looking for a reliable and efficient solution. Upgrade your truck with this stainless steel switch plate for enhanced functionality and peace of mind on the road.