The Peterbilt DEF Cap Cover is a practical and stylish addition to your truck. Made of durable chrome plastic, this cover is designed specifically for Peterbilts and is easy to install with double-sided tape. Sold individually, this cap cover is a cost-effective way to protect your DEF cap while adding a touch of style to your vehicle. Its sleek design not only looks great but also helps to prevent dirt and debris from getting into your DEF tank. Upgrade your truck with the Peterbilt DEF Cap Cover today.