Maximize your Peterbilt 384, 386, 387, or 587 with this stainless steel upper and lower replacement step designed for long-lasting durability and a clean, professional finish. Manufactured from high-quality 304 stainless steel, this aftermarket step is built to resist corrosion and withstand heavy-duty daily use in demanding environments. It is available as both an upper and lower replacement option, each sold individually, and is engineered for a direct-fit application that helps restore safe, reliable footing to your truck's entry points. Designed for compatibility with models from 1999 through 2017 depending on configuration, it offers a practical replacement for factory steps. Each unit is backed by a manufacturer warranty against defects in materials and workmanship. Fitment should always be verified before purchase to ensure proper installation and alignment with your specific truck model.