Reinforce your truck's structural support with Peterbilt 379 Frame Crossmembers & Covers. This line of aftermarket products and accessories includes high-quality steel and stainless steel rear frame covers, replacement cross members, and other essential components to keep your truck's frame in top condition. Handle the demands of commercial hauling with the best-in-class cross members featuring durable, stainless steel materials, corrosion-resistant finishes, and easy installation instructions. If you're looking for improved structural integrity for your frame, secure mounting points, and better load management, invest in quality frame cross members and covers to bolster your Peterbilt 379.