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Customer Service

  • Monday to Friday: 8am - 6pm EST
  • Saturday/Sunday: Closed


  • Monday to Saturday: 8am - midnight EST
  • Sunday: 9am - 10pm EST

DiamondBack Tonneau Cover Side Boxes

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    • Constructed from diamond plate aluminum
    • Stainless steel hardware
    • Only works with DiamondBack HD, SE, and 270 tonneau covers
    • Bolts directly to the tonneau cover
    • Manufactured in the USA

    Organize your tools and accessories using the DiamondBack Side Boxes. The side boxes bolt on directly to the Diamondback HD, SE or 270 tonneau covers, so no drilling to your truck is required. Constructed from diamond plate aluminum for durability and stainless steel hardware is provided for the installation. When you purchase the side boxes you will receive boxes both driver and passenger sides, to give you the more room to store your items in.

    View Available Part Numbers For This Product Line


    Limited Lifetime Warranty

    DiamondBack warrants the DiamondBack Side Boxes for the lifetime that you own the product against any workmanship and product defects.


    Easy bolt on application utilizing stainless steel hardware. Bolts Directly to DiamondBack HD, SE, and 270 tonneau covers only.