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Buyers Products Aluminum Semi-Trailer Toolbox Mounting Brackets

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  • Manufactured from high-strength, lightweight aluminum
  • Available in 2 standard sizes to accommodate boxes up to 18" H x 18" D or 24" H x 24" D
  • Attaches Buyers Products toolboxes to the underbody of a trailer
  • Brackets are welded together at the braces and corners for added strength
  • Can be custom drilled into any part of the toolbox and bracket
  • Sold in pairs
Item # Width Depth Height Weight Availability Price Action
1701030 3-1/2" 18" 18" 7.7 lbs.
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1701040 3-1/2" 24" 24" 10 lbs.
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After selecting your preferred Buyers Products aluminum toolbox, purchase these welded aluminum mounting brackets to easily attach your box to the underbody of your truck. These brackets are welded together at the corners and braces for added stability and their solid construction allows you to drill into any part of the bracket and box for a custom, secure fit. The available sizes will accommodate toolboxes of any width and they come in pairs, ensuring that you have everything you need to get the job done.

WARNING: This product can expose you to chemicals, including Chromium (hexavalent compounds), known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, go to
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  • This product is covered by the manufacturer’s One-Year Warranty.