Backrack 91011 Toolbox Bracket Fits Ford 10-14 F250 F350 F450 Super Duty

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3.50 (in)
6.00 (in)
27.50 (in)


Universal 21" Tool Box Mount Brackets  91011 by backrack® is a set of two steel adapter brackets that allow any tonneau cover to be used with a backrack Cab Guard headache rack. They secure the Cab Guard at a raised height which allows placement of a tonneau cover frame directly on the bedrails by the cab. Reinforced steel construction ensures high strength and rigidity, and a protective layer of black powder coat resists scratches, chips, and corrosion.


  • 2-inch square steel frame tubing offers maximum strength and rigidity
  • Durable black powder coat finish provides a high level of protection from chips, scratches and corrosion
  • Horizontal top edge is designed for easy mounting of brackets to hold lights and other accessories
  • Frame uses factory stake pockets for installation (some models may also require drilling into side bed walls)
  • Useful for carrying ladders and other gear too long to fit into the bed (requires rear Ladder Rack Rear Bar sold separately)
  • Protects your truck’s cab and rear window against impacts when cargo in your bed may slide forward
  • Fully compatible with tonneau covers
  • Reinforced steel center grid is made from 3/16th-inch reinforced steel and welded at every crisscross for maximum strength
  • Cut-out section in center grid allows full rearview mirror visibility
  • Steel center grid is permanently welded to frame section
  • Installation requires Safety Rack Cab Guard Standard Mount Bracket kit sold separately
  • Installation may require removal of 1-piece hard bed liners
  • All hardware pieces are zinc coated to provide resistance to corrosion

Tool Box Mounting Kit

Toolbox Bracket; 21 in.; Used To Mount Over-The-Rail Style Toolboxes; Fits PN[10501];

  • Includes Two Toolbox Brackets
  • Durable Powdercoat Finish
  • Limited Lifetime Warranty

Replaces Standard Railmount Hardware. Allows Toolbox to be installed flush against BackRack(TM). Eliminates gap between Toolbox and Backrack. Allows Toolbox to be installed without drilling into truck bed. Standard 21 inches. Optional 31 inches available

Fits the following models:

  • 2010-2017 Ford F-450 Super Duty

  • 2010-2012 Ford F-550 Super Duty

  • 2011-2017 Ford F-250 Super Duty

  • 2011-2017 Ford F-350 Super Duty

  • As always, 21 Motorsports offers FAST and FREE shipping on Backrack part number 91011. Please look around to find more great items from Backrack and all the other great liners and trays parts you love!
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    Warranty Information

    Full manufacturer's warranty
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    Additional Information

    GPS Enabled:
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