Does this kit include the BackRack itself?

No, this kit only includes the hardware needed to mount a toolbox in conjunction with a BackRack. The BackRack and toolbox must be purchased separately.

Will this kit work with toolboxes of any size?

This kit is designed to work with standard 21-inch toolboxes. If your toolbox is a different size, you may need to modify the hardware or purchase a different kit.

Do I need any special tools to install this kit?

Refer to the manufacturer's installation instructions for a list of required tools. The kit is designed to be installed without drilling, but you may need basic hand tools such as wrenches and sockets.

Specifications

Brand: BackRack
Part #: 50124
UPC: 834136006151

BackRack 2019+ Silverado Sierra HD Only Tonneau Hardware Kit - Wide Top

Name: BackRack 2019+ Silverado Sierra HD Only Tonneau Hardware Kit - Wide Top
Brand: BackRack
SKU: backrack-backrack-2019-silverado-sierra-hd-only-tonneau-hardware-kit-wide-top-t14-438499
Price: 199.99 USD
Availability: BackOrder

$199.99

On Backorder — Expected to ship by Jul 17, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Mount a toolbox flush against your BackRack without drilling. For 2019+ Silverado/Sierra HD.

Key Features

Replaces standard rail-mount hardware — provides a secure mounting point for your BackRack.
Allows toolbox to be installed flush against BackRack — creates a clean, finished look.
Eliminates gap between toolbox and Backrack — maximizes bed space.
Allows toolbox to be installed without drilling into truck bed — prevents damage to your truck bed.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

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.