Description
Combined Storage and Protection Solution. This BackRack Headache Rack Frame with 21-Inch Wide Toolbox integrates a low-profile headache rack to shield your rear window with a lockable 21-inch toolbox mounted between the rack tubes. The rear bed bar provides additional anchor points for cargo and optional light mounts, consolidating storage and safety features into one robust assembly.
Toolbox Convenience Meets Rack Strength. The gas-strut-assisted lid allows smooth one-handed access to your tools, while the tubular rack frame offers multiple tie-down points and supports mounted accessories. Matte black powder-coat protects against weather and abrasion for lasting performance.
Installation. This product secures to stake pockets and cab corners with supplied no-drill brackets and hardware—no modifications required.
Application. This BackRack Headache Rack Frame with 21-Inch Wide Toolbox; No-Drill Installation Kit and Rear Bed Bar fits 2015–2019 Sierra 3500 HD Models.
BackRack 15004
30119TB
11520
CA Residents: WARNING: Cancer and Reproductive Harm
- BackRack Headache Rack Frame with 21-Inch Wide Toolbox; No-Drill Installation Kit and Rear Bed Bar
- Heavy-Duty Steel Frame with Integrated Window Guard
- With 21-Inch Weather-Resistant Steel Toolbox with Gas-Strut Lid
- Rear Bed Bar for Tie-Down and Lighting Options
- No-Drill Mounting to Stake Pockets and Cab Corners
- Matte Black Powder-Coat Finish
- Fits 2015–2019 Sierra 3500 HD Models
| Brand | BackRack |
| Rack Type | Headache Rack |






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