Cargo Box Trunk Bracket

What Is a Cargo Box Trunk Bracket?

A cargo box trunk bracket is a purpose-built mounting component that secures a storage trunk or cargo box to a vehicle's luggage rack or rear cargo area. While it may seem like a small detail, this bracket is the critical link between a heavy, load-bearing storage box and the rack it rides on — and without the right one, even the best trunk becomes a rattling, unstable liability on the trail.

These brackets are especially prevalent in the ATV and UTV world, where riders regularly traverse rough, uneven terrain that puts every fastener and mount to the test. A well-engineered trunk bracket keeps your cargo box firmly planted, reduces vibration-induced wear on both the box and the rack, and ensures your gear stays secure whether you're hauling tools to a work site or camping equipment deep into the backcountry.

Why the Right Bracket Matters

Not all luggage racks are the same. Some are fabricated from steel tubing; others feature molded plastic construction. Trunk brackets are specifically designed to accommodate these differences, clamping securely to the rack material without damaging it. Using an incompatible or generic bracket can lead to loosening over time, potential damage to the rack's finish or structure, and — in worst-case scenarios — a lost cargo box mid-ride.

When shopping for a cargo box trunk bracket, consider the following:

• Rack material compatibility: Make sure the bracket is rated for your specific rack type — steel tube racks and plastic racks often require different hardware.
• Tube diameter range: Steel pipe racks vary in diameter; confirm the bracket's clamp range covers your rack's tubing size.
• Trunk compatibility: Brackets are often designed to work with specific trunk systems or product families, so check that your box and bracket are a matched pair.
• Material and finish: Steel construction with a corrosion-resistant finish is ideal for outdoor, off-road, and wet conditions.
• Kit completeness: Look for bracket sets that include all the hardware needed for a full installation — fasteners, clamps, and any necessary adapters.

Kimpex – Purpose-Built ATV & UTV Trunk Mounting Solutions

Kimpex is a leading name in powersports accessories, offering an extensive lineup of ATV, UTV, snowmobile, and marine parts and accessories. Their cargo box trunk brackets are engineered specifically to integrate with their own popular trunk systems, such as the Cargo Boxx and Nomad series. The Kimpex trunk bracket is designed to attach a seat box to a luggage rack with steel tube, securing the trunk to a steel tubing rack and accommodating tubes from ½" to 1" in diameter. For plastic racks or steel round pipe racks, Kimpex offers specific bracket part numbers to ensure an easy, compatible installation. Whether you're outfitting a Can-Am, Polaris, or another popular ATV or UTV platform, Kimpex trunk brackets provide the confidence that your storage setup will stay firmly in place, ride after ride.