Brute Side Mount Lo-Side Truck Cargo Box (Losider)

Need secure storage without blocking your bed view? The Brute Losider gives you low-profile, side-mount organization that keeps your tools protected and right where you need them. Built for hardworking trucks and hardworking tradespeople, it’s a smarter way to add capacity without sacrificing function.

If you’re tired of tools sliding around your bed or losing small parts in the shuffle, this is your fix. Clean it up. Lock it down. Get back to work.

Built for Real-World Work

• .063" thick aluminum diamond tread for lightweight durability and corrosion resistance
• Fully reinforced lid for strength you can feel every time you open it
• Beveled lid design to help shed water and debris
• Full rubber weather seal to keep out moisture, dust and road grime
• Full metal shield protecting the rotary latch for added security

Secure. Smooth. Installer-Friendly.

• Push button rotary latch for quick, secure access
• 2 fully guarded gas props for controlled, reliable lid support
• “J” hook, no-drill side rail installation — mount it without punching holes in your truck
• Full clearance mounting hardware included

No complicated installs. No unnecessary modifications. Just professional-grade storage that’s ready to help.

More Storage Than You Expect

• Additional storage built into the front for small gear and frequently used items
• Deluxe aluminum adjustable tray to organize hand tools, parts and accessories

Choose the Setup That Fits Your Workflow

• Available lengths: 34 in, 47 in, 56 in and 70 in
• Finish options: standard aluminum or textured matte black
• Lid configurations: standard top lid/door (standard or low-profile)
• Optional pull-out drawer accessible from the tailgate — choose passenger-side or driver-side access

Whether you want quick top access or the convenience of a tailgate drawer, you can confidently customize this box to match how you work.

The result? A tighter setup, better protection and a truck that works like a true mobile workshop. Work in trucks. For the good of the trades.