Topsider toolboxes mount above the bed rails of trucks, adding storage without taking up bed space. Their elevated design keeps gear dry and accessible. With lockable lids and weather-resistant builds, they offer long-lasting performance. Topsider boxes are valued by service fleets and contractors who need to maximize storage efficiency.
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Clear all filtersWhen it comes to maximizing storage space on your truck, topsider toolboxes offer one of the most efficient and versatile solutions. Mounted above the bed rails, these boxes free up valuable bed space while keeping tools, equipment, and gear protected from the elements. With easy side and top access, a top sider toolbox is an ideal choice for contractors, tow operators, and utility workers who need reliable storage on the go.
A top sider toolbox, sometimes called a top mount side toolbox, is designed for both durability and convenience. Its elevated design not only keeps tools safe from road debris and moisture, but also allows you to access gear without climbing into the truck bed. Many models include weather-resistant seals, reinforced doors, and multiple latching systems for added security. Some even feature drawer-style configurations, making organization easier for smaller tools and fasteners.
Some of the most popular topsider toolboxes available include:
For replacement locks, latches, gas springs, and mounting hardware, explore our full line of Toolbox Parts. Having the right accessories ensures your topsider toolbox stays secure and functional over time.
When selecting the right top side truck toolbox, think about:
What is a topsider toolbox used for?
A topsider toolbox mounts above the bed rails of a truck to store tools, towing gear, and equipment while freeing up bed space.
Are topsider toolboxes weatherproof?
Yes, most models include weather-resistant seals and reinforced doors to protect tools from rain, snow, and road debris.
What materials are available for topsider toolboxes?
Common options include lightweight aluminum, heavy-duty steel, and powder-coated finishes for added durability.
Do topsider toolboxes come in different sizes and styles?
Yes, they are available in various lengths, depths, finishes, and door configurations including single latch, dual latch, and drawer models.
Can I get replacement parts for my topsider toolbox?
Absolutely. We stock Toolbox Parts including latches, locks, and gas springs for easy maintenance.