Truck Toolboxes for Sale & Installation – Manassas VA | American Truck & Trailer Supply
Truck Toolboxes – Sales & Installation in Manassas, VA
Secure Storage & On-the-Job Functionality Starts Here
Looking for the perfect toolbox to organize your gear, protect your tools, and upgrade your truck’s utility? At American Truck & Trailer Supply in Manassas, Virginia, we carry and install high-quality truck toolboxes built for contractors, fleet vehicles, weekend warriors, and everyday drivers.
We offer a wide selection of crossover, chest, side-mount, and underbody toolboxes—with professional installation and expert recommendations.
Types of Truck Toolboxes We Carry
We offer toolboxes in aluminum, steel, and composite finishes, with weather-sealed lids, lockable latches, and options to fit nearly any truck or trailer setup.
Crossover Toolboxes (Saddle Boxes)
Mount across the bed rails behind the cab.
Most popular truck toolbox style
Available in single-lid, dual-lid, and low-profile designs
Fits full-size and mid-size trucks
Includes gas struts, weather seals, and locking mechanisms
Easy bed access without sacrificing space
Chest Toolboxes
Sits directly on the truck bed floor, flush against the cab.
Great for tonneau cover compatibility
Maximizes bed storage while staying below rail height
Ideal for truck owners needing a sleek, secure box under a cover
Available in standard and low-profile depths
Side-Mount Toolboxes (Topside Boxes)
Mount along the inner bed rails on one or both sides.
Perfect for storing frequently accessed tools
Great for fleet vehicles and contractors
Can be used alone or paired with other boxes
Flip-up doors, gas shocks, and weather-tight seals
Underbody Toolboxes (Underbed Mount)
Mount underneath flatbeds, utility trailers, or service trucks.
Ideal for commercial, utility, and fleet vehicles
Maximizes storage without using bed or deck space
Built tough with reinforced doors and steel construction
Locking T-handles and weather-resistant seals
Available in multiple sizes and depths
Additional Toolbox Styles & Features
Gull-wing toolboxes
Trailer tongue boxes
Vertical truck toolboxes
Toolboxes with built-in fuel tanks (combo units)
Powder-coated or diamond-plate aluminum finishes
Keyed-alike options for fleets
We carry trusted brands like UWS, Weather Guard, Dee Zee, RKI, Buyers Products, Better Built, and more.
Professional Installation Available
Let our team handle the install. We’ll ensure your toolbox is:
Centered, leveled, and mounted securely
Integrated with existing truck accessories (bed rails, tonneau covers, etc.)
Need multiple boxes or a custom setup? We’ll make it happen.
We Outfit Toolboxes On:
Ford F-150 / Super Duty
Ram 1500 / 2500 / 3500
Chevy Silverado / GMC Sierra
Toyota Tundra / Tacoma
Nissan Titan
Flatbeds and service bodies
Utility and landscape trailers
Commercial fleets and work vans
Serving Manassas & Northern Virginia
We're conveniently located in Manassas, Virginia, and proudly serve:
Gainesville
Bristow
Centreville
Warrenton
Haymarket
Nokesville
Fairfax
Sterling
Northern Virginia
Why Choose American Truck & Trailer Supply?
Wide Selection of Toolboxes In-Stock
Expert Installation with Clean Fitment
Commercial & Fleet Solutions Available
Custom Mounting for Any Vehicle or Trailer
Trusted Local Accessory Shop Since [Year]
Whether you're protecting thousands in tools or just organizing your daily essentials, we have the right storage solution.
Get a Toolbox Quote or Schedule Installation Today
Need a toolbox that works as hard as you do? Call or visit American Truck & Trailer Supply.
Location: 11949 Livingston Road, Manassas, Virginia
Phone: 703 257 1710
