Answering your search for reliable side-mount truck boxes, this guide highlights the best truck box side rails designed to keep tools and gear accessible from the truck’s sides without cluttering the bed. These options suit contractors, DIY enthusiasts, and fleet operators who need organized storage, weather resistance, and easy access. The top picks below emphasize durability, weather sealing, and space efficiency, helping you choose the right size and configuration for your pickup. A concise buyer’s table follows to compare key specs at a glance.
| Product | Size | Best For | Why Pick |
|---|---|---|---|
| Vigorighter 48 Inch Side Mount Truck Box (Pack of 2) | 48″ L x 13″ W x 12.8″ H | Full-size tool loadouts | Low-profile side mount with wide storage, lightweight aluminum |
| Vigorighter 36 Inch Side Mount Tool Box (Pack of 2) | 36″ L x 12″ W x 12″ H | Compact tool sets | Smaller footprint, still weatherproof and sturdy |
| Northern Tool Side-Mount Truck Tool Box | 48″ L x 11.5″ W x 11″ H | Rugged, heavy-duty duty | Diamond treadplate, matte black finish, weather seal |
| Vigorighter 60 Inch Side Mount Box (Pack of 2) | 60″ L x 13″ W x 14″ H | Extended storage on rails | Extra length, high-capacity, includes lock options |
| FSBNJKS Aluminum Side Mount Tool Box | 60″ L x unknown W x 60″ | Aluminum, paddle latch | Lightweight aluminum, corrosion resistance, 90° lid |
Vigorighter 48 Inch Side Mount Truck Box 2 Pack
Best for: users needing maximum bed-side storage with quick-access to tools. Design features include a side mount that sits on truck rails, preserving bed space, and a one-piece 0.058-inch aluminum tub for durability. The 48″ length offers substantial capacity for hand tools, cords, and smaller equipment. The pack-of-two setup helps users outfit both sides or create a balanced dual-sided system.
Why chosen: Combines lightweight construction with weatherproof integrity. The lower profile helps reduce wind drag and snag points while remaining robust for outdoor use. A potential limitation is the aluminum construction that may dent if handled roughly in confined spaces, so care during loading is advised.
Vigorighter 36 Inch Side Mount Tool Box
Best for: smaller tool kits and daily use on smaller trucks. This 36″ side mount box keeps tools within arm’s reach from the truck’s side, preserving bed space. Like the 48″ model, it uses a welded aluminum tub that’s weatherproof and built to last, while offering a compact footprint suitable for mid-size pickups.
Why chosen: The compact size reduces interference with payload, yet retains high-capacity storage. Limitation: less total load space than the 48″ version, so users with larger tool collections should opt for the longer unit.
Northern Tool Side-Mount Truck Tool Box
Best for: buyers seeking heavy-duty construction and rust resistance. This 48″ side-mount model is diamond treadplate aluminum with a matte black finish and complete weather-resistant sealing around the lid. A metal-reinforced lid brace adds structural strength for frequent tool use or heavier loads.
Why chosen: Robust build and weather sealing make this a reliable choice in harsher climates. Limitation: aluminum, while strong, may still dent under heavy impact; ensure proper loading and protection during transport.
Vigorighter 60 Inch Side Mount Box (Pack of 2)
Best for: those who need extended on-rail storage for long tools, camping gear, or larger equipment. The 60″ length provides substantial capacity while still keeping items off the truck bed. The unit uses 0.058-inch aluminum and features a weatherproof lid seal for protection against moisture.
Why chosen: greater length translates to more organization options and easier access from the side. Caution: ensure your truck’s side rails can support the wider footprint and confirm clearance on your model to avoid interference with mirrors or door frames.
Vigorighter 48 Inch Side Mount Truck Box (Steel, Pack of 2)
Best for: users prioritizing steel durability for heavy-duty use with a weatherproof seal. The 48.8″ length and 13.4″ width provide ample space for tools, equipment, and camping gear, with a robust steel construction and a water-resistant lid seal.
Why chosen: steel offers maximum rigidity and resistance to certain impacts compared with aluminum. Limitation: heavier than aluminum equivalents, which may affect mounting considerations and fuel economy over time.
UWS Truck Tool Box Tie-Down Side Rails
Best for: securing gear on the move. These tie-down rails add extra anchor points for tools and cargo, building on a box that stays protected behind a weather-resistant shell. They can be useful for fleets or users transporting loose items.
Why chosen: enhanced cargo security with additional tie-down points, improving load stability. Limitation: not intended to function as primary handrails or main load-bearing supports; always follow load guidelines for safety.
FSBNJKS Aluminum Side Mount Tool Box
Best for: aluminum enthusiasts seeking corrosion resistance and light weight. The 60-inch model mounts on side rails for easy walk-up access and features a paddle latch. Five anti-slip stripes on the lid aid weather resistance and load stability.
Why chosen: aluminum construction minimizes weight while enabling long-lasting use. Caution: verify lid opening and latch operation in your truck’s specific setup to ensure full 90-degree access is feasible without obstruction.
Buying Guide — Key Purchase Considerations
What material suits your needs? Aluminum is lightweight and corrosion resistant; steel is tougher and heavier. Choose based on your cargo type and how often you move heavy loads. Consider bed space; side-mount designs should leave room for bed storage and ensure no interference with doors or wheel wells.
How much storage do you require? If you frequently carry long-handled tools, go for longer boxes (50–60 inches). For compact toolsets or limited cab space, 36-inch models may be ideal. Look for a high-capacity lid and a weatherproof seal to protect items from moisture and dust.
What about security and access? Latches, locks, and integrated tie-down options increase security, especially on fleet vehicles. Accessibility from the side is a major benefit for quick tool retrieval, but ensure the lid opening is compatible with your truck’s width and side rails.
Durability and mounting compatibility matter. Ensure the rails and mounting hardware match your truck model. Check paint, coating, and rust resistance if you operate in humid or salty environments. Some models include reinforced lid braces for added strength when loaded heavily.
Installation and maintenance tips. Regularly check seal integrity and hinges. Clean the lid seal to prevent moisture build-up. When lifting heavy loads, distribute weight evenly to avoid denting or warping the tub. Periodically inspect mounting bolts for tightness.
Frequently Asked Questions
- Do side-mount truck boxes affect bed capacity? They sit along the truck sides, leaving most bed space usable for other cargo, but check the exact footprint of each model to ensure proper clearance.
- Are aluminum boxes better than steel? Aluminum is lighter and corrosion resistant, while steel offers greater rigidity and may endure harsher impacts. Choose based on weight concerns and environment.
- Can these boxes be locked? Many boxes include lid locks or compatibility with padlocks; verify the model’s security features in the product details.
- Will side-mount boxes fit all trucks? Most are designed for standard pickup rails, but it’s important to verify dimensions against your truck’s rail spacing and bed design.
- How should I maintain weather seals? Clean seals regularly and check for wear. Replace weather seals if you notice cracking or loss of seal integrity to prevent moisture ingress.
- Is installation a DIY job? In most cases, yes, but confirm that you have the correct mounting hardware for your truck model and follow the manufacturer’s instructions for bolt torque and alignment.