Finding the right side bed rail tool box helps you keep gear secure, accessible, and organized without sacrificing bed space. This guide focuses on practical choices for pickup owners who want durable, weatherproof storage mounted on the truck’s sides. Each top pick is suited for specific needs—whether you prioritize capacity, ease of access, or lightweight construction. Below you’ll see concise comparisons, a buyer-friendly table, and clear reasons to choose each option.
| Product | ||
|---|---|---|
| 36 Inch Side Mount Tool Box (2-Pack) — 36″ x 12″ x 12″ | Balanced size with weatherproof aluminum construction and lockable lid. | Handlers needing compact, dual boxes for organization along the truck sides. |
| 60 Inch Side Mount Aluminum Tool Box (2-Pack) — 60″ x 13″ x 14″ | Large capacity and reinforced aluminum with weather seal for heavy use. | Those carrying bulk tools or camping gear; space-focused buyers. |
| Northern Tool 48″ Side-Mount Tool Box | Matte-black, rust-resistant diamond treadplate with weather seal. | Rugged, minimal maintenance setups requiring aggressive ranges of tools. |
| 36 Inch Side Mount Tool Box — 36″ x 12″ x 12″ | Lightweight aluminum with weatherproof seal and secure latch. | Balanced option for everyday tool organization on the run. |
| Buyers Products 72 X 13 X 16 Inch Topsider Box | Dual drop doors with secure T-handle locks for easier access. | Pro-grade, high-capacity storage for demanding job sites. |
Note: The table highlights each model’s standout feature and typical use case. For buyers who want a quick snapshot, use the “Best For” column to gauge suitability at a glance.
36 Inch Side Mount Tool Box 2 Pack

Brand: Vigorighter Store
Key features include a side mount design for easy access, a one-piece aluminum tub, and a weatherproof seal. Overall dimensions are 36″(L) x 12″(W) x 12″(H). This model is best for buyers who want two compact side boxes that sit lower in the bed, reducing obstruction while maximizing side storage.
Best for: Carriers who need quick-access, side-mounted storage for hand tools, pliers, and smaller equipment without sacrificing bed space. A practical choice for daily use or light-duty work crews.
Limitation: With two units, overall weight can be a consideration on lighter trucks, and mounting hardware must be installed securely to prevent rattling on rough roads.
60 Inch Side Mount Aluminum Tool Box 2 Pack

Brand: Vigorighter Store
Features emphasize high-capacity storage and heavy-duty construction with a weatherproof lid. Dimensions are 60″(L) x 13″(W) x 14″(H). This option is ideal for serious tool storage on larger pickups and for users who carry bulky gear, long-handled tools, or camping equipment along the sides.
Best for: Tradespeople who need substantial on-trail storage without occupying bed space, and for those who require durable aluminum that resists corrosion. Choose this if you regularly transport large tool assortments.
Limitation: Its large footprint may limit access in tight spaces or small trucks, and installation requires careful alignment to maintain weather sealing around the lid.
Northern Tool Side-Mount Truck Tool Box

Brand: Northern Tool & Equipment Store
Design highlights include a heavy-duty diamond treadplate aluminum construction with a matte black finish and a complete weather-resistant seal. Dimensions are not listed here, but the model is positioned for robust, rust-resistant storage with quick access.
Best for: Buyers seeking rugged, weatherproof side-mount storage with a low-maintenance finish and reinforced lid for frequent use in harsh environments. Avoid this if you need a lighter weight, ultra-portable option.
Caution: Ensure proper sealing around the lid to maximize moisture resistance and prevent dirt ingress in dusty job sites.
36 Inch Side Mount Truck Tool Box

Brand: Vigorighter Store
Features emphasize heavy-duty aluminum construction with a weatherproof seal and side-mount design. Dimensions mirror 36″(L) x 12″(W) x 12″(H). The box provides ample storage for tools and camping gear without intruding into the truck bed.
Best for: Vehicle owners who want a strong, space-saving solution along the truck sides, with reliable weather protection and a simple locking system for daily use.
Limitation: The boxed design may limit internal organization to larger tools; consider adding interior dividers for smaller items.
Buyers Products 1721551 72 x 13 x 16 Inch Topsider Box

Brand: Buyers Products Company Store
Features include heavy-duty .100-inch-thick diamond tread aluminum, dual drop doors, continuous hidden hinges, and die-cast locking T-handles. This combination provides secure, weather-resistant access with versatile storage on demanding job sites.
Best for: Pros needing a professional-grade, high-capacity topsider storage solution with easy, quick access from two doors. Choose this for durable, secure tool and gear organization on large trucks.
Caution: With high capacity, ensure secure mounting and consider access clearance to doors when loading tall equipment on the 72-inch cabinet.
Buying Guide: Key Considerations For Side Bed Rail Tool Boxes
What material is best for truck side boxes?
Aluminum is common for side bed tool boxes due to its balance of weight, strength, and corrosion resistance. Heavier steel options exist but add more weight, which can affect fuel economy and weight distribution.
How much storage capacity do you need?
Evaluate tool volume, including long-handled items and bulky equipment. If you frequently haul camping gear or large tools, prioritize larger dimensions (e.g., 60″ length or larger). For everyday use, a 36″ or 48″ option offers ample space without bulk.
How important is weather resistance?
A weather-resistant seal around the lid reduces dirt and moisture intrusion. Look for a molded gasket or weatherproof seal and a robust latch system to secure contents during travel.
Is side-mount or top-mount better for you?
Side-mount boxes free up bed space and keep tools within easy reach from the side. Top-mount options are also available but may occupy bed space and alter loading configurations.
What about installation and compatibility?
Ensure the box fits your rail spacing and bed dimensions. Some models include mounting hardware and are designed for standard pickup rails. Professional installation can help maximize stability and seal integrity.
Security features worth noting
Look for locking mechanisms (keys, T-handles) and reinforced latches. Some models include dual drop doors for easier access to larger items while maintaining security.
Frequently Asked Questions
Q: Are side bed rail tool boxes weatherproof by design?
A: Most models include weatherproof seals and durable aluminum construction to resist moisture and dirt during travel.
Q: Can I install these on any pickup truck?
A: Most side-mount tool boxes are designed for standard truck side rails, but always verify rail spacing, bed height, and clearance before purchasing.
Q: Do these boxes require professional installation?
A: Some users install them themselves with provided hardware, while others opt for professional mounting to ensure optimal alignment and sealing.
Q: Which box is best for hauling long equipment?
A: Larger side-mount boxes, such as the 60″ or 72″ topsider models, offer the most internal space for long or bulky items and tools.
Q: Are two boxes better than one for side mounting?
A: Two boxes can improve organization and allow separate tool categories. They also help keep weight distributed along the vehicle sides.
In summary, the right side bed rail tool box depends on the owner’s cargo, truck size, and mounting preferences. The options listed here provide a spectrum from compact, dual-side boxes to high-capacity, pro-grade topsiders, each with practical benefits and clear trade-offs for different workflows.