Best Side Mount Truck Tool Box: Durable Aluminum and Steel Options for Pickups

For pickup owners who want quick access to tools without sacrificing bed space, a side mount truck tool box offers a practical solution. These boxes mount on the truck’s side rails, keeping the bed clear while providing weatherproof, lockable storage. This guide highlights five solid options across aluminum and steel builds, comparing capacity, durability, installation, and weather sealing to help you choose the right box for your needs.

Product Brand Size / Capacity Material Highlight
Vigorighter 36 Inch Side Mount Tool Box Vigorighter 36″ L x 12″ W x 12″ H Aluminum Lightweight, weatherproof, lockable
Vigorighter 60 Inch Side Mount Tool Box Vigorighter 60″ L x 13″ W x 14″ H Aluminum High capacity; side rails mounting
Vigorighter 36 Inch Side Mount Truck Tool Box Vigorighter 36″ L x 12″ W x 12″ H Aluminum Weatherproof lid seal; lock and keys
FGJQEFG 48” Aluminum Side Mount Toolbox FGJQEFG 48″ L x 8″ W x 12.5″ H Aluminum 5 Bar tread, weather-resistant, lock & keys
Weetron 36 inch Side Mount Toolbox Weetron 36″ L x 12″ W x 12″ H Aluminum Lockable, rust-resistant, quick external access

Note: All prices, brands, and specifications are subject to change. The table above summarizes product highlights to help compare at a glance.

36-Inch Aluminum Side Mount Tool Box

Vigorighter 36 Inch Side Mount Tool Box

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Product: Vigorighter 36 Inch Side Mount Tool Box 2 Pack. Size: 36″ L x 12″ W x 12″ H. Material: Aluminum. Features include a side-mount design for bed-rail access, a one-piece welded aluminum tub, weatherproof construction, and a lockable lid with keys. This option emphasizes lightweight durability and space efficiency, suitable for crews wanting to maximize bed space while keeping tools secure and accessible from the truck side. The weather-sealed lid reduces exposure to rain and dust, supporting long-term tool protection.

60-Inch Side Mount Truck Tool Box

Vigorighter 60 Inch Side Mount Tool Box

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Product: Vigorighter 60 Inch Side Mount Truck Tool Box 2 Pack. Size: 60″ L x 13″ W x 14″ H. Material: Steel (heavy-duty aluminum option available in other models). Features include side-mounting to free bed space, high capacity for tools and camping gear, and weather-sealed dual-lid design. This box prioritizes robust load handling and sliding storage with secure access via lock and keys. Best for users needing substantial storage with durable construction to withstand heavy use.

36-Inch Aluminum Side Mount Toolbox

Vigorighter 36 Inch Side Mount Truck Tool Box

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Product: Vigorighter 36 Inch Side Mount Truck Tool Box. Size: 36″ L x 12″ W x 12″ H. Material: Aluminum. Features emphasize heavy-duty construction with a weatherproof lid seal, side-mount design for bed clearance, and ample storage capacity. Includes a lock and keys for secure storage, making it suitable for frequent tool access while on the road. The aluminum build balances light weight with rugged durability for daily use.

FGJQEFG 48” Aluminum Side Mount Toolbox

FGJQEFG 48'' Aluminum Side Mount Toolbox

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Product: FGJQEFG 48” Inch Aluminum Side Mount Truck Tool Box. Size: 48″ L x 8″ W x 12.5″ H. Material: Aluminum with 5 Bar Tread pattern. Features include weather-resistant over-lapping lid design, powder-coated black finish, and a lock with keys. The longer 48″ length increases storage capacity for bulkier tools or multiple organizers. It is designed to withstand road conditions and outdoor exposure while keeping contents dry and secure.

Weetron 36-Inch Side Mount Toolbox

Weetron 36 Inch Side Mount Toolbox

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Product: Weetron 36 inch Side Mount Truck Tool Box. Size: 36″ L x 12″ W x 12″ H. Material: Aluminum. Features include a side-mount design for exterior access, stainless steel latches with two keys per lock, and rust-resistant aluminum construction. The design supports quick retrieval of tools from the outside while preserving bed space, making it suitable for frequent toolbox access during roadside tasks or job sites.

Buying Guide

  • Mounting design: Side-mount boxes save bed space and allow tool access from along the truck’s side rails. Confirm compatibility with your truck’s rail width and bed height before purchasing.
  • Material and durability: Aluminum boxes are lightweight and corrosion-resistant, while steel variants tend to be heavier and extremely rugged. Consider your climate, payload, and mounting hardware when choosing.
  • Weather sealing: Look for lids with rubber sealing and overlapping designs to prevent water intrusion. Dual seals or welded seams add extra protection for gear stored in rain or snow.
  • Locking mechanism: Most options include a keyed lock. Evaluate whether you need dual keys, anti-theft features, or internal locking latches depending on where you park the vehicle.
  • Storage capacity: Length and height determine how many tools you can carry. For bulky items, opt for longer boxes (e.g., 48″ models) or taller boxes (high H) to maximize space while keeping weight balanced on the rails.
  • Installation and fit: Check manufacturer guidance for mounting hardware, required rail type, and any compatibility notes with bed liners or tie-downs. Some boxes are sold as multi-pack sets for fleet use.
  • Maintenance: Aluminum boxes resist rust and are easier to clean, but ensure seals and hinges remain lubricated to prevent rattling and keep lids secure.

When selecting a side mount toolbox, balance between capacity and accessibility. If you regularly carry bulky items or camping gear, a longer model may be advantageous. For everyday tools and quick access, a 36″ or 60″ option with solid corrosion resistance and a reliable seal is typically sufficient. Always verify dimensions and mounting compatibility with your specific truck model and bed configuration.