Tuffy Chevy & GMC Underseat Lockbox (2007–2019) – Full Width Rear Seat Storage

Full-Width Underseat Lockbox for Chevy & GMC Trucks (2007–2019)

Secure, Concealed Storage for Everyday Use

The Tuffy Underseat Lockbox provides full-width, lockable storage beneath the rear seat of Chevy and GMC Crew Cab trucks. With over 3,500 cubic inches of storage, this system allows you to securely store tools, gear, firearms, and other valuables out of sight.

Access is simple — lift one or both rear seats to open the corresponding lid sections and retrieve your stored items.

Designed for truck owners who need maximum concealed storage without sacrificing rear seat functionality.

✔ Vehicle-Specific Fit for Chevy & GMC Crew Cab (2007–2019)
✔ Full-Width Lockable Underseat Storage
✔ Over 3,500 Cubic Inches of Secure Storage
✔ No-Drill Installation Using OEM Hardware

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Secure Locking System & Theft Protection

Engineered to protect valuables from theft:

• Pry-Guard® locking system resists prying and forced entry
• 10-tumbler double-bitted security key
• welded steel construction for added protection
• concealed under-seat design keeps contents hidden
• weather-resistant lid with built-in seals

Full-Width Storage with Dual Access

Designed for maximum storage and usability:

• full-width design accommodates long items
• dual lid access for organized storage zones
• over 3,500 cubic inches of storage capacity
• ideal for tools, firearms, and larger gear

Removable Design for Flexible Use

This lockbox features a unique mounting system that allows it to be removed quickly when unlocked.

• removable in seconds without tools
• mounting system accessible only from inside the box
• allows flexible use of rear floor space when needed

Durable Construction & Smart Design

Built for long-term durability:

• welded steel construction
• durable textured powder coat finish
• Pin-Lock hinge with built-in lid stop
• weather-resistant design
• chamfered corners improve passenger access

Vehicle Fitment & Installation

Designed specifically for Chevy and GMC Crew Cab trucks.

• fits Chevy Silverado 1500 (2007–2018)
• fits Chevy Silverado 2500HD/3500HD (2007–2019)
• fits GMC Sierra 1500 (2007–2018)
• fits GMC Sierra 2500HD/3500HD (2007–2019)
• Crew Cab required
• installs under rear seat
• no drilling required
• mounts using OEM hardware

⚠️ Not compatible with Regular Cab or Extended Cab models

Product Specifications

Product Type: Underseat Lockbox
Configuration: Full Width Rear Seat Storage
Vehicle Fitment: Chevy & GMC Trucks (2007–2019)
Cab Type: Crew Cab Required
Color: Black

Exterior Dimensions:
13" L × 55 7/8" W × 7"–5" H (tapered)

Interior Dimensions:
12 3/8" L × 55 1/4" W × 5 1/2"–3 5/8" H (tapered)

Auxiliary Compartments:
Large Lid: 11" × 35 1/8"
Small Lid: 19 1/8" wide

What Can You Store in This Lockbox?

Ideal for:

• firearms and long items
• tools and equipment
• recovery gear
• electronics and valuables
• everyday carry items

Need Help Choosing the Right Vehicle Storage System?

Selecting the right vehicle storage solution depends on your vehicle type, storage needs, and how you use your equipment.

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—or—  📞 Call/Text: 281-241-9846