Tuffy Products 352-01 Under-Seat Full Lockbox for 2019-26 Chevy/GMC Crew Cab

Vehicle Fitment

• 2019-2026 Chevrolet Silverado 1500 Crew Cab / Double Cab 4WD/2WD (all trims)
• 2019-2026 GMC Sierra 1500 Crew Cab / Double Cab 4WD/2WD (all trims)

Features

• Welded heavy-duty steel construction for secure under-seat storage
• Full-width design fits under rear Crew Cab seat for large storage capacity
• Pry-Guard locking system with 10-tumbler double-bitted key lock; optional 3-digit combo available
• Weather-sealed lid and hinges protect contents from dirt and moisture
• No drilling required - installs with factory seat-mount hardware
• Chamfered corners for passenger comfort and easy access
• Removable for vehicle service or relocation without tools
• Ample storage for long items such as tools or gear due to full-width layout

Specifications

• Storage volume: Approx. 3,500 cubic inches
• Material: Welded steel with textured black powder-coat finish
• Lock type: 10-tumbler double-bitted key lock; optional 3-digit combination
• Installation: Under-seat, uses factory mounting brackets; no drilling required for most applications
• Fitment caveat: Requires Crew Cab or Double Cab seating configuration

Included Components

• 1x Under-seat lockbox unit (full width)
• 1x Mounting bracket kit (bolts, washers, wing-knob nuts, etc.)
• Installation instructions

Product Description

The Tuffy 352-01 under-seat lockbox is designed for 2019-2026 Chevrolet Silverado 1500 and GMC Sierra 1500 Crew Cab or Double Cab models. It fits beneath the rear seat and offers a full-width secure storage compartment constructed from heavy welded steel with a durable powder-coat finish. With approximately 3,500 cubic inches of storage, it is ideal for securing valuables, tools, or gear.

Installation is simple with no drilling required for most vehicles; the unit mounts using factory hardware. The Pry-Guard locking system with keyed or optional combination lock provides strong security while removable design allows easy vehicle service or relocation. Chamfered corners ensure passenger comfort, and the full-width layout accommodates long items.

Fitment supports 2019-2026 Silverado 1500 and Sierra 1500 Crew/Double Cab trucks. Verify your rear seat configuration matches the full-width design to ensure proper fit. This lockbox is an ideal solution for truck owners seeking secure under-seat storage with minimal cabin intrusion.