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Tuffy Chevrolet Silverado & Gmc Sierra Underseat Lockbox Full Length W/ Keyed Lock For

Tuffy Products · New

Tuffy Chevrolet Silverado & Gmc Sierra Underseat Lockbox Full Length W/ Keyed Lock For

MPN 307-01 · Store SKU tfy307-01

$671.00
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Supplier stock checked 11/7/2026, 8:34:45 AM UTC. Adding a part does not reserve it.

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Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

This high security welded steel security lockbox mounts under the rear seat in 2007-2018 Chevy/GMC Crew Cab 1500 and 2007-2019 2500HD/3500HD trucks. The full width formfitting design of the Tuffy lockbox has over 3500 cubic inches of lockable storage. Its secured contents are easily accessed by flipping either or both rear seat(s) up and opening the corresponding lid(s). The unique design allows the full width to be used to stow firearms or other long items. Featuring Tuffy's Pry-Guard Locking System with a 10 tumbler double bitted security lock with built in weather seals. Chamfered corners are incorporated into the design for easier passenger access. The innovative mounting system is only accessed from inside the box. When additional floor space is needed the entire lockbox can be removed in seconds without the need for any tools. Rear Underseat Lockbox - '07-19 Silverado/Sierra 1500 ('19 Old Body Style} / '07-19 2500HD/3500HD; w/ Crew Cab (Full Length; Black; Standard Key) Lockbox | Underseat Full | Standard Key | Chevy/GMC Crew Cab | 2007-2019

Manufacturer fitment & guides

  • Chevy/GMC 2007-2019 Silverado/Sierra 1500 ('19 Old Body Style}; 2007-2019 2500HD/3500HD; NOTE: w/ Crew Cab
  • Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.

Part-specific notes

  • California Proposition 65: Y

Manufacturer documents

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