Tuffy Products · New
Tuffy F250 & F350 Superduty Underseat Lockbox W/ Combo Lock
MPN 309-01-A · Store SKU tfy309-01-A
Supplier stock checked 11/7/2026, 8:20:45 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.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 your 2003-2016 Ford F-250/F-350/F-450 Super Duty Crew Cab. The full width formfitting design of the Tuffy lockbox has over 2170 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 three-digit combination security locks 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. Mounts inconspicuously under the seat out of apparent site of opportunistic thieves. Rear Underseat Lockbox - '03-16 F-250/350/450/550 Super Duty; w/ Crew Cab (Black; 3-Digit Combo) Lockbox | Underseat Full | Ford Super Duty Super Crew | 2003-2016
Manufacturer fitment & guides
- Ford 2003-2016 F-250/350/450/550 Super Duty; NOTE: w/ Crew Cab; Requires Removal of Factory Underseat Trays/Boxes
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- California Proposition 65: Y