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Home > DU-HA Storage Units > Chevrolet & GMC Extended Cab >

You are here: Chevrolet and GMC Silverado/Sierra Extended Cabs - 99-07 (Classic)

DU-HA Storage Units for Chevrolet and GMC Trucks

2006 Chevy Extended CabEvery DU-HA is custom designed to fit a particular model of truck. The Chevy/GMC Extended Cab DU-HA is designed to fit underneath your pre-existing back seat. It's constructed from heavy duty polyethylene and comes with a lifetime warranty. This model also acts as a legal gun case in most states and will hold up to 4 rifles or shotguns, 2 with scopes.
Scroll down for more photos and information on this DU-HA.

Fitment Info:
Please read this to make sure you are ordering correctly!

On this model of truck, you have to open the front door to open the back door. The front doors open the opposite direction of the back doors. The back door only opens partially (it does NOT swing open all the way to the truck bed). Also, the side windows in the back seat do NOT roll down. Still want more info? Click here: Pickup Truck Cab Styles (PDF)

Fits Chevrolet and GMC Silverado/Sierra Extended Cab - 99-07 (Classic)*
Fits 1/2 ton, 3/4 ton, and 1 ton models.
*Does not fit 06-07 (Classic) 5'8" extra short box model.

Includes 30 day money back guarantee and lifetime warranty.
Dimensions: L 57.25 x W 14.25 x H 9.25
Total weight: 19 lbs

Price: $199.95

Availability: In Stock!



Usually ships within 1-3 business days.

DU-HA shown in light gray

Dark Gray aka Dark Pewter/Charcoal Light Gray aka Pewter Tan aka Nuetral

Color Part #
Dk Gray 10001
Lt Gray 10002
Tan 10003


Note: Shipping quotes provided online apply only to ship to addresses within the contiguous United States. If you are located outside the contiguous United States, additional shipping charges may apply. Please call toll free 1.866.306.3842 for a shipping quote.

DU-HA Optional Lock Kit - Chevrolet and GMC
its 99-07 Chevrolet and GMC Silverado/Sierra Extended Cab (Classic)

Now that you have a place to put all your stuff, you can lock it up! The DU-HA lock kit helps secure your DU-HA from
unauthorized access to your valuables and guns. With a
vise-like locking mechanism and cut resistant design, this
lock kit has a lifetime guarantee and is easy to install.

• Stops unauthorized access to your guns and valuables
• Quick and easy installation
• Easy 1/4 turn of key locks and unlocks
• Lifetime warranty and 30-day money-back guarantee

Lock kit consists of 1 coupler lock, 2 keys, and installation instructions.

Material: Zinc alloy, steel shackle, protective rubber bumper

Price: $14.95

Availability: In Stock!


Usually ships within 1-3 business days.

Chevrolet & GMC Extended Cab Lock Kit

Chevrolet & GMC Extended Cab Lock Kit

Color Part #
Black 80090

Fits DU-HA Part Numbers:



Seat Up Seat Down DU-HA installed in Chevy/GMC Extended Cab
Seat shown in latched up position.
Seat shown in latched
down position.

Seat shown with DU-HA installed.
DU-HA wth both dividers
DU-HA with 1 divider
DU-HA without dividers
DU-HA shown with both
DU-HA with one divider
makes it very universal.

DU-HA with no dividers can
store larger items.
DU-HA w/dividers & gun racks
Optional Lock Kit
Comes in Light Gray, Dark Gray, & Tan
DU-HA 2-piece STANDARD organizer/gun rack is made of soft material so it doesn't damage guns.
Make your back seat into a safe. Seat locked using the optional custom black DU-HA lock kit.

Comes in 3 matching interior colors: Light Gray, Dark Gray and Tan.

Sportsman's Chevy/GMC Extended Cab
Sportsman's Chevy/GMC Extended Cab w/DU-HA
This model holds 4 guns
Perfect for the sportsman.
Take all this...
...and have it look like this!
Holds 4 rifles or shotguns, 2 with scopes. Acts as a legal gun case in most states with seat latched down.

This DU-HA holds both hard & soft cases
This DU-HA is held in place using straps
Straps simply loop through seat belt brackets
The DU-HA will store guns in cases...even a hard case.

Straps fasten to the seat belt brackets to secure in place.
Easy installation.
Simply loop straps through
the seat belt brackets.

Dividers and gun racks are removable
Assembles in seconds!
DU-HA divided into 10 compartments
Comes with dividers & gun rack.
Picture shows removable parts.
Dividers and gun rack
assemble in seconds!
DU-HA shown with dividers and organizers/gun rack installed. The DU-HA is divided into separate storage compartments with the standard organizer/gun rack and dividers in place.

Contractor's messy truck
Contractor's truck organized with a DU-HA
DU-HA shown installed
Perfect for the contractor.
Don't let your backseat look
like this...
...have it look like this!
No more items taking up floor
and seating space.
For added storage, place items securely on shelf behind
the DU-HA.
Keep your valuables safely
hidden under your backseat.
Small spikes underneath keep the DU-HA from sliding around
Small spikes on the bottom of the DU-HA prevent it from sliding around.
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