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Questions? Call: 248-795-2240

Don’t Just Cover it. Stowe It.

ABSOLUTELY LOVE THIS SETUP
CAN’T ASK FOR A BETTER QUALITY MADE PRODUCT!
STOWE CHECKED ALL MY BOXES WITH THIS SYSTEM
HIGH QUALITY AND WELL WORTH THE MONEY

YOUR 2011 GMC Sierra 2500-3500 TONNEAU COVER IS BUILT TOUGH TO ENDURE THE ELEMENTS & UNWANTED VISITORS ALIKE

The Stowe Cargo award winning tonneau cover and toolbox system is engineered for your 2011 GMC Sierra 2500-3500 truck bed and is designed to look like it rolled off the manufacturing line with your truck when it was built. It’s a lightweight, 100% waterproof tonneau cover that’s truly all weathertight, an extremely durable tonneau cover as well as being the industry’s most secure tonneau cover for your 2011 GMC Sierra 2500-3500. It’s cover panel is made from an extremely tough and lightweight composite material and rests on an automotive grade, aluminum frame that adds strength and rigidity without adding a lot of extra weight or bulk. The automotive grade, recessed, cylinder locks combined with automotive grade, double bulb, treated seals, creates a protective, watertight fit, engineered to prevent condensation and keep out not only water, dust, dirt, and ice, but thiefs as well, making the Stowe Cargo tonneau cover for your 2011 GMC Sierra 2500-3500 the toughest and most secure truck bed cover the market has to offer. Whether it’s the job site, the backwoods, the lake, the tailgate or the driveway – the Stowe 2 in 1 tonneau cover is built for you, and your 2011 GMC Sierra 2500-3500!

Durable

Watertight

secure

easy install

Warranty

2011 GMC Sierra 2500-3500 Tonneau Cover

The Best 2011 GMC Sierra 2500-3500 Tonneau Cover is More Than Just a Tonneau Cover, It’s an award winning 2011 GMC Sierra 2500-3500 Cargo Management Solution!

$1,950.00$2,250.00

The Best 2011 GMC Sierra 2500-3500 tonneau cover is more than just a tonneau cover, it’s also an award winning, cargo management solution for your 2011 GMC Sierra 2500-3500 truck bed that is the most waterproof tonneau cover, the most secure tonneau cover, as well as the most durable tonneau cover in the market when it comes to options for your 2011 GMC Sierra 2500-3500 tonneau cover purchase. the Stowe Hard Tonneau Cover with Toolbox gives your 2011 GMC Sierra 2500-3500 truck bed all the protection you want—and more. Its tough, great-looking, nearly indestructible and lifts easily for wide-open access, with no flipping, folding, or rolling. Plus, its versatile built-in toolbox—the industry’s only—lets you separate and organize up to 400 lbs. of tools, gear, and valuables while still being able to haul sheets of plywood and full length, 8-foot sticks in the bed. Both compartments feature secure, automotive-grade locks and seals, and Stowe’s patented 2-in-1 design is totally weathertight. Not just water-resistant or watertight like the other brands, but truly weathertight, to keep out water, dust, and salt—even those that are wind-driven by Mother Nature. Your 2011 GMC Sierra 2500-3500 tonneau cover from Stowe Cargo is perfect for the jobsite or campsite—and everything in between. We engineered the Stowe 2 in 1 tonneau cover so it would be the last, and only tonneau cover your 2011 GMC Sierra 2500-3500 truck would ever need. With satisfied customers having the Stowe tonneau cover installed and still delivering on our promise into the 100,000’s of thousands of miles.

Looking for a different year, make and model?

More Product Information

Additional information

Model

Sierra 1500, Sierra 2500 – 3500

Model Year

2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023

Bed Length

5'8", 6'6", 6'8"

Bedliner

Spray-In Liner, Carpeted Liner, Drop-In Liner, No Liner, Unknown

Specifications

What is it made of?

The 2011 GMC Sierra 2500-3500 Tonneau Cover Panel – extruded and cast aluminum frame supporting a high strength composite sandwich panel. Powder coated rails and a tough polyurea panel finish.

The 2011 GMC Sierra 2500-3500 Tonneau Cover Tool box – engineered composite construction

Cylinder Locks – automotive grade keyed push button design

Hinge and Gas Strut Package – Industrial high strength steel six bar linkages with integrated gas struts to save space in the box!

Perimeter seal – automotive grade double bulb seals

Hardware corrosion protection – high performance

Truck box mounting system – bolt on, truck box finish protected by rubber isolators

Overall weight – 116 lbs for the complete system (Including mounting hardware)

The 2011 GMC Sierra 2500-3500 Tonneau Cover Installation time: 90 minutes

Tool Box

Load capacity – 400 lbs

Interior dimensions – 17″ wide x 17″ tall x 59″ long. 10 cu ft

  • Tall enough for a five gallon pail, spacious enough to carry a set of golf clubs.

Space under box

  • Distance to truck box floor 4.5 – 5.0 ” (depending on the truck make)
  • Provides for full use of truck box width and length

Space remaining in open box area – rear face of the tool box to the head board 21″

Drain holes – Who doesn’t need an oversized tailgate cooler for the game! Just a perk we figured we would toss in!

The 2011 GMC Sierra 2500-3500 Tonneau Cover Tonneau Cove

Removal time: 15 min

Weight: 52lb

Shipping Box Contents

Box One: Tool box, front cover, mounting hardware

Box Two: Tonneau cover

Warranty

2011 GMC Sierra 2500-3500 Tonneau Cover Product Warranty Summary

Stowe Cargo Systems maintains the highest possible standards of manufacturing and quality control when building and assembling your 2011 GMC Sierra 2500-3500 Tonneau Cover to offer you a durable, long lasting truck tough product.

The Stowe 2-in1 system comes with a three (3) year warranty from defects in material and workmanship arising from normal use. Stowe stands behind its products, just give us a call if you need assistance with your Stowe product.

Shipping/Delivery

Shipping and Delivery of Your 2011 GMC Sierra 2500-3500 Tonneau Cover

Free shipping applies to the purchase of a Stowe 2-in-1 System, when delivered with the 48 contiguous US states.

When you place an order with Stowe, you will receive an email confirming your order. Stowe will follow up with another email letting you know that your order has been shipped and how to track the shipments status.

For the 2-in-1 System, you will receive two boxes, one containing the tool box, and installation kit, and a second box containing the rear tonneau cover.

Given the size of the product, the boxes with be shipped via FedEx freight (not FedEx ground). For residential delivery, FedEx will call 1-2 days in advance to schedule an appointment with you.

If you need help installing your new 2011 GMC Sierra 2500-3500 Tonneau cover, call Stowe today and we can put you in contact with a Stowe tonneau cover dealer near you

A first in Tonneau Covers: Our Built-In Toolbox

Get all the benefits of better organization—without the issues of having to fit your truck bed cover to a separate toolbox. Gone are the connecting rails, nuts and bolts, foam strips, leaks, rattles, dirt, and frustrating customer service calls. Instead, you get a built-in toolbox/cargo compartment with 400-lb-capacity that stays dry, is tall enough to stand five-gallon pails and long enough for a set of golf clubs. (Plus, with its drain holes and insulation, it makes a great tailgate cooler!)

The Stowe 2-in-1 Offers What the Others Don't

absolutely love this setup

– Tyler F., Texas

The Stowe 2-in-1 is the only tonneau cover tool-box combo out there that combines truck-tough weathertight security, an all-purpose toolbox to sort and protect your tools and gear, and the careful details that make this such a must-have addition. With our versatile 2-in-1 system, you don’t just cover your gear. You Stowe it!

Don’t just Cover it. Stowe it!

We fit all of the major truck brands

Stowe checked all my boxes with this system
– D. Willis, Michigan

Weathertight

Want real protection from the weather? This is the only tonneau cover that features fail-safe automotive OEM-grade seals to keep your truck bed, tools, and gear dry and secure all year round.

Secure

With automotive-grade locks and high-strength composite cover panels supported by an aluminum frame, your gear, tools and truck bed have the highest possible level of security.

Durable

Built with rugged composite materials, the Stowe is one tough beast. It’s nearly indestructible, yet lightweight and easy to handle.

Easy Access

Both the tonneau cover and toolbox compartments open wide to give you convenient and easy access to everything in your truck bed.

Nothing Like it Out There”

– Michael B., North Carolina

The only tonneau cover engineered to last the life of your truck bed and beyond
See It In Action
“This tonneau cover with tool box is absolutely must-have”

– Milton S., New Mexico

The only truck bed cover on the market with a built-in toolbox that is weathertight with easy access to your tools
See It In Action
“I absolutely love it and so does the Chevrolet dealership”

– Norman S., Virginia

The only toolbox and tonneau cover combo that is engineered to look like it came off the OEM factory floor
See It In Action
“High quality and WELL WORTH THE MONEY!!!”

– M. Turner, Michigan

The Stowe 2-in-1 is the best overall value in the premium truck bed cover marketplace, and it includes a built-in toolbox!
See It In Action

You Deserve More

STOWE GIVES YOU ALL THIS AND MORE!

The Tonneau Cover System that gives you more

Engineered for ultimate protection, organization, and convenience, the Stowe 2-in-1 is the only tonneau cover system that seamlessly integrates both a secure, tough, great-looking bed cover and a safe, versatile, multipurpose toolbox.

Dealers Love the Stowe 2-in-1

We sell a ton of tonneau covers, so trust me when I say that this 2-in-1 system from Stowe is a good buy. Loved it the minute I saw it!

– CPW Truck Stuff, Illinois

Question, comment, or need help with an install?

Great! We’d love to hear from you.

The most indestructible tonneau cover on the Planet

Don’t let our good looks deceive you

The Stowe Cargo System is the perfect cover for your truck bed – no matter how you use it. The world’s first 2-in-1 toolbox & tonneau cover system is built specifically for your truck bed and features durable hard cover panels, with a sealed, lockable toolbox – perfect for securely storing tools and gear of all sorts – and a fully lockable and weathertight one-piece truck bed cover.

The system installs easily and its unique hinge cover design enables easy access your truck bed from all three sides without rolling or folding the bed cover. The large and spacious rail-to-rail toolbox rises off the truck bed, giving you easy access to the full length of your truck bed to store larger items.

What You won't find in any other truck bed covers

There’s Nothing else like it

Stowe Easy Access Tool Box and Tonneau Cover Open Features 1

Custom-Designed Double
Bulb Weather Seals

Unlike cheap foam and blade competition, high-performance seal designs for both covers keep water out and contents dry.
Stowe Secured Easy Access Toolbox Tonneau Cover Features 2

Automotive Grade Easy
Access Security Locks

Push-button locks provide security with easy access at both entry points, and are free from snow & ice problems.

Stowe Hinged Tonneau-Cover Hinge Close Up Features 3

Heavy-Duty Commercial
Grade Hinges

Industry-leading high-strength six-bar hinge system with integral mounted gas struts provide easy, full access to both the toolbox and truck bed.

Stowe Removable Hinged Tonneau Cover Lid Features 4

Removable Rear Cover
for Taller Loads

The security and convenience of a hard one-piece cover, yet removes easily in minutes when needed. No flipping, folding, or rolling the bed cover.

Stowe Durable Hard Tonneau Cover Tool Box Features 5

Nearly Indestructible
7-Layer Panel Design

Highly-engineered, heavy-duty extruded and cast-aluminum frame supports the high-tech composite sandwich cover panels that offer maximum security while being light weight.

Ford F-150 Tonneau Cover with Toolbox Closed Features 6

Automotive Grade
Aluminum Frame

Textured powder coated rail finish and polyurea-top coated cover panels ensure durability and a uniquely integrated appearance.

"I know in a few years truck guys will look back and agree that this company has changed the game of truck storage”

Derrick W., Michigan

Can not ask for a better quality made product!
– David F., Staten Island

Work, LivE, Play

Your Truck, Your LIfestyle

Around Town

From the nursery to the hardware store to the yard sale and antique shop, the Stowe 2-in-1 has you covered. With maximum usable space for long items and plenty of storage in the box area, this flexible system gives you superior dry, secure, compartmentalized storage for everyday use!

In The Wild

For hunting, fishing, camping and more, nothing makes that trip more satisfying than having everything right where you need it! Our secured multipurpose toolbox has available dividers to put everything where it’s easy to get to. And our weathertight tonneau cover lifts at a touch for quick and easy three-sided access to everything in your truck bed!

On the job

The Stowe 2-in-1 is the most secure, driest, most organized and usable tonneau cover and toolbox you can find. Built rugged and tough to repel the harshest weather and environments and to take the biggest worksite beatings. You can count on Stowe to have to you covered for the life of your truck bed and beyond!

Find Your Year, Make, and Model

Ford, Ram, Chevy, GMC, and Toyota Tonneau Covers – Tonneau Covers for Ford F150, Ram 1500, 2500, 3500, Toyota Tundra, Chevy and GMC 1500, 2500, 3500 truck beds

The most waterproof tonneau covers, most secure tonneau covers, and most durable hard tonneau covers available with integrated toolbox for Ford, Ram, Toyota, Chevy and GMC trucks – Search our nationwide tonneau cover dealers

When it comes to tonneau covers and truck bed covers, especially when you are looking for the best waterproof tonneau covers for your Ford, Ram, Toyota, Chevy, and GMC truck there are lots of factors to consider, not only do you need to make sure your truck, whether a Ford F150, Ram 1500, Ram 2500, Ram 3500 or Toyota Tundra, or a Chevy or GMC 1500, 2500, and 3500 Silverado or High Sierra, has a model made just for it, but is it going to be the most waterproof tonneau cover, or the most secure tonneau cover, or even the most durable tonneau cover you can buy, maybe you even need the best gooseneck tonneau cover or the best 5th wheel tonneau cover for your Ford, Ram, Toyota, Chevy or GMC and you need it fast and in stock, then you have come to the right place, Stowe Cargo, the home of the best Ford, Ram, Toyota, Chevy, and GMC tonneau covers.

The Award-Winning Stowe 2 in 1 Tonneau Cover for Ford, Ram, Toyota, Chevy and GMC Trucks

JUST NAMED ONE OF THE YEAR’S HOT CARGO MANAGEMENT PRODUCTS BY THE SHOP MAGAZINE. The Stowe 2 in 1 tonneau with the industry’s first integrated toolbox, is way ahead of legacy tonneau covers with regards to design and engineering

THE STOWE 2 IN 1 – UNLIKE ANY OTHER TONNEAU COVER

  • All weathertight, not just water resistant or waterproof, and we mean the truck box too!
  • Nearly indestructible with its innovative engineering, materials, coatings and manufacturing processes
  • Engineered for maximum security with industrial OEM grade push button locks and locking mechanisms, none of those plastic slam latches or skinny push rods that make other tonneau covers susceptible to break-ins.
  • Most importantly, an integrated toolbox that is also weathertight, nearly indestructible, and engineered to be more impenetrable than any other truck toolbox, all sealed under the automotive grade double bulb gasket that seals the entire package from the elements.

We Manufacture the Most Durable Tonneau Cover for the following Model Trucks

 

The World’s First and Only Tonneau Cover with Toolbox The Stowe 2 in 1

 

Find Your Year, Make, and Model

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