Cover your cargo with the easy access and full protection of the American Tonneau Tri-Fold Tonneau Cover. Designed to flip up and clamp down fast, this folding tonneau gives your bed the perfect blend of access and coverage. Built in the USA. Limited Lifetime Warranty.
Flip your way to full bed access with the BAK BakFlip G2 Tonneau Cover. Constructed from durable aluminum with an advanced 1/2” thick EPS core, it’s capable of holding up to 300 lbs of distributed weight. Plus, its unique design locks flips and locks all the way forwards and backwards. Low-profile fit for streamlined looks. 1-year warranty.
Secure your gear without draining your wallet. The TonnoPro Tri-Fold Tonneau Cover delivers easy-to-use cargo protection with its no-tool installation and folding design. Plus it looks great and improves your gas mileage. 10-year fabric warranty, Lifetime Warranty on the frame.
The Extang Trifecta Tonneau Cover tops the charts in design, durability and convenience. It folds open in 3 sections for fast bed access and installs in just 3 minutes. Traditional or Signature fabric. 10-year tarp warranty. Lifetime Warranty on frame.
Seal off your pickup's payload with the powerful BAKFlip FiberMax Tonneau Cover. Custom built from Fiberglass Reinforced Polymer with a weather-tight hinge system, it's the strongest tonneau in BAK's line of folding truck bed covers. Flips forward for 100% bed access. 2-year warranty.
Top off your truck bed with the ultra secure TonnoPro HardFold Tri–Fold Tonneau Cover. Tailor made from all–aluminum panels and finished with marine–grade vinyl, this folding truck bed cover protects your payload from thieves, weather and wind. Preassembled for an easy install. Lifetime frame Warranty; 10–year cover warranty.
You’re gonna flip your lid when you see how much you save with the BAK BAKFlip VP Tonneau Cover. It's crafted from vinyl-covered aluminum with an EPS core and folds all the way forward like all other BAKFlip folding truck bed covers. Supports up to 300 lbs on top. 2-year warranty.
Make the Solid bed cover choice: the Extang Solid Fold Tonneau Cover. A hard version of the famous Trifecta Tonneau, this folding tonneau cover is strong yet incredibly lightweight. Installs fast and locks to your bed with SafetyKlamps. 3-year warranty.
Complete cargo coverage demands flexibility—loosen up with the UnderCover Flex Tonneau Cover. This folding tonneau cover flips & folds forward and backward to deliver full bed access when open and maximum security from wet weather and sticky fingers when closed. 3-year warranty.
Get the same awesome design of the G2 Bakflip with HD (Heavy Duty) strength. Made from aluminum panels with a 5/8" thick EPS core, the BAK BakFlip HD Tonneau Cover provides all of the convenient features of its sibling plus the strength to hold up to 400 lbs of distributed weight. 2-year warranty.
The Extang EnCore Tonneau Cover delivers the easy access of a folding tonneau cover with the security of a hard cover. The panels are locked using your ignition key featuring BOLT®, one-key lock technology.. And, the fiberglass-reinforced panels resist UV damage and decrease payload temperatures. 3-year warranty.
Get to your gear twice as fast! The TruXedo Deuce Tonneau Cover folds open from the front or rolls from the back for access no other soft truck cover can match. Plus, this folding tonneau cover clamps on to your truck bed in minutes. Lifetime Warranty.
Secure your payload and boost your carrying capacity at the same time with the BAK BAKflip CS Tonneau Cover. This custom truck rack tonneau cover combo includes a BAKflip HD and BAK CS Rack to handle any job. Easy no-drill install. 2-Year Warranty.
For a folding tonneau cover with optimal protection and ease of use, look no further than the Bestop EZ Fold Tonneau. Its simple, yet smart, tri-fold design can be held open or closed with straps or clamps. Constructed from durable, leather-grain textured vinyl that’s stretch and shrink resistant for use in any weather. Limited Lifetime Warranty.
Good things come in threes and the Lund Genesis Tri-Fold Tonneau Cover is no exception. This soft folding tonneau cover delivers good looks, easy operation and incredible durability. Installs in under 3 minutes with cam-action clamps. Lifetime Warranty.
Make the best bet in bed security—the Extang Trifecta Toolbox Tonneau Cover. Boasting all the features that make the original Trifecta a lock, this folding tonneau cover is custom cut to fit beds with a standard 20” toolbox installed. Lifetime frame and 10-year tarp warranties.
Up the ante on truck bed security, style and function with the Extang Solid Fold ToolBox Tonneau Cover. Based on the original Solid Fold design, this folding truck bed cover makes way for your already–installed, standard sized truck toolbox. 3–year warranty.
Haul your payload safely under the watchful eye of the Lund Genesis Elite Tri-Fold Tonneau Cover. This tri-fold tonneau cover wraps your precious cargo in heavy-duty twill weave—resistant to mildew, water, UV rays and more. Plus, it includes a cable clamp and tailgate seal for extreme protection. Lifetime Warranty.
A fiberglass folding tonneau cover and an adjustable overhead rack—enjoy the best of both worlds in one custom-made system with the BAK BAKFlip CS-F1 Contractor Series Tonneau Cover. Built tough to support up to 500lbs up top. 2-year warranty.
Keep your truck bed simple and secure with the Tonneaucraft Tri-Fold Tonneau Cover by Steelcraft! This aluminum, soft-top tonneau cover is lightweight and low profile. To make installation a breeze, your Tonneaucraft tonneau cover comes completely pre-assembled. 3-year warranty.
Not sure which 2004 GMC Sierra Folding Tonneau Covers are right for you? We have over 6556 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"so far this is a great cover! simple install and easy to use.looks great too" —James N from Hinsdale, NH bought an Extang Trifecta Folding Tonneau Cover for a 2004 GMC Sierra, Standard bed (approx. 6 1/2 ft.).
"Overall an excellent product, assembly was a little bit awkward at times or I just have big hands, installation was very easy. I would highly recommend this product." —Andrew M from Simi Valley, CA bought a BAK BAKFlip G2 Tonneau Cover for a 2004 GMC Sierra.
"About 8 months ago I ordered a TonnoPro Tri-Fold Tonneau cover for my 03 Dodge Ram and I liked it so much 2 weeks ago I ordered one for my 04 GMC. Out of the box it only takes about 3 mins to install. Works great and looks great. You cant beat the price. If your looking for a tonneau this is a great one. If you need to use the bed for big stuff you can fold it up and clamp it down or take if off and put in bed, when done put it right back on. Thanks AA" —Jerry Lee G from Morehead City , NC bought a TonnoPro TonnoFold Tri-Fold Tonneau Cover for a 2004 GMC Sierra.
"It was as easy as they said it would be and made the appearence on my 04 GMC Sierra look great!. This was absolutly worth the money, got the canvas model because of the heat in Florida...great deal." —Charles R from West Palm Beach, FL bought an Extang Trifecta Folding Tonneau Cover for a 2004 GMC Sierra.
"Great product easy to install,i havent had the cover but a couple weeks,but i really like it and the way it works. Steve" —Steve M from Walters, OK bought a BAK BAKFlip G2 Tonneau Cover for a 2004 GMC Sierra.
"A good looking cover but make sure width of track is correct to speed installation." —Derek J from De Beque, CO bought an Extang EnCore Tonneau Cover for a 2004 GMC Sierra, 6' 6" short bed.
"This is the best tonneau cover and most versatile cover that i have purchased, i am happy that i have done the research before the purchase!" —H Faye C from Summerville, SC bought a BAK BAKFlip G2 Tonneau Cover for a 2004 GMC Sierra, 6' 6" short bed, standard box.
"I transport boxes and after recent monsoon all dry gas milage a little better highly recommend" —Randall F from Rogers, AR bought an Extang Trifecta Folding Tonneau Cover for a 2004 GMC Sierra.
"This is the second cover I have had for my 2004 GMC Sierra. The first cover I had for 8 years. Great to be able to buy an American made product." —Richard J from Martinsburg, WV bought an American Tonneau Tri-Fold Tonneau Cover for a 2004 GMC Sierra, Standard bed (approx. 6 1/2 ft.).
"The Trifecta cover is exactly what I was looking for. Took 5 minutes to install and so much easier to use than snap down covers. I ordered it on a Monday and received it on Wednesday using the free shipment!" —Eric L from Breinigsville, PA bought an Extang Trifecta Folding Tonneau Cover for a 2004 GMC Sierra.
"i like the bakflip a lot the only thing that i have had a problem with is the ruber seal on the tailgate it freezes to the tailgate and stops you from opening the tailgate but as soon as i found out that you can run a knife between the seal and the tailgate to get it open" —Jermey L from Ashville, NY bought a BAK BAKFlip F1 Tonneau Cover for a 2004 GMC Sierra.