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RealTruck UnderCover Flex Hard Folding Tonneau Cover Fits 2019-2025 Chevy/GMC Silverado/Sierra 1500 5'10" Bed (69.9")
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Key item features
- Premium hard-folding tonneau cover
- Easy-to-use tri-fold design
- Durable yet lightweight aluminum-skinned panels
- Corrosion-resistant gloss-black textured finish
- Flush, low-profile design
- EPDM rubber hinges, perimeter seals, and dual-action tailgate seal
- Integrated drain channels and tubes
- Offers complete full bed access when folded flush against the cab
- Simple no-drill installation
- 400-lb. weight rating (evenly distributed)
Specs
Manufacturer part number, FX11022
Truck tonneau cover type, Hard Folding
Compatible cars, 2019 - 2022 Chevy/GMC Silverado/Sierra 1500 5' 10" Bed (69.9")
Size, 5'10"
Vehicle fitment type, Specific
Brand, UNDERCOVER
Manufacturer part number
FX11022
Truck tonneau cover type, Hard Folding
Truck tonneau cover type
Hard Folding
Compatible cars, 2019 - 2022 Chevy/GMC Silverado/Sierra 1500 5' 10" Bed (69.9")
Compatible cars
2019 - 2022 Chevy/GMC Silverado/Sierra 1500 5' 10" Bed (69.9")
Size, 5'10"
Size
5'10"
Vehicle fitment type, Specific
Vehicle fitment type
Specific
Brand, UNDERCOVER
Brand
UNDERCOVER
About this item
Product details
For ultimate cargo protection, you can’t beat a rugged, hard tri-fold bed cover, like the UnderCover® Flex from RealTruck®. The premium truck bed cover offers a robust and secure hard-shell construction, easy-to-use folding design, low-profile aesthetic, and exceptional weather resistance, protecting your truck bed in all conditions. The UnderCover Flex Tonneau Cover features rigid yet lightweight aluminum panel construction for superior durability. These panels are impact, abrasion, and cut-resistant—they can even support up to 400 pounds when evenly distributed. UnderCover treats the Flex Tonneau Cover with a durable gloss-black coating for superior corrosion resistance and sleek styling. Accessing your truck’s cargo area is simple and quick—simply drop the tailgate, pull either of the cover’s release cables, and fold the cover onto itself toward the bulkhead. You can secure the cover in the ⅔ open position with the integrated safety straps or fold it flush against the rear window, securing it with built-in prop rods for 100-percent bed access. When you’re finished loading or unloading, close the tonneau cover, fasten and lock the tailgate, and your cargo in the bed is safer than your cargo in the cab. Installing the UnderCover Flex is just as easy using UnderCover’s clamp-on mounting system. The UnderCover Flex is just as resistant to inclement weather as it is to theft. The tonneau cover’s EPDM rubber hinges, perimeter seals, and dual-action tailgate seal prevent moisture from seeping into the bed. Any water that slips past the side seals gets diverted through built-in water channels and out of integrated drain tubes, keeping your cargo dry. UnderCover is a RealTruck® brand. When you order this tonneau cover or any other UnderCover product from us, you’re dealing directly with the manufacturer. We back each UnderCover Flex Tonneau Cover with a limited 3-year warranty against manufacturing and material defects.
- Premium hard-folding tonneau cover
- Easy-to-use tri-fold design
- Durable yet lightweight aluminum-skinned panels
- Corrosion-resistant gloss-black textured finish
- Flush, low-profile design
- EPDM rubber hinges, perimeter seals, and dual-action tailgate seal
- Integrated drain channels and tubes
- Offers complete full bed access when folded flush against the cab
- Simple no-drill installation
- 400-lb. weight rating (evenly distributed)
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.
Specifications
Manufacturer part number
FX11022
Truck tonneau cover type
Hard Folding
Compatible cars
2019 - 2022 Chevy/GMC Silverado/Sierra 1500 5' 10" Bed (69.9")
Size
5'10"
Warranty
Warranty information
3 Year Limited Warranty
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warranty url
Compatible vehicles
| Year | Make | Model | Submodel | Engine |
|---|---|---|---|---|
| 2026 | GMC | Sierra 1500 | All Submodels | All Enginebases |
| 2026 | Chevrolet | Silverado 1500 | All Submodels | All Enginebases |
| 2025 | GMC | Sierra 1500 | All Submodels | All Enginebases |
| 2025 | Chevrolet | Silverado 1500 | All Submodels | All Enginebases |
| 2024 | GMC | Sierra 1500 | All Submodels | All Enginebases |
| 2024 | Chevrolet | Silverado 1500 | Custom | All Enginebases |
| 2024 | Chevrolet | Silverado 1500 | PPV | All Enginebases |
| 2024 | Chevrolet | Silverado 1500 | LT | All Enginebases |
| 2024 | Chevrolet | Silverado 1500 | WT | All Enginebases |
| 2024 | Chevrolet | Silverado 1500 | LTZ | All Enginebases |
| 2024 | Chevrolet | Silverado 1500 | RST | All Enginebases |
| 2024 | Chevrolet | Silverado 1500 | Custom Trail Boss | All Enginebases |
| 2024 | Chevrolet | Silverado 1500 | LT Trail Boss | All Enginebases |
| 2024 | Chevrolet | Silverado 1500 | High Country | All Enginebases |
| 2024 | Chevrolet | Silverado 1500 | ZR2 | All Enginebases |
| 2024 | Chevrolet | Silverado 1500 | All Submodels | All Enginebases |
| 2023 | GMC | Sierra 1500 | SLT | All Enginebases |
| 2023 | GMC | Sierra 1500 | Pro | All Enginebases |
| 2023 | GMC | Sierra 1500 | AT4 | All Enginebases |
| 2023 | GMC | Sierra 1500 | Elevation | All Enginebases |
| 2023 | GMC | Sierra 1500 | SLE | All Enginebases |
| 2023 | GMC | Sierra 1500 | Denali | All Enginebases |
| 2023 | GMC | Sierra 1500 | Denali Ultimate | All Enginebases |
| 2023 | GMC | Sierra 1500 | AT4X | All Enginebases |
| 2023 | GMC | Sierra 1500 | All Submodels | All Enginebases |
| 2023 | Chevrolet | Silverado 1500 | Custom | All Enginebases |
| 2023 | Chevrolet | Silverado 1500 | PPV | All Enginebases |
| 2023 | Chevrolet | Silverado 1500 | LT | All Enginebases |
| 2023 | Chevrolet | Silverado 1500 | WT | All Enginebases |
| 2023 | Chevrolet | Silverado 1500 | LTZ | All Enginebases |
| 2023 | Chevrolet | Silverado 1500 | RST | All Enginebases |
| 2023 | Chevrolet | Silverado 1500 | Custom Trail Boss | All Enginebases |
| 2023 | Chevrolet | Silverado 1500 | LT Trail Boss | All Enginebases |
| 2023 | Chevrolet | Silverado 1500 | High Country | All Enginebases |
| 2023 | Chevrolet | Silverado 1500 | ZR2 | All Enginebases |
| 2023 | Chevrolet | Silverado 1500 | All Submodels | All Enginebases |
| 2022 | GMC | Sierra 1500 Limited | All Submodels | All Enginebases |
| 2022 | GMC | Sierra 1500 | SLT | All Enginebases |
| 2022 | GMC | Sierra 1500 | Pro | All Enginebases |
| 2022 | GMC | Sierra 1500 | AT4 | All Enginebases |
| 2022 | GMC | Sierra 1500 | Elevation | All Enginebases |
| 2022 | GMC | Sierra 1500 | SLE | All Enginebases |
| 2022 | GMC | Sierra 1500 | Denali | All Enginebases |
| 2022 | GMC | Sierra 1500 | Denali Ultimate | All Enginebases |
| 2022 | GMC | Sierra 1500 | AT4X | All Enginebases |
| 2022 | GMC | Sierra 1500 | All Submodels | All Enginebases |
| 2022 | Chevrolet | Silverado 1500 LTD | All Submodels | All Enginebases |
| 2022 | Chevrolet | Silverado 1500 | All Submodels | All Enginebases |
| 2021 | GMC | Sierra 1500 | Base | All Enginebases |
| 2021 | GMC | Sierra 1500 | SLT | All Enginebases |
| 2021 | GMC | Sierra 1500 | AT4 | All Enginebases |
| 2021 | GMC | Sierra 1500 | Elevation | All Enginebases |
| 2021 | GMC | Sierra 1500 | SLE | All Enginebases |
| 2021 | GMC | Sierra 1500 | Denali | All Enginebases |
| 2021 | GMC | Sierra 1500 | All Submodels | All Enginebases |
| 2021 | Chevrolet | Silverado 1500 | All Submodels | All Enginebases |
| 2020 | GMC | Sierra 1500 | All Submodels | All Enginebases |
| 2020 | Chevrolet | Silverado 1500 | All Submodels | All Enginebases |
| 2019 | GMC | Sierra 1500 | Base | All Enginebases |
| 2019 | GMC | Sierra 1500 | SLT | All Enginebases |
| 2019 | GMC | Sierra 1500 | AT4 | All Enginebases |
| 2019 | GMC | Sierra 1500 | Elevation | All Enginebases |
| 2019 | GMC | Sierra 1500 | SLE | All Enginebases |
| 2019 | GMC | Sierra 1500 | Denali | All Enginebases |
| 2019 | GMC | Sierra 1500 | All Submodels | All Enginebases |
| 2019 | Chevrolet | Silverado 1500 | All Submodels | All Enginebases |
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Customer ratings & reviews
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Showing 1-3 of 400 reviews
Aug 19, 2026
Reviewer name: Chad H.
5 out of 5 stars
Seller Verified Purchase
5 STAR REVIEW
We have a body shop and always use Real Truck when replacing tonneau covers. They are quickly shipped to us and excellent quality!
Review from realtruck.com
Helpful?1F2EWUQ8IKX2267048185
Nov 19, 2025
Reviewer name: Don G.
5 out of 5 stars
Seller Verified Purchase
Tonneau cover
Love the way it looks
Review from realtruck.com
Helpful?1F2EWUQ8IKX2267048185
Sep 10, 2025
Reviewer name: Steven A.
5 out of 5 stars
Seller Verified Purchase
THE BEAST
This is my second purchase of a Undercover Tonneau cover. Easy to install. It make my 2025 Ford F350 look even sharper.
Review from realtruck.com
Helpful?1F2EWUQ8IKX2267048185
Current price is USD$1,099.99
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