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UnderCover UX12025 Ultra Flex Hard Folding Tonneau Cover Chevrolet Silverado/GMC Sierra 1500/2500/3500 14-19 8'
- UX12025
| Brand | UnderCover |
| T-Slot Rails | No |
| Material Type | Hard |
| Box Weight | 100 lbs |
| Box Length | 80 in |
| Box Width | 30 in |
| Box Height | 7.5 in |
| UPCCode | 840114300272 |
Please select your vehicle to ensure that this product fits.
UnderCover Ultra Flex Tonneau Cover
The UnderCover Ultra Flex is a premium, hard-folding tonneau cover designed for a sleek, low-profile appearance and durable protection for your truck bed. Built with rigid yet lightweight materials, it combines secure cargo protection, weather resistance, and easy operation.
- Premium hard-folding design with a flush, low-profile look.
- Aluminum-skinned top panels and L-rails with a matte-black smooth finish for durability and style.
- 400 lb. evenly distributed weight capacity thanks to rigid yet lightweight aluminum construction.
- Carpeted under panels to protect cargo and reduce noise.
- Automatic slam latches for quick, secure panel engagement.
- EPDM rubber hinges, perimeter seals, and dual-action tailgate seal to keep out water and the elements.
- Integrated drain channels and tubes for effective water management.
- Integrated prop rods support the cover upright for full bed access when needed.
- Simple clamp-on L-rail system for a no-drill installation approach.
- 5-year warranty for long-term assurance.
The Ultra Flex operates smoothly: drop the tailgate, release the rear latches, and fold the cover forward. Use the safety straps to secure it in the 2/3 open position or fold completely and support it with the built-in prop rods for full access. Closing engages the slam latches and seals the cover tightly against the perimeter and tailgate seals.
*Installation/Compatibility note: Simple no-drill installation using the clamp-on L-rail system; verify fit for your specific truck year, make, and model before purchase.
| Brand | UnderCover |
| Material | Aluminum |
| T-Slot Rails | No |
| Material Type | Hard |
| Series | Ultra Flex |
| Submodel | 8' Bed |
| Type Cover | Hard Folding |
| Color | Matte Black |
| Fitment | 2014 Chevrolet Silverado 1500, 2015 Chevrolet Silverado 1500, 2016 Chevrolet Silverado 1500, 2017 Chevrolet Silverado 1500, 2018 Chevrolet Silverado 1500, 2014 GMC Sierra 1500, 2015 GMC Sierra 1500, 2016 GMC Sierra 1500, 2017 GMC Sierra 1500, 2018 GMC Sierra 1500, 2015 Chevrolet Silverado 2500, 2016 Chevrolet Silverado 2500, 2017 Chevrolet Silverado 2500, 2018 Chevrolet Silverado 2500, 2019 Chevrolet Silverado 2500, 2015 Chevrolet Silverado 3500, 2016 Chevrolet Silverado 3500, 2017 Chevrolet Silverado 3500, 2018 Chevrolet Silverado 3500, 2019 Chevrolet Silverado 3500, 2015 GMC Sierra 2500, 2016 GMC Sierra 2500, 2017 GMC Sierra 2500, 2018 GMC Sierra 2500, 2019 GMC Sierra 2500, 2015 GMC Sierra 3500, 2016 GMC Sierra 3500, 2017 GMC Sierra 3500, 2018 GMC Sierra 3500, 2019 GMC Sierra 3500 |
| Box Weight | 100 lbs |
| Box Length | 80 in |
| Box Width | 30 in |
| Box Height | 7.5 in |
| UPCCode | 840114300272 |
| Brand | UnderCover |
| Material | Aluminum |
| T-Slot Rails | No |
| Material Type | Hard |
| Series | Ultra Flex |
| Submodel | 8' Bed |
| Type Cover | Hard Folding |
| Color | Matte Black |
| Fitment | 2014 Chevrolet Silverado 1500, 2015 Chevrolet Silverado 1500, 2016 Chevrolet Silverado 1500, 2017 Chevrolet Silverado 1500, 2018 Chevrolet Silverado 1500, 2014 GMC Sierra 1500, 2015 GMC Sierra 1500, 2016 GMC Sierra 1500, 2017 GMC Sierra 1500, 2018 GMC Sierra 1500, 2015 Chevrolet Silverado 2500, 2016 Chevrolet Silverado 2500, 2017 Chevrolet Silverado 2500, 2018 Chevrolet Silverado 2500, 2019 Chevrolet Silverado 2500, 2015 Chevrolet Silverado 3500, 2016 Chevrolet Silverado 3500, 2017 Chevrolet Silverado 3500, 2018 Chevrolet Silverado 3500, 2019 Chevrolet Silverado 3500, 2015 GMC Sierra 2500, 2016 GMC Sierra 2500, 2017 GMC Sierra 2500, 2018 GMC Sierra 2500, 2019 GMC Sierra 2500, 2015 GMC Sierra 3500, 2016 GMC Sierra 3500, 2017 GMC Sierra 3500, 2018 GMC Sierra 3500, 2019 GMC Sierra 3500 |
| Box Weight | 100 lbs |
| Box Length | 80 in |
| Box Width | 30 in |
| Box Height | 7.5 in |
| UPCCode | 840114300272 |
Warranty Information
1. UnderCover Ultra Flex
Warranty: Lifetime on the frame, 5 years on components.
Conditions: Applies only to the original owner with purchase from an authorized dealer. Not valid for transfer or reinstalling on another vehicle.
Limitations: Does not cover improper installation, accidents, misuse, or chemical damage.
Repair/Replacement: Upon evidence of defect, the manufacturer will decide on repair or replacement.
2. UnderCover SE
Warranty: Lifetime on the body, 1 year on hardware and lift mechanisms.
Conditions: Valid only for the first purchaser with proof of purchase and standard installation.
Limitations: No coverage for misuse, modifications, or negligence.
Repair: Through authorized service only. Transportation costs are not covered.
3. UnderCover LUX
Warranty: Lifetime on structure and factory paint.
Conditions: Only for the first owner and initial installation.
Limitations: Invalid if painted outside the factory, improper use, aggressive cleaners, or environmental damage.
Care: Clean regularly with automotive-safe products.
Repair: Decision made after condition assessment.
4. UnderCover Flex
Warranty: Lifetime on core structure, 5 years on other parts.
Conditions: Covers only original purchaser through authorized dealers.
Limitations: Not warranted against damage from misuse or external elements.
Repair: Performed through official service channels if needed.
5. UnderCover Elite
Warranty: Lifetime on ABS body, 1 year on lift parts and hardware.
Conditions: Valid for original owner with receipt.
Limitations: Excludes improper installation, driving with lid open, unauthorized modifications, or environmental/chemical damage.
Repair: Through official channels; shipping at owner's cost.
Note: Remove cover when transporting oversized items.
6. UnderCover Elite LX
Warranty: Lifetime on structure and factory paint, 1 year on hardware.
Conditions: Only valid for the original owner and first installation.
Limitations: Not covered if repainted, used open, or exposed to aggressive substances.
Care: Use only safe products for plastic and paint.
Repair: Manufacturer decides based on defect evidence.
7. UnderCover SwingCase
Warranty: 1 year on the entire product, including body, locks, hinges, and hardware.
Conditions: Valid from purchase date for original buyer with receipt.
Limitations: No coverage for installation errors, negligence, chemical or mechanical damage.
Care: Clean only with plastic-safe products.
Repair: Repair or replacement available via seller upon manufacturer approval.
How to Submit a Warranty Claim
If a defect is discovered during the warranty period, the product may be returned to the place of purchase, subject to prior approval. Unauthorized returns will not be accepted.
Provide the following:- Order number
- Full name, address, phone number, email
- Vehicle year, make, and model
- Product name or part number
- Description of the issue
- Copy of original receipt
- Photos showing the defect
All claims will be reviewed only upon submission of a complete data package and proof of defect.
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