Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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UnderCover Flex Tri-Fold Tonneau Cover; Black Textured
(15-19 Sierra 2500 HD
Item HG3657
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Product Information
Features, Description, Q&A, Specs & Installation
Features & Specs
- UnderCover Flex Tri-Fold Tonneau Cover
- Features a Patented Line-X Coating
- Can be Fully Open or Partially Closed
- Integrated with Dual-Action Tailgate Seal
- Covered by a Hassle-Free 5-Year Warranty
- Designed with Automatic Latching System Locks
- Made with Robust Black Textured Finished Aluminum Panels
- With a Rigorously Tested and Proven Performance
- Boasts a Corrosion- and Rust-Resistant Composition
- With Application- and Vehicle-Specific Properties
- Has a Painless, Mod-Free, and Drill-Less Installation Procedure
- Made to Meet or Exceed Industry-Leading Quality and Safety Standards
- Engineered for all 2015-2019 GMC Sierra 2500 HD Models
| Brand | UnderCover |
| Tonneau Cover Type | Hard Folding |
| Tonneau Cover Installation | Clamp On |
| Tonneau Cover Locking | Locking with Tailgate Lock |
| Toolbox Compatibility | Not Toolbox Compatible |
| Tonneau Cover Fold Type | Hard Folding - Tri |
Description
Robust Black Textured Finished Aluminum Panels. This game-changing UnderCover Flex Tri-Fold Tonneau Cover is engineered with robust matte-finished aluminum panels and features a patented Line-X coating for unmatched durability. Enjoy the convenience of an automatic latching system and a dual-action tailgate seal, allowing the cover to be fully open or partially closed to meet your specific needs.
Innovative Tri-Fold Style. Offering hassle-free installation and backed by a 5-year warranty, this UnderCover Armor Flex cover is the ultimate blend of performance and style for your GMC Sierra 2500 HD.
Installation. Putting this UnderCover Flex Tri-Fold Tonneau Cover on your GMC Sierra 2500 HD is easy and requires no drilling.
Warranty. There is a Hassle-Free 5-Year Warranty on this product.
Application. This UnderCover Flex Tri-Fold Tonneau Cover fits all 2015-2019 GMC Sierra 2500 HD Models.
UnderCover FX11019
FX11025
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Install Details & What's in the Box
Installation Info
What's in the Box
- (1) Tonneau Cover
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4.8
Reviews of UnderCover Exterior Products (498)
Questions & Answers
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Will It Fit My Sierra 2500
- 6.0L V8 - 15, 16, 17, 18, 19
- 6.6L V8 Duramax - 15, 16, 17, 18, 19
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