2019-2025
2014-2018
2007-2013
1999-2006
Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
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UnderCover Flex Tri-Fold Tonneau Cover; Black Textured (14-18 Sierra 1500)Find parts that fit my vehicle
Item S506265
Sierra 1500 Sales Techs:
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M-F 8:30A-11P, Sat-Sun 8:30A-9P
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55 Reviews
Our Price
$1,099.99 - $1,199.99
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- To Learn How to Measure Your Bed Click Here
- Flex Tri-Fold Tonneau Cover
- Black Textured Finish
- Lightweight/Stronger
- Dent Resistant
- Low-Profile Design
- Three Secure Driving Positions
- 100% Bed Access
- Heavy-Duty Construction
- Fiberglass Reinforced Panels
- Easy, No-Drill Install
- Weather Resistant
- UV Protective Black Finish
- Mounting System Equipped w /Rubber Seals
- Drain Tubes Carry Water Away From and Out Of Bed
- Easy Installation
- Made in America
- 3-Year Warranty
- Fits All 2014-2018 GMC Sierra 1500 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 |
Description
Innovative Design. Undercover continues to build quality Tonneau covers to upgrade your vehicle. The UnderCover Flex Tri-Fold Tonneau Cover - Black Textured is a stylish low-profile design that will give your Sierra the classic look you want. Made from a heavy-duty fiberglass that’s been reinforced, this tri-fold cover allows three secure driving positions for all your hauling needs.
Cutting-Edge Technology. This cover allows you to have 100% bed access in any position for optimal utility. Engineered to be stronger yet lightweight, this dent resistant cover is also resistant to the elements and harmful UV rays.
Superior Quality. Proudly made in America, the mounting system is equipped with rubber seals and drain tubes that carry water away from and out of the bed.
Installation. This easy install can be finished in 1 hour with the use of basic hand tools.
Warranty. The manufacturer stands behind this Tonneau cover with a 3-Year Limited Warranty. Any defect or flaw found in the materials or workmanship will be covered in full.
Application. The UnderCover Flex Tri-Fold Tonneau Cover - Black Textured fits all 2014-2018 GMC Sierra 1500 models.
Technical Note. Not sure of your bed size? Click here for an instructional video explaining how to measure your bed length.
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Fitment:
- 2014 GMC Sierra 1500
- 2015 GMC Sierra 1500
- 2016 GMC Sierra 1500
- 2017 GMC Sierra 1500
- 2018 GMC Sierra 1500
UnderCover FX11018
FX11019
FX11025
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Tonneau Cover
- (1) Hardware
- (1) Installation Instructions
4.5
Customer Reviews (55)
Questions & Answers
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Will It Fit My Sierra 1500
- 4.3L V6 - 14, 15, 16, 17, 18
- 5.3L V8 - 14, 15, 16, 17, 18
- 6.2L V8 - 14, 15, 16, 17, 18
