2019-2025
2014-2018
2007-2013
1999-2006
Installation Time
(approx) 30 Minutes
Difficulty Level:
Simple installation for anyone.
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UnderCover Elite LX Hinged Tonneau Cover; Pre-Painted (14-18 Sierra 1500 w/ 5.80-Foot Short & 6.50-Foot Standard Box)Find parts that fit my vehicle
Item S506270
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M-F 8:30A-11P, Sat-Sun 8:30A-9P
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11 Reviews
Our Price
$1,999.99 - $2,099.99
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- To Learn How to Measure Your Bed Click Here
- Elite LX Hinged Tonneau Cover – Pre-Painted
- Impact Resistant ABS Composite
- X-Effect Design for Increased Strength and Durability
- EPDM Double Bulb Seal to Keep Elements Out
- Paint Matched to Manufacturer Specifications
- Factory Ignition Key to Code the Lock Cylinder on Cover
- Carpeted Underside
- Superior Cargo Protection
- Resistant to Corrosion
- Low Profile Style
- No-Drill Installation
- Made in the USA
- Easy Installation
- 3-Year Limited Warranty
- Fits All 2014-2018 GMC Sierra 1500 Models w/ Short & Standard Box
| Brand | UnderCover |
| Tonneau Cover Type | Hinged |
| Tonneau Cover Installation | Clamp On |
| Tonneau Cover Locking | Keyed Lock |
| Toolbox Compatibility | Not Toolbox Compatible |
Description
Unmatched Innovation. If you are looking for a Tonneau cover that will provide practicality and style for your Sierra, then look no further than the UnderCover Elite LX Hinged Tonneau Cover - Pre-Painted. This innovative cover features a factory ignition key to code the lock cylinder on the cover.
Incredible Engineering. Made from an impact resistant ABS composite material, this X-effect design provides increased strength and durability for all your storage scenarios. Painted to match your factory paint color, this low-profile cover is resistant to corrosion and easy to remove.
Superior Performance. You won’t have to worry about leaks or water damage because of the EPDM double bulb seal that’s strategically engineered to keep the elements out. In addition, this tight seal will aid in keeping the carpeted underside in pristine condition.
Installation. This easy install can be completed in approximately 30 minutes with the help of an extra set of hands and a few socket wrenches.
Warranty. The manufacturer stands behind this cover with a 3-Year Limited Warranty that will replace any defect found as a result of faulty manufacturing.
Application. The UnderCover Elite LX Hinged Tonneau Cover - Pre-Painted fits all 2014-2018 GMC Sierra 1500 models with short and standard boxes.
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 UC1138L-G1W
UC1138L-98
UC1138L-GPA
UC1138L-GPJ
UC1138L-G2X
UC1148L-GPA
UC1148L-GPJ
UC1148L-G2X
UC1148L-G1W
UC1138L-41
UC1148L-41
UC1138L-GWX
UC1148L-GWX
UC1138L-G1K
UC1148L-G1K
UC1138L-GXG
UC1148L-GXG
UC1138L-G1E
UC1148L-G1E
UC1138L-50
UC1148L-50
UC1138L-G7C
UC1148L-G7C
UC1138L-GAN
UC1148L-GAN
UC1138L-66
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
- Hardware
- Installation Instructions
4.9
Customer Reviews (11)
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
