Undercover · New
UnderCover 17-18 GMC Sierra 1500 (19 Limited) 5.8ft Elite LX Bed Cover - Gasoline Elite
MPN UC1138L-GPA · Store SKU undUC1138L-GPA
Supplier stock checked 11/7/2026, 11:26:43 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Oversized / freight item — shipping is quoted separately. Free shipping does not apply. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
The Elite LX is the newest cover from UnderCover. It comes standard with all the features from the UnderCover Elite. Weve added a premium carpet lined underside, topped with flawless paint to match to make the LX the sharpest tonneau on the market. Engineered to provide a precise fit and finish to your truck bed. Undercover Elite LX 2017-2018 (2019 Limited) GMC Sierra 5ft. 9in. Bed Crew/Ext Cab GPA(WA457B)-Gasoline Undercover Elite LX 2017-2018 (2019 Limited) GMC Sierra 5' 9" Bed Crew/Ext Cab GPA(WA457B)-Gasoline Elite LX 17-18 (19 Limited) Sierra 5'9" - GPA Elite LX
Manufacturer fitment & guides
Check UC1138L-GPA against the manufacturer’s application information below.
Part-specific notes
- Freight shipping required.
- California Proposition 65: Y