Undercover · New
UnderCover 14-18 GMC Sierra (19 Limited) / 15-19 2500 HD 6.5ft SE Smooth Bed Cover - Ready To Paint
MPN UC1146S · Store SKU undUC1146S
Supplier stock checked 11/7/2026, 11:12:43 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
UnderCover introduces the new UnderCover LUX, painted with a smooth gray finish which needs to be painted prior to installation, truck bed cover. The new LUX program will deliver to you, the highest quality truck bed cover available. A cover with all the things you have grown to love from UnderCover; lightweight, easy to install, durable, easy to remove, and more. For more information please visit www.UnderCoverInfo.com UnderCover SE Smooth 2014-2018 (2019 Limited) GMC Sierra 1500/2015-2019 2500 HD/3500 HD 6ft. 6in. Bed Std/Ext/Crew Cab Grey smooth paintable UnderCover SE Smooth 2014-2018 (2019 Limited) GMC Sierra 1500/2015-2019 2500 HD/3500 HD 6' 6" Bed Std/Ext/Crew Cab Grey smooth paintable SE Smooth 14-18 (19 Limited) Sierra 1500/15-19 2500HD/3500HD 6'6" SE Smooth
Manufacturer fitment & guides
Check UC1146S against the manufacturer’s application information below.
Part-specific notes
- Freight shipping required.
- California Proposition 65: Y