2015-2019 GMC Sierra 3500HD Hard Folding Bed Covers

Every hard folding bed cover here is fitment-verified for the 2014-2018 GMC Sierra 3500HD. Filter by bed length to fit both the 6.5-foot standard and 8-foot long bed, with BAK BAKFlip, UnderCover ArmorFlex, and Extang options that clear gooseneck and 5th-wheel hitches.

Can I access a gooseneck or 5th-wheel hitch without removing the cover? Yes. The BAKFlip and ArmorFlex panels fold completely flat against the cab for full bed access -- no uninstall required to hook up.

If it is listed here, it bolts to your 1-ton Sierra HD -- guaranteed.