Go Rhino RB10 Slim Line running board kit for 2015–2019 GMC Sierra 2500/3500HD Crew Cab Diesel provides a slim, full-length step with a four-inch louvered tread that protects panels and eases entry. Fabricated from 16-gauge zinc-coated galvanized steel, the boards are offered in textured or bedliner finishes and include mounting brackets. A Limited Lifetime warranty covers materials and construction; the finish carries a 5-year warranty.
Go Rhino 15-19 GMC Sierra 2500/3500HD CC 4DR Dsl RB10 Slim Running Boards Kit(w/Brackets) - Tex. Blk