The RB10 Slim Line running board provides a slim, full-length step and panel protection for 2015–2019 GMC Sierra 2500/3500HD Crew Cab diesel models. Constructed from 16-gauge zinc-coated galvanized steel with a Raptor-inspired louvered face measuring four inches at the widest point, it includes mounting brackets and a protective bedliner coating. The kit carries a limited lifetime materials warranty and a five-year textured black finish warranty.
Go Rhino 15-19 GMC Sierra 2500/3500HD CC Dsl RB10 Slim Running Boards Kit (w/Brackets) - Bedliner Ct