Not sure which 1999 GMC Sierra Nerf Bars & Running Boards are right for you? We have over 7887 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"They were very simple to install but my truck is a 3rd door and the bars were for a 4-door truck. But overall a good nerf bar for the money." —Paul G from Melbourne, AR bought a Steelcraft 3" Round Step Nerf Bars for a 1999 GMC Sierra, Extended cab, 3-door.