2007-2014 GMC Sierra 3500HD Extended Cab Running Boards & Nerf Bars

Shop running boards and nerf bars for 2007, 2008, 2009, 2010, 2011, 2012, 2013, and 2014 GMC Sierra 3500HD Extended Cab trucks. People Auto Parts carries aftermarket side steps for compatible Extended Cab models, including black, stainless steel, 5-inch, 6-inch, wide-step, and drop-step styles.

Extended Cab fitment is important because GMC Sierra 3500HD Extended Cab, Crew Cab, and Regular Cab running boards are not interchangeable. Product length, brackets, and mounting points can vary by cab style and model year. Some products in this collection may list