2015 GMC Sierra 3500HD IV (GMTK2XX) Regular Cab Long Box: Detailed engine bay with visible hood and components

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Engine bay with open hood showing a well-organized powertrain layout, fluid reservoirs, and various engine components with clear visibility and clean design in a heavy-duty vehicle.

View Dimensions of the 2015 GMC Sierra 3500HD IV (GMTK2XX) Regular Cab Long Box

View 22 images of the 2015 GMC Sierra 3500HD IV (GMTK2XX) Regular Cab Long Box