GMC Logo2015 GMC Sierra 2500HD IV (GMTK2XX) Crew Cab Long Box: Front view of engine bay with visible intake and fluids

Front view of engine bay with visible intake and fluids

Front view of an open engine bay showing the air intake, coolant reservoir, wiring, and other engine components under the hood.

View Dimensions of the 2015 GMC Sierra 2500HD IV (GMTK2XX) Crew Cab Long Box

View 24 images of the 2015 GMC Sierra 2500HD IV (GMTK2XX) Crew Cab Long Box

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Small red car