2007 GMC Sierra 3500HD III (GMT900) Regular Cab Long Box: Open pickup truck bed with tool bag inside, tailgate down.

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A rear view of an open long truck bed with the tailgate lowered, featuring a tool bag placed inside, illustrating the spacious cargo area and utility capabilities of a heavy-duty pickup.

View Dimensions of the 2007 GMC Sierra 3500HD III (GMT900) Regular Cab Long Box

View 28 images of the 2007 GMC Sierra 3500HD III (GMT900) Regular Cab Long Box