2007 GMC Sierra 1500 III (GMT900) Extended Cab Standard Box: Close-up of powerful V8 engine bay with various components under open hood

Detailed close-up of a V8 engine bay featuring air intake, alternator, fluid reservoirs, and various hoses and cables neatly arranged under an open hood.

View Dimensions of the 2007 GMC Sierra 1500 III (GMT900) Extended Cab Standard Box

View 25 images of the 2007 GMC Sierra 1500 III (GMT900) Extended Cab Standard Box