2020 GMC Sierra 3500HD V (GMTT1XX) Crew Cab Long Bed: 6.6L Duramax V8 diesel engine with detailed engine bay components

Close-up view of a 6.6L Duramax V8 diesel engine featuring air intake, fluid reservoirs, wiring, and various engine components organized inside the engine bay.

View Dimensions of the 2020 GMC Sierra 3500HD V (GMTT1XX) Crew Cab Long Bed

View 25 images of the 2020 GMC Sierra 3500HD V (GMTT1XX) Crew Cab Long Bed

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