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

Close-up image of an engine bay displaying the Duramax 6.6L HD diesel engine with visible components such as air intake, fluid reservoirs, wiring, and engine cover.

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

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

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