GMC Logo2011 GMC Sierra 2500HD III (GMT900, facelift 2011) Regular Cab Long Box: Close-up of vehicle engine bay components under raised hood

Detailed close-up view of a vehicle engine bay showing air intake, battery, hoses, fluid reservoirs, and wiring under the raised hood in a clean and organized layout.

View Dimensions of the 2011 GMC Sierra 2500HD III (GMT900, facelift 2011) Regular Cab Long Box

View 19 images of the 2011 GMC Sierra 2500HD III (GMT900, facelift 2011) Regular Cab Long Box

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