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2012 GMC Sierra Denali HD 2500 diesel fuel filler cap
  1. 2012 GMC Sierra Denali HD 2500 interior dashboard and front seats overview
  2. 2012 GMC Sierra Denali HD 2500 interior front door panel with wood trim
  3. 2012 GMC Sierra Denali HD 2500 engine bay with Duramax diesel
  4. 2012 GMC Sierra Denali HD 2500 Duramax 6.6L engine close-up
  5. 2012 GMC Sierra Denali HD 2500 diesel fuel filler cap
  6. 2012 GMC Sierra Denali HD 2500 hood scoop with Duramax 6.6 HD badge
  7. 2012 GMC Sierra Denali HD 2500 front wheel with chrome alloy rim
  8. 2012 GMC Sierra Denali HD 2500 full side profile parked in open lot
  9. 2012 GMC Sierra Denali HD 2500 front view straight on in gravel lot

2012 GMC Sierra Denali HD 2500 diesel fuel filler cap

By William Maley

Close-up of the 2012 GMC Sierra Denali HD 2500's green diesel fuel filler cap, clearly marked "Diesel" to identify the truck's Duramax turbodiesel powertrain requirement.
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    2012 GMC Sierra Denali HD 2500

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