6.6 Liter DOHC 32V Duramax Turbo Diesel V8 Engine on the 2008 GMC Sierra 3500HD SLE Crew Cab 4x4
6.6 Liter DOHC 32V Duramax Turbo Diesel V8 Engine on the 2008 GMC Sierra 3500HD SLE Crew Cab 4x4 Dually
6.6 Liter DOHC 32V Duramax Turbo Diesel V8 Engine on the 2008 GMC Sierra 3500HD SLE Crew Cab Dually
6.6 Liter DOHC 32V Duramax Turbo Diesel V8 Engine on the 2008 GMC Sierra 3500HD SLT Crew Cab 4x4 Dually
6.6 Liter DOHC 32V Duramax Turbo Diesel V8 Engine on the 2008 GMC Sierra 3500HD SLT Extended Cab 4x4