6.6 Liter OHV 32-Valve Duramax Turbo-Diesel V8 Engine on the 2012 Chevrolet Silverado 3500HD LT Crew Cab 4x4
6.6 Liter OHV 32-Valve Duramax Turbo-Diesel V8 Engine on the 2012 Chevrolet Silverado 3500HD LT Crew Cab 4x4 Dually
6.6 Liter OHV 32-Valve Duramax Turbo-Diesel V8 Engine on the 2012 Chevrolet Silverado 3500HD LT Regular Cab 4x4
6.6 Liter OHV 32-Valve Duramax Turbo-Diesel V8 Engine on the 2012 Chevrolet Silverado 3500HD LTZ Crew Cab 4x4 Dually
6.6 Liter OHV 32-Valve Duramax Turbo-Diesel V8 Engine on the 2012 Chevrolet Silverado 3500HD WT Crew Cab 4x4 Dually
6.6 Liter OHV 32-Valve Duramax Turbo-Diesel V8 Engine on the 2012 Chevrolet Silverado 3500HD WT Regular Cab 4x4 Chassis
6.6 Liter OHV 32-Valve Duramax Turbo-Diesel V8 Engine on the 2012 Chevrolet Silverado 3500HD WT Regular Cab Chassis