2012 GMC Sierra 2500 HD equipped with 6.6L V8 Diesel OHV Turbo, 6.0L V8 Gas OHV, 6.0L V8 Flex OHV
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2-SPD ELEC SHIFT TRANSFER CASE(NQF),2-SPD MAN SHFT ALUM TRANSFER CASE(NQG) 4WD
2012 GMC Sierra 2500 HD equipped with 6.6L V8 Diesel OHV Turbo, 6.0L V8 Gas OHV, 6.0L V8 Flex OHV
2-SPD ELEC SHIFT TRANSFER CASE(NQF),2-SPD MAN SHFT ALUM TRANSFER CASE(NQG) 4WD