2013 GMC Sierra 3500 HD equipped with 6.6L V8 Diesel OHV Turbo, 6.0L V8 Gas OHV, 6.0L V8 Flex OHV
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I.D. 20MM 20MM ID 2-SPD ELEC SHIFT TRANSFER CASE(NQF),2-SPD MAN SHFT ALUM TRANSFER CASE(NQG) 4WD
2013 GMC Sierra 3500 HD equipped with 6.6L V8 Diesel OHV Turbo, 6.0L V8 Gas OHV, 6.0L V8 Flex OHV
I.D. 20MM 20MM ID 2-SPD ELEC SHIFT TRANSFER CASE(NQF),2-SPD MAN SHFT ALUM TRANSFER CASE(NQG) 4WD