REF TSB 12-04-21-001A FOR DES STORY BEFORE ORDERING)(FOR 1ST DES SEE 19259038 FRT HALF 2-SPD MAN SHFT ALUM TRANSFER CASE(NQG) 2nd Design 4WD
2012 GMC Yukon XL 2500 equipped with 6.0L V8 Flex OHV
REF TSB 12-04-21-001A FOR DES STORY BEFORE ORDERING)(FOR 1ST DES SEE 19259038 FRT HALF 2-SPD MAN SHFT ALUM TRANSFER CASE(NQG) 2nd Design 4WD