2011 - 2014 Chevy GMC Duramax Diesel Transfer Case Assembly OPTION CODE: NQF; Includes: Shift Motor; 33 INPUT SHAFT SPLINES. 31 OUTPUT SHAFT SPLINES. REAR OUTPUT SLIP YOKE. ELECTRIC SHIFT.; TAG: 23164316, 23188335, 23240762, 24245111, 24257577, 24261512 very low mileage (tested) MP1625 MP1626