Fitment: 2001-2007 GM 2500HD & 3500HD with 6.0 gas engineDescription: This remanufactured transfer case fits 2001-2007 classic GM trucks. This is for the FLOOR SHIFT model
Fitment: 2011-2015.5 GM 2500HD & 3500HD with 6.0 gas engine. This is for a screw in speed sensor NOT bolt in.Description: This remanufactured transfer case fits 2011-2015.5 GM trucks. This is for the ELECTRIC SHIFT model