gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Drive Sprocket, Transfer Case > < Transfer Case - Drive Chain And Sprocket Revision
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components will be the only design available for service. 

38.1 mm (1.50")

31.75 mm (1.25")

To determine the design level of the components within the assembly, measure the width of the drive sprocket teeth.

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Drive Sprocket, Transfer Case > < Transfer Case - Drive Chain And Sprocket Revision