Transfer Case Np249J Input Shaft USA Standard GearNP249J t case Input Shaft 23Spline . NP249J Transfer Case (New Process) Input Shaft 15 16 Bearing 23 spline 5 Overall Length Old Style Teeth Features and Benefits: NP249J Transfer Case (New Process) Input Shaft 15 16 inch Bearing 23 spline 5 inch Overall Length Old Style Teeth Details: AAP UDA 4: 50 Application Summary: 1988 1993 Dodge Dakota Base Le Sport Se Shelby S (Note: NP231D Transfer Case, Input Shaft, 23 Spline, 5 inch. Long, Fits 0. 94 inch.