American Axle and Manufacturing part number 40038571
Technical specifications, 2.299" Ground Hub (barrel diameter)
1.74803 spline diameter
9.550" Center to end.
This slip uses the AAM u-joint number 74081485. This slip yoke fits the transfer case rear output of 4x4 2500 Ram trucks and some 1500 4x4 mega cab trucks with either the 271 or 273 transfer case.