Yes, I see the cruise sensor in the newest photo. There is a separate shaft that looks very muck like what you are holding that goes between the sensor and the transfer case.I’m confused. Don’t I already have this part?
View attachment 3142113
View attachment 3142114
View attachment 3142115
Now that I see the total landscape I suspect that the loose piece has become detached from the speedometer cable core. That means you need a new speedometer cable.