It does not- The nut goes on the engine side.

I pulled a powertrain out this past weekend, so I remember it clearly. The stop collar stops on the trans case- There is nothing on the engine side to stop it.

Dan G. and his Cougar Forged internal (Diamond & Pauter) full 3L, "Monster" Kinger F/I cut & P&P, T3/4 60 trim .82A/R ADC turbo, SPEC Stage 3, Torsen, Greddy Profec-B SPEC II, Apex'i Timer, Lots of Gauges! Used to have: 3.0L SVT hybrid