power steering fluids

I have an automatic 98 1KZ-TE and I’m looking at changing all the fluids. Brought it back from Japan not too long ago. Everything I see looks like it requires D-II fluid. Seems somewhat difficult to get in the states. I see threads elsewhere saying T-IV can be used in place, but I’m skeptical...

I've got an 1983 FJ45 with stock power steering. Everything is stock. The power steering always leaks; especially if its just sitting around. I got the PS gearbox re-built, with new seals and replaced all the rubber hoses. That helped it was still leaking. After shopping around, I managed...