It looks like Google has mislead me:
TOYOTA Sequoia models by year (2000-Present) ...
AutoEvolution
https://www.autoevolution.com › Cars › TOYOTA
Jul 25, 2022 — Complete timeline of TOYOTA Sequoia models and generations, ... engine was mated to a 6-speed automatic transmission or a 6-speed...
https://expeditionportal.com/forum/threads/northbound-tundra-building-a-5-speed-manual-transmission-swapped-2001-toyota-tundra-with-2uzfe-4-7-liter-engine-into-an-overland-adventure-vehicle.209023/
Manual swap in Tundra.
It looks like Sequoias came with a manual transmission as an option.
FWIW, I’d swap in an engine, trans, and transfer case as one assembly (if possible). Then build custom driveshafts to make it work. Swap to a centred diff if needed for the rear axle. Spending a small fortune on adapters and then having to somehow get the ECU to work with a different...