When you swap the gearbox bits make sure you either modify the Montero front case for the larger SQ bearing or use the full SQ front case. Too many people swap the gears but still keep the smaller input bearing just to have the box fail.
I do prefer electric fans especially for this swap.

Cheers, Charlie
If It ain't broke, Modify it!
87 Montero turbo Converted back in Spring1989
95 Montero SR 3.8 DOHC Only one?
93 Pajero 3 door 6G75 Mivec with paddle shifted 5 speed
Then a Gen2 SR with full coil independent suspension.