No.
Will a transfer case from a 91 Chevy silverrodo fit a 2001 Chevy suburban?
yes it will
YES, They are the same.
Yes it will.
NO. They are different and will not interchange.
YES they are the same.
YES they are the same.
NO. It is all different
not eactly you will need a transfer case
YES. As long as the 99 was built in the early month of 99 and is not the NEW body design.
no they will not fit the gear ratio is different and the 4x4 axles are longer you will chew out the transfer case as soon as you put it into 4x4 on something packed
not if it is an Oldsmobile engine, Buick, Pontiac, and olds had the same bolt pattern in the 70's, different from Chevy