no, they look similar but cannot interchange without modification.
One transmission that will fit a 1991 Chevy Suburban is a 4L80E transmission.
No.
yes , they are the same bolt patters , might have to change light connections , just put a 85 Scottsdale radiator support on my 91 suburban
Yes it will bolt right up.
yes
No it is NOT even close.
Yes
Fit 96 grill in 95 blazer
Yes.
Yes it will if the 700r4 is out of a 4x4 to start with.
No.
Will a transfer case from a 91 Chevy silverrodo fit a 2001 Chevy suburban?