Very few parts are interchangeable from a YJ to a TJ.
yes
Yes
Yes, that should work.
The wheel should fit, the tire depends on the wheel.
no doors are different. cj 7 will fit but not tj.
Yes, that will fit just fine
Yes that should work
as far as i know it will. YES
yes
2000 to 2006 wrangler 1999 to 2004 grand only cherokee
No.
Yes, it should work, as long as the engines are the same