The cap is on the plastic overflow bottle on the firewall.
That depends on what size engine you have. HOwever, most Jeep Cherokee/Grand Cherokees had compatible parts from 1984 to 1998(1). (1)Chilton Repair Manual
No.
Yes, only if they have the same engine.
Jeep Cherokee - XJ - was created in 1984.
What engine?
nothing.
It can be done, but it won't be a simple "plug and play" swap.
how to change radiator 1995 jeep grand Cherokee Laredo
It is between the engine and the grille.
Yes
none TRU DAT
Jeep Cherokee XJ 1984-1996 should interchange Jeep Cherokee XJ 1997-2001 should interchange