My '96 Cherokee Sport does, so I bet a '98 does.
The grand Cherokee is a body style, sport is a trim package that is used on all jeep models(wrangler, Cherokee, grand Cherokee, patriot, ...)
1996-2000 Cherokee.
The fuel pump is in the gas tank on a 1999 jeep Cherokee sport.
Yes, they are the same vehicle, the sport is just a option package.
NoNo
Jeep Cherokee XJ 1984-1996 should interchange Jeep Cherokee XJ 1997-2001 should interchange
Sport, Country Classic, Limited, (and others) are the names of available option packages. You basic 1984-2001 Cherokee is pretty much the same as any other Cherokee.
No, the XJ Cherokee does not have the same heater box as a WJ Grand Cherokee.
It is one of the available trim packages.
Turn signals
No