Found one at my local yard and installed it in my 89 with a 95 XJ complete 4.0 driveline. Been to 105 but she had more , just not into pressing my luck
I would first take pictures of up underneath to get a better feel of what's a matter. But if I had to guess, considering no worn components before hand I would say the steering box spacer broke or it might've cracked your frame .
I have parts from # 7 that came from a junkyard in California and other S/C parts I got from southern Ohio which I have no idea what number it was .
I know it's not thread worthy, just trying to account for where 2 of the hundred have gone ...
Take the track bar bracket off and out of the truck. you'll have a lot better chance of working on it because you'll be able to see what's going on. You could try heating the outer portion where the track bar goes through and that should loosen it up some