I assume you are saying just the slider broke. You can easily replace the slider. You need to remove the stop, put on a new YKK#10 and a new clip on stop. jeepit.com and ebay have slider kits.
2003 TJ, 33" BFG AT, 2" BL, 2" BDS spring lift, Truck Lite headlights, Homemade sunrider top.