Replaceing u-joints
 

My first post here, new to this. I want to replace my u-joints on front and rear shafts, considering my ex has 247,000 miles on it and has all oriental parts. What else should I replace? I have no leaks at diff's or transfer case, CV joint?

I would do the u-joints, and leave the t-case and cv joint alone if your not having issues with them,