I’ve heard 5.9s will run for a million miles but I’ve never seen one. I’ve seen 350k is about the time they start to die. I understand maintenance and all that good stuff makes a difference and how the owner drives it but is buying a 5.9 24v with 350k stock engine and transmission and not rebuilt worth getting or at least taking a chance one for about 7k? I work on my own vehicles but don’t know what’s to high or not worth getting.