No, I'm assuming that you're talking about head gasket. It's pretty reliable once you resolve the overheating issues. I have only once drove to Dadu from Karachi and I had no issues and I drive to Hyderabad regularly and never had an overheating issues.
Change parts prematurely (you dont have you if you can source good quality stuff) and it'll keep running with minimal problems. Like change engine oil under a few hundred kms of the limit. I change all the belts in 10k to 15k kms.