For me. I try to use genuine factory parts if at all possible.
Being in the heavy equipment business my whole life. I’ve seen how other parts stand up.
Just my opinion.
Make sure coolant level is correct.
Also confirm antifreeze concentration is correct. To high a concentration and the heat will not dissipate correctly.
Confirm it’s truly get hot.
Check the temperature difference from the top to bottom tank. Typical temperature drop should be approximately...
We’ve fostered for about 20 years. Only one foster fail. He has since passed. Most were for the Australian Shepherd rescue. But did a few locals as well.
Or pack is at 2 right now and they do pretty well.
My wife says after these 2 we’re going to something that doesn’t shed and not so high...