Engine swap

Hi everyone

I recently bought a Jetta 2009 cbea engine and i would like to wap the engine due some issues, high mileage and some others problems.
The question is.
If i buy a CJAA engine what are the issues i will have to sort. I already read the thermostat. Could you please tell me what to do with it! Is there any thermostat for this swap?
Thanks in advance.

Hi, I am in the same situation, where my CBEA died from a ripped serpentine belt that got caught in the timing belt. Did you finally replace yours with a CJAA engine? How did it go? Did you have to do many adjustments?

Thank you,
BartS