[Falconnest]

maybe tap a hole and add a fitting?

 

[Falconnest]

Those barbs are notorious for breaking. So much so that Dorman created a solution.

https://a.co/d/hYU3bsq

View attachment 55396

The solution you have will hold until it doesn't, but longer term (assuming you don't want to fork out the $$ for a new radiator for now) if/when that fails, use the Dorman.

I’ll have to add this to my bag of tricks. Thanks for the amazing find