please don't blame me for making a bunch of threads, but i can`t find size or where to buy them. Someone before me damaged fitting bolts with metric wrench.
And another queestion is it correct that correct line size is 3\8 (now i got 8 mm lines) ?

I really need to know where to buy male part of fitting

 

I would expect that they are all metric, just like everything else on the vehicle and if I'm wrong, I welcome the correction. Have you tried NAPA?

 

here is it on car:

line outer diameter is 5/16 or 8 mm. Male fitting thread 1/2-18, bolt wrench size - 1/2 or m13 ( edges are damaged, that`s why i can`t measure it properly)

 

There are two of those, one upper and one lower. I am under the belief that everything on these vehicles is metric and IIRC, I think used a 13mm on mine. I just changed my radiator last week but I can never remember what size wrenches I used.

 

Yes of course two, but I had to cut lower one with saw, and now need new ones, because lower fitting bolt was "round".And my problem is that I can't find part number, or link where to buy theese fittings.