Plastic for cooling sucks.

I've fixed a few of those. My 01 Durango has plastic "Y"s. And I ki
i still use th 50 yea old original rad in my car , never a problem , i change the fluid every 3 years and make sure it is clean with no buildup of crap before i fill it again , plastic forget it had 3 plastic rads go in 2 years on my nissan