I used a pressure pump to find a leak in my radiator. The leak is coming from (WARNING! car ignorance) The coolant outlet...As I doubt that's the actual name I'll attempt to explain....on the bottom passenger side of the radiator there is a black plastic/rubber "device" connected to it is the lower radiator hose. The leak is not coming from the hose of the hose connection, rather somewhere in this "device".
So my question is, is this a part that I can buy and replace in an attempt to save myself money from buying an entire radiator, or is this part of a full radiator replacement?

 

year make model would help this conv make head way

 

If your car has plastic radiator tanks then you have a plastic fitting where the hose connects to the lower tank. If it's not the hose leaking..... then the plastic fitting is cracked where it connects to the tank.

This is a molded fitting and is known to crack and leak. Many have tried epoxies and glues. It may or may not work. There really is no reliable repair.

 

2003 dodge grand caravan



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Ignore the red arrow in the pic, but are you talking the fitting at the lower right side in the pic?

 

Yes thats the spot! I cant see the exact spot, but i know its coming from there

 

All radiator there. Aftermarket units aren't very expensive if you're up for the labor involved, some vehicles easier than others. Found some for under $100 delivered for your Caravan.