2013 2500 4X4 diesel 6.7 coolant system

[sb2013]

One of the radiators is leaking trying to figure out what its called so i can replace it...there looks to be 4 radiators. Im guessing there is a transmission and oil cooling system. If anyone can breakdown the names of the 1st 2nd, 3rd and im guessing the back one is the actually radiator. Thanks

 

[crash68]

The one closest to the cooling fan is the engine radiator, that's the only one with coolant running through it.
The other three are the AC condenser, transmission cooler and intercooler. The trans cooler would leak ATF, distinguishable from coolant as it's an oil. The AC condenser might have oil residue if it leaks but doubt anything would drip on the ground. The intercooler should only handle air.

 

[sb2013]

Thanks for the help trying to figure out to do it myself or take it the shop...need to know the name of if so i can get the part. so the one closest to the fan is not leaking its the second from the front

 

[sb2013]

its a red fluid pretty sure its antifreeze

 

[sb2013]

found it its the

AUXILIARY RADIATOR​

 

[Josephc1]

On the `13 & `14 cummins 6.7 they have 2 rads with engine coolant. 15+ went back to single rad. If you see a y in the coolant piping you have dual rads. Those y's have a reputation for developing leaks

 

[sb2013]

Thanks everyone , it was the aux radiator and i replaced it ...id say 2.5-3 out of 5 difficulty pretty smooth im back on the road!