vtune

I am looking into an OEM / aftermarket replacement for the oil cooler core that sits behind the right passenger side fog light. After searching online I found two different part numbers:

209 500 06 00
204 500 31 03

Has anyone replaced this part? What's involved?

L8brker

I know fluid motor union made one but not sure of the results on that .
Also check out forum member dads c63 he put all the black series coolers on which were a pretty easy fit from what I remember .

vtune

Thanks, I think the BS version would be much more expensive than OEM. Also looks like the 204 part is not the AMG version, surprisingly it comes up on parts.com when searching for the c63 oil cooler.

Merc63

I have centre and pass anger side oil coolers for sale. The side cooler is brand new.

zibby43

I remember reading that the Fluid MotorUnion kit ended up running hotter than OEM. People were advised to stay away. I'll see if I can find the link.

Edit: Found it.

See post #48.

https://mbworld.org/forums/c63-amg-w...-cooler-2.html

"I have one and tried it , it dosent work the OEM cooler is better than FMU and it suppose to lower oil temp guess what the opposite happend increase in Oil temp."

vtune

^ thanks I saw a few threads that said it did not work well. I think I will have to stick with OEM. Will attempt to remove my bumper to inspect mine before going ahead.

zibby43

No problem! Good luck with the project.

tfthach13

Just some food for thought:

I've found that OEM parts (especially for an AMG) are almost always better than aftermarket. There are rare cases where aftermarket is clearly better, but you have to consider the amount of R&D that went into an AMG.