hey guys, i need a new radiator. My car is an S5 with an S4 engine. I was going to get a koyo today but i suddenly remembered about the difference between the S4 and the S5. Mounts different? differnt hoses? thanks -alex

 

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I tried putting a S5 into my S4. bolted to the frame but the filler neck would not allow me to put the fan shroud back on. Could have used the S5 shroud but then it seems there was something different with that and the air duct wouldn't fit. (don't rember this part clearly). I did have it bolted in the car though and it did look like the hoses would connect. Just the shroud and filler neck seemed to be a problem.

I ended up putting the brass aftermarket radiator back in.