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Rear Cayenne Turbo calipers fitment issues

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My rear turbo calipers needed to be replaced, so I got some new ones off this Porsche Parts vendor who is not answering my emails at the moment, so maybe you can help.

I had an independent mechanic attempt to install them, and it bolted on fine. Then when he tried to mount the rotors, they were too small! He told me that it looks like the heat shield, rotors, and possibly the pads all needed to be replaced.

I was very upset. Were there changes to the rear Calipers in terms of size throughout the years?

I was thinking that maybe he sold me the rear calipers that were part of the tequipment turbo power kit package.


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Whatr are the part numbers on the rotors?

And... what year is your Cayenne?

S, TT or V6?

2005 TT. I have the part #s for the calipers I received, they are 955 352 422 61 and 955 352 421 61. Do you have the part #s for the correct one I should be receiving? Thanks!

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Thank you! I have opted to place these rear ones on sale on ebay.

I called the dealer and they gave me this part # 955-352-421-50 and 955-352-422-50. These are the right ones for a normal turbo correct?

Edited by RyRy210
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