WM 101055 Replacing Crankcase On 4.8-Litre DFI Engines (Except Except Cayenne Tip, Cayenne Man, Cayenne Diesel): Information
WARNING: This page is about a different car, the 2010 Porsche Cayenne, 2009 Porsche Cayenne, and 2008 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.
Component changes for model year 2009 as of October 2008