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Air - Oil Separator Diaphragm
Porsche Cayenne Air Oil Separator Diaphragm
Check pictures attached to determine the correct diaphragm for 4.8L

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This is the replacement diaphragm for the air oil separator on the Porsche Cayenne V6 and V8 engines. With time, this diaphragm will tear and cause a vacuum leak that will affect the performance of your Cayenne. Porsche does not offer this diaphragm as a separate item and you must buy the complete valve cover at a cost of over $600.

Note: We've discovered that there are 2 versions of the 4.8L engine. If the cap is closer to the front of the engine, it uses the 4.5L version (see picture #3).

If the cap is closer to the middle of the engine, use the 4.8L version (see picture #4).

- Porsche Cayenne 2003-2014

Item# Item Name Our Price Qty Add
KLA.955.001-4.5 Air - Oil Separator Diaphram 2003-2006 4.5L V8
(Out of Stock)
KLA.955.003 Air - Oil Separator Diaphram 2004-2006 3.2L V6
KLA.948.002 Air - Oil Separator Diaphram 2008-2010 3.6L V6
(Out of Stock)
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