Engine Number Marking - Cayenne S/Cayenne Gts/Cayenne Turbo/Cayenne Turbo S

1. Remove engine guard.

   > 108019 REMOVING AND INSTALLING ENGINE GUARD 

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Engine number on V8 petrol engines

The engine number can be found at the bottom left on the lower part of the crankcase close to the front-axle transfer gear -arrow-  .