2009-2012 Porsche Cayman 2.9L H6. 2007-2012 Porsche Cayman 3.4L H6. 2007-2008 Porsche Cayman 2.7L H6. Notes: Engine Coolant Reservoir Cap -- Standard; 20 lb. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.