For the front wood bow see part # 644
which describes the quality of the engine oil at high temperatures (150 °C) in the lubricating gap and with high shear rate (engine speeds)
Porsche High performance billet aluminum transmission filter for 996 (2002-2005) and 997 (2005-2011) models
Porsche Dual mass flywheel for 997 models (2009-2012)
Porsche Switch Assembly for Hood and Decklid Release - 911/Boxster/Cayman 05-13 997-613-105-02-A05 98635293910--GEN For the front wood bowPorsche Switch Assembly for Hood and Decklid Release for 911 (2006 2011) , 911 Carrera (2005, 2012), 911 Carrera 4 (2012), 911 Carrera 4 GTS (2012), 911 Carrera 4S (2012), 911 Carrera GTS (2012), 911 Carrera S (2005, 2012), 911 Targa 4 (2012), 911 Targa 4S (2012), 911 Turbo (2012 2013), 911 Turbo S (2012 2013), Boxster (2005 2012) and Cayman (2006 2012) models.