Engine Coolant Thermostat & Gasket is a direct fit for the following:

2006-2009 Subaru Legacy (Non-Turbo)
2010-2014 Subaru Legacy 3.6L-H6 Only

2005-2009 Subaru Outback (Non-Turbo)
2010-2014 Subaru Outback 3.6L-H6 Only

2006-2007 Subaru B9 Tribeca 3.0L-H6
2008-2014 Subaru Tribeca 3.6L-H6

Genuine Subaru Part Number: 21210AA080