The following parts listed below are for MK5 Jetta's for 2008.5, 2009 and 2010. When taking apart a 2.0T TSI engine in a MK5 Jetta, it is often recommended to replace the gaskets for any part removed. Some of the gaskets are 1 time use and should never be reused others may be reused. Reusing the gaskets is not generally advised as replacing them will ensure you will not have any future leaks or issues. No likes to do the same repair twice, replace the gaskets on your TSI engine.