OEM VW flywheel bolt for all TDIs that use a dual mass flywheel. This bolt is used on all OE 5-speed dual-mass flywheels on MkIV and MkV vehicles, plus the flywheel on the 6-speed manual trasmissions on 2010+ TDIs. It is also used for on the DSG flywheel on all TDI models.
You will need 6.