What It Is
The PCV/CCV valve for the Mk4 ALH engine, affectionately nicknamed "the puck" by the TDI community.
What This Valve Does
It's part of the crankcase ventilation system, managing crankcase gas flow as part of routine engine operation.
Fitment
1999-2003 Mk4 Golf and Jetta TDI, 1998-2003 Mk4 New Beetle TDI, and 2002-2003 Mk4 Jetta Wagon TDI, all with the ALH engine code.
Common Questions
Why is this called "the puck"?
It's simply the nickname the TDI community gave this small, disc-shaped PCV/CCV valve over the years.
Is this the same as KermaTDI's billet CCV separator puck?
No, that's a separate billet upgrade part. This listing is the standard PCV/CCV valve.
Does this fit the BEW engine?
No, this valve is specific to the ALH engine code.
