TDI Vacuum Pump Seal 038 145 345
One OE vacuum pump seal for the ALH engine found on the following cars:
1999.5 - 2003 Golf and Jetta TDI
1998 - 2003 New Beetle TDI
You should replace this seal every time you remove the vacuum pump. Prepare cylinder head by buffing sealing surface with Scotch-Brite prior to install.