This universal cam plate works for all TDI from 1996 up to and including 2003. For 1Z and AHU engine codes (used in Passat and Golf/Jetta 3 (or MKIII) from 1996 - early 1999) and the ALH engines (used for 1999.5 Golf/Jetta 4 (or MKIV)and all New Beetle TDI) up to and including 2003 models. This tool locks your camshaft at top dead center. Precision machined from stainless steel. Also works on earlier VW 4 cylinder 1.5 and 1.6 liter diesels and turbodiesels. Not for 2004 and later PD engines.