jbaj, if the regulator looks like the one on this picture, I don't see how it will fit in. Like I said I seem to have a different kind of alternator. It's a Motorola but the regulators on sale appear to be Bosch. Maybe that's the problem.

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2004 VW Jetta TDI (manual)

Past MB's: '96 E300D, '83 240D, '82 300D, '87 300D, '87 420SEL