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Old January 2nd, 2018, 19:14   #13
Veteran Member
Join Date: Jan 2008
Location: Ledgedale, PA
TDI(s): 97 Passat

Reviving this older thread, hoping that maybe others have used a B4 VR6 120A alternator on their TDI's since the start of this conversation back in '09. Driving home tonight with temps in the single digits, found myself in need of a new alternator. Having a B4 VR6 (manual trans) alternator in hand, I was hoping I could use this one until I can get another replacement or rebuild the TDI alternator.

From what I can see, only difference is the pulley, VR6 pulley is slightly wider. Both are Bosch 14V/120A, same electrical connections, cases look exactly the same.

The numbers on the TDI alternator - 0 123 505 011 and 028 903 025 S, numbers from the VR6 - 0 123 510 007 and 021 903 025 G.
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