The AL27X is the original Alternator for the 83.5-85 1.9 Wasserboxer and is
still offered by Bosch.  The AL33X is a newer version original installed on
2.1's and is the interchangeable replacement for 83.5-85 and has an extra
"W" terminal not utilized on your year.

Some 85's used a different alternator, AL30X, with a different connector,
although I've never seen one yet.

As a reference check the images on the page I designed for Bus Boys for
their catalog back in the mid 90s and is now on their website at:

http://www.bus-boys.com/charging91.html

----- Original Message -----
From: "Paul & Becky Oliver" <oliver8@TDS.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Monday, August 23, 2004 1:42 PM
Subject: Need Alternator 85 water cooled

> I'm not sure which alternator (AL33X or  AL27XOR) in need for my 1985, 1.9
> water cooled. Can someone send me info where and how much?
>
> Paul Oliver
> oliver8@tds.net