HI,

from what I have seen in the past with VW numbering the letter at the end
is incremental so c supercedes b which superceded a etc etc. There are a
few exceptions that I know of however. In Vanagons there is the Euro ecu
for the 2.1 the e denotes auto and f denotes manual, again however if using
these in a US spec 1.9 you can use either. I know you where asking about
Eurovans specifically but thought I would tell you what I know and have
seen.

Best of luck

Nij

On Wed, Jan 23, 2013 at 12:09 PM, sailingfc @dslextreme.com <
sailingfc@dslextreme.com> wrote:

> Eurovan parts, but Vanagon related.
>
> I most likely have to replace my ECU/ECM after my engine fire.  My ECU part
> number is 023 906 023.  I see an ECU on ebay with the part number 023 906
> 023C.  How compatible is this to mine?  What about other ECUs with the same
> numbers and a different letter?
>
> Thanks.
>
> -Dick Wong-
> 78 Scirocco
> Original Owner
> 87 Syncro 2.5 (slightly crispy)
> Third Owner
> 12 Golf TDI
> Original Co-Owner
>