Thank you so much Howard... So I'll go for the part with a A then, although I do not know what they changed to it...Alain 

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> On 2013-11-01, at 06:01, raceingcajun <raceingcajun@COMMUNICOMM.COM> wrote:
> 
> Alain,
> 
> Generally a letter after a part number is the way Volkswagen used to
> identify a part that has been updated in some manner. In other words part
> number 123 456 789 "A" is earlier than 123 456 789 "B", all other things
> being the same. So your part number 025 906 302 "A" was made after 025 906
> 302, with a change, addition, or improvement to 025 906 302.
> 
> Most manufactures break down their part numbers for ID purposes. In
> Volkswagen/Audi"s case, the first three numbers indicate the model "025"
> Vanagon...."906" an electrical system part,.... the third numbers are the
> part id number, and a letter indicating a later version of the part, as I
> said.  A Bug part number for example would start with "111" for a standard
> Type I, and "113" for a Super Beetle, A Karrman Ghia is a "115", etc, and so
> on. In the case of say in interior part, or a part where it is colored, the
> part number is followed by the color code, 123 456 789 OTC  for "black" as
> an example. A good Volkswagen parts man can read the part number and tell
> almost everything about it.
> 
> Howard
> 
> 
>> From: "Alain Thibault" <alainthibault@TELUS.NET>
>> Sent: Friday, November 01, 2013 12:12 AM
>> Subject: [VANAGON] Vanagon-Syndrome-Air-Flow-Meter-fix
> 
> 
>> Sorry to come back with this again, but could someone tells me if there is
>> a
>> difference between harness 025 906 302 and harness 025 906 302 A ...
>> Thanks
>> Alain
>> Westy 1986