OK.  Some numbers to further confuse the matter...

I have 4 locking gas caps in front of me.

The (3) caps with VW part # 251 201 553 will open with an ignition key and
with any of the 4 different ignition keys that I have.

The single cap with VW part # 251 201 551C will only open with the smallish
GAS key but none of the 4  different ignition keys I have will even fit in
the cylinder.  No surprise after looking closely at them cuz the inside of
the cap is considerably shorter and smaller than the other caps.

I like the cap that requires the ignition key so I don't forget the cap
after filling up.

Andrew

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
Tom Buese
Sent: Thursday, September 16, 2010 9:09 AM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: locking gas cap

My 84 separate gas cap key has an  A110 on it & is different than the
top 1/2 of my ignition key.

YMMV,

Mr. BZ-to key or not to key, that is the question?

On Sep 16, 2010, at 9:40 AM, Sudhir Desai wrote:

> Both my '84s used the top-half of the ignition key (as a separate key)
> for the gas cap.
>
>
> Sudhir
>
> On Thu, Sep 16, 2010 at 11:23, Tom Rowsell <86westy@geoexploits.org>
> wrote:
>> ...my '86 has a separate gas key, with "A108" etched on it.
>> Ignition key
>> does not fit...
>>
>> On Thu, Sep 16, 2010 at 11:52 AM, The Bus Depot
>> <vanagon@busdepot.com>wrote:
>>
>>>> FWIW, when I bought my '91 2WD new from the dealer it came
>>>> with an ignition key, a glovebox key and the short gas cap
>>>> key. The ignition key does not unlock the gas cap.
>>>
>>>
>>> Interesting. My '87 Westy, with 48k original miles, has the same
>>> key for
>>> the
>>> ignition and gas cap. So did my '89. However currently available
>>> (OEM
>>> German) replacement 2WD gas caps come with a small key as on your
>>> '91.
>>> Maybe
>>> VW changed it late in the model's life cycle?
>>>
>>> - Ron Salmon
>>>  The Bus Depot, Inc.
>>>  www.busdepot.com
>>>  (215)  234-VWVW
>>>
>>> _____________________________________________
>>> Toll-Free for Orders by PART # :  1-866-BUS-DEPOT
>>>
>>