Uppermost rubber of front shocks seems probable.
The one directly underneath the front shock upper nut/washer.
But if you lose this on a Vanagon in use, there´s more problems to it.

Raimund

Am 18.04.2015 um 19:31 schrieb Larry Alofs:
> Is it oval shaped or is it round with the camera angle making it look
> oval.  Looks something like some unused (round) parts that came with some
> front shocks I installed recently.
>    Was it attached to the van or lying on the ground?
>
> Larry A.
>
>
> On Sat, Apr 18, 2015 at 1:07 PM, B Feddish <uprightbassghost@hotmail.com>
> wrote:
>
>> Can someone identify this rubber part I found under the van?  The glasses
>> are for scale, no wisecracks. ;)
>> http://www.feddishbasses.com/vw/part.html
>>
>> Thanks,Bryan