I Googled the part number and Bosch.  This pops up:
http://www.thesamba.com/vw/forum/album_page.php?pic_id=1150764  It's a
headlight seal.

-Dick Wong-
78 Scirocco
Original Owner
87 Vanagon Syncro 2.5 (Blaze)
Third Owner
12 Golf TDI
Original Co-Owner

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of B
Feddish
Sent: Saturday, April 18, 2015 10:08 AM
To: vanagon@GERRY.VANAGON.COM
Subject: Part

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                                    =
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