You obviously have a very early bumper.
The 1980 vanagons had two holes in the bumper
witch the end cap had two small tits that went thru.
You then had a small metal  catch ring that grabbed
these  tits.   This was soon change to the single center
carrage bolt  design.
                          Joe W.

Rich Bennington wrote:

><
>Date:    Mon, 24 Apr 2006 21:49:58 -0400
>From:    Brian Honan <cartruckbus@GMAIL.COM>
>Subject: End caps
>
>Just recently purchased new end caps, the "Hardware" is nothing more than a
>little shim that seemed not necessary and a simple mushroom head black bolt.
>The price of the "hardware" is $5 !!!!!
>Brian Honan
>
>
>I too bought a new end cap (have an '84), but I'm still just a little
>confused.  On the bumper, in the front, are two holes that would appear to
>not be used.  On the cap, there is the one center hole for the carriage
>bolt, but no matching hole in the bumper.  Is this carriage bolt (black
>bolt) just a cosmetic thing?
>
>Is the cap only held on by the two little plastic slide projections on the
>top and bottom and the side screw at the rear?  Or is there some other
>hardware I need to buy.
>
>Rich
>
>
>
>