> The pierburg also has a heavy duty rubber insulator around
> it, but its too narrow to get around the bosch.
>
> Is it necessary to have an insulator, or can I just install
> the bosch as is and not be concerned?

The Bosch never had the rubber insolater. This actually was part of the
Pierburg pump. You do not need it.

- Ron Salmon
  The Bus Depot, Inc.
  www.busdepot.com
  (215)  234-VWVW

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