That sounds like heater box hose. Goes from the heat exchangers to the 
firewall to bring heated air into the cab. I could be wrong, but that 
is what it sounds like. If it is, that should be available at just 
about any Bug (old) shop.

On Jun 28, 2004, at 4:06 PM, Bruce Nadig wrote:

> HELP!
>
> I owe an enormous debt to a Porsche shop that helped me out in my 
> conversion
> of my '87 GL to Porsche power. Now they have ask a favor in return.
>
> They are working on a restoration of a 1959 Porsche Carrera Twin Cam. 
> They
> need heater hose from the Esbarcher (O.K., flame me for the spelling, 
> but
> you get the idea). They know that I'm good at finding parts, so they 
> called
> me. They need these parts as quickly as possible.
>
> This hose is the sort of metalized paper, accordion style stuff. They 
> told
> me that it was 72�mm in diameter. We need about 2 meters of the stuff.
>
> I'm thinking that some of the older air-cooled Vanagons had something 
> like
> this. In my pile of parts from an old parts van that I had I found a 
> part
> that nearly fit this description. The neck was just about 77�mm at 
> either
> end, but then it gets wider. This piece is just a bit longer than a 
> meter.
> Anyone know where in the air-cooled Vanagon heating system this piece 
> came
> from. I have another piece, but its dimensions are different.
>
> I hope that this e-mail doesn't sound too crazy, but they are in a 
> hurry,
> and I'm in a frenzy trying to help pay back a few favors I owe them. 
> All
> help is greatly appreciated.
>
> Cheers,
> Bruce