My local Carquest makes Hydro hoses/cables.  Take the original out and take it to them.  They will make you a new one at a FRACTION of the cost.  

Assuming you have the system evac'd of course.  

> Date: Tue, 12 Jun 2012 16:21:48 -0400
> From: wildermuth@ALUM.MIT.EDU
> Subject: A/C hose from Compressor to Radiator
> To: vanagon@GERRY.VANAGON.COM
> 
> I have an '87 Vanagon GL.  I took it to the local Goodyear service to
> have the air conditioning worked on and they said they found a bad
> fitting and replaced it but when they charged it up, they heard a
> hissing and identified it as coming from the line running from the
> compressor to the radiator - the line closest to the center of the
> vehicle of the two that run to the front on the driver's side.  They
> showed me the rupture and we marked it.  They said it was too much for
> them and to take it to a VW dealer.
> 
> I made an appointment with MAG in Columbus (I am in Lima, Ohio).  They
> told me that they cannot get the hose from VW any longer.  They said
> they could keep it for a few weeks and have someone manufacture a
> replacement.
> 
> I was wondering if anyone here might know where I could get one.
> 
> Thanks,
> 
> Michael Wildermuth