Hmmm.  this looks like just the bulb?  doesn't look anything like the actually map light?  

> Date: Wed, 13 Jun 2012 11:46:10 -0700
> From: mdrillock@COX.NET
> Subject: Re: Map light
> To: vanagon@GERRY.VANAGON.COM
> 
> Seems to be available from the dealer. Used on other VW and some Porsche
> models. Looks like much cheaper to buy it from Porsche?
> 
> 171 947 311
> 
> 
> Mark
>