it's a 'half round' thing, about 3 inches tall.
Like if you took a cylinder and cut it right down the middle from the top
.....the resulting piece , or shape, is what they look like.
they just clip to the 02 sensor body.

there might be a picture of one in Bentley somewhere ........'feels' to me
like I might have seen one there.
Scott

----- Original Message -----
From: "T Collins" <tonycollin@GMAIL.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Thursday, September 24, 2009 9:02 AM
Subject: Re: O2 sensor in gutted cat question

> What did this O2 sensr shields look like?
> Thanks,
> Tony
> --
> 82 Scirocco "Rodolfo"
> 85 Vanagon "El Guapo"
> 90 Fuji Ace