Yes!  I posted information that is WRONG!  For shame :-(

Vanagon spark plugs 14M x1.5

Vanagon O2 sensor 18M

I thought I had all the Ford out of me.

  _____

From: VWBrain@aol.com [mailto:VWBrain@aol.com]
Sent: Monday, August 30, 2010 10:09 AM
To: ramblinvan@GMAIL.COM; vanagon@GERRY.VANAGON.COM
Subject: Re: Thread size for Oxygen sensor

In a message dated 8/30/2010 12:16:55 P.M. Eastern Daylight Time,
ramblinvan@GMAIL.COM writes:

M18 x 1.5

Same as the Vanagon spark plugs...

HUH??   plugs are normally 14mm      some fords had 18mm   later  mark d