Here's a link to one of the plugs I was talking about. I don't know if this one would be the right size, but at least you can see the type of plug.
http://www.hallspeedshop.com/universal-rubber-drain-plug-p-33230.html

__________________
Chad
2013 Jeep Unlimited Rubicon
OBK#44
"Pleasure in the job puts perfection in the work." - Aristotle (384-322 B.C.)

SOLD
1985 300TD - Red Dragon
1986 300SDL - Coda
1991 - 300TE
1995 - E320
1985 300CD - Gladys
2006 Nissan Pathfinder LE
1998 Acura 3.0 CL