Thanks for the dimentions.
I guess the answer is no - unless you want to dimple the sheetmetal on the side of the van.
The DC-0040 dimentions are   20.5"H x 15.25" W x 17.75" D

 -------------- Original message ----------------------
From: Bob Stevens <mtbiker62@HOTMAIL.COM>
> Norcold 323= 20-5/8"H x 17-1/2"W x 24-1/4"D
> Dometic 182B= 23 1/2"H x 18 3/4"W x 12 1/2"D
>
> Bob Stevens
> '87 Westy Syncro
> "Passion Fruit"
>
> >
> >I noticed that the Norcold DC0400 is a popular Dometic replacement - but it
> >only works on AC/DC.
> >Has anyone tried to determine if the Norcold 323 (3-way) would fit?
> >
> >
> >Todd
> >'88 Westy