Ducane part # 20181601 fits some Ducane 1 burner Models.
The plates we have in stock are new, however my have scratches across a small portion of the plate. They do have protective plastic on them. Approximate measurement are 4-1/8″ top to bottom, 10-3/4″ Left to right (on the top) and 9-3/4″ Left to right (on the bottom)