Bob, I didn't find any matches in my completed auto/carriage lamps or in my auto lamp photos so I looked in my orphaned auto burner/fount box and still found no match but did find the long cone burner like yours was used in some of my Dietz driving lamps but have Sangster founts, (photo 1). Another had a similar set of locking pins but only three not four and different burner/fount (photo2). And another strange burner/fount assembly (photo3).
These last two I've no idea what they fit, If any one can identify them it would be greatly appreciated.

Willis