There appears to be a slight difference in design between the two. The part I
have in hand has cutouts on the interior edges of the base. I don't have
a 6267 handy, but the existing part image does not show the cutouts. This newer
version has been in place for quite some time according to Brickset, so I don't
if the admins would prefer to split the entries.
[...] The biggest difference would be the material that the new part is made from. The new one is made from MABS (basically clear ABS), and the older version was made [...] (30 months ago, Nov 19, 2021, to Catalog Requests)