And all of these on ebay
Don’t restrict your seach to Fiat only.
Look also at Peugeot Boxer 1998 to 2006 and Citroen Relay 1998 to 2006.
They are all the same.
Incidentally, for later models (2006 on) with an indicator lens in the mirrors, a broken lens in a Fiat Ducato means a full replacement mirror from Fiat dealers at £300 plus.
Peugeot dealers sell the inicator lens as a spare part for about £12 which is a direct fit.