Which is the Sofim 2.5 indirect injection engine used in various vehicles, Iveco, Talbot Citroen Renault Peugeot etc. Head gasket probably the same on most but bottom half of engine is different where rear wheel drive on Iveco etc.
Ask on that eBay number, if they say it is correct, then if wrong they take it back free under eBay rules.
If you look on the post 30 minutes ago you visited I gave details of that engine to OP re a manual.
Coastal is popular supplier with many on Fiat Forum.