Ducato Help with ducato engine fitting!!!

[Alex green]

Hi, new on here, trying to find out what engines will fit my 1991 ducato diesel as my 2.5 non turbo has given up, the code is 8411.67 i have found another engine but it is from a 1998 ducato (2.5 diesel non turbo) Will it fit and will i need the box to go with it ???? Really need help with this any small amount of advice would be greatly apreciated, Alex