ePer lists 23 different column switches for the Stilo range.
Which is the correct one for your car depends on your VIN and what combination of the following options you have (if any): Automatic Headlights, Rain Sensor, Cruise Control, Steering Wheel Controls, Connect Nav.
If you want to PM me your VIN and what (if any) options you have, I'll check which part number is for your car.
Fiat supply the switches complete with the clock spring, so if you used your original clock spring, any of the switches
may work. If they did, then you would only need to get a 2 or 3 stalk switch as appropriate.