The model number is normally found inside the fridge or freezer. You will likely need to remove the salad drawer or freezer drawer to find the model number plate. Otherwise the model number is likely to be on the side or rear of the appliance.
The Bosch Freezer Compartment Drop Down Flap Bearing Support Clip GIN38A55GB/01 GIN3 is ideal for freezers where the drop-down flaps are in need of support or replacement.