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.
DOOR SEAL: Fridge or freezer - 215217 - Various models including Bosch
Genuine Kenwood Fridgemaster Door Handle for Fridge or Freezer KTF60B17
Genuine Kenwood Fridgemaster Door Handle for Fridge or Freezer KFC60SS15
Fridge or Freezer Door Hinge Kit
Fridge Or Freezer Thermometer 52 mm Dial, Colour Coded Zones. Ideal For Home
Beko Fridge Freezer Top or Middle Drawer Front Cover Panel Handle