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.
Ikea Fridge Freezer Bottle Door Shelf Rack / Holder 481010476967 GENUINE
IKEA LAGAN Icebox Evaporator Door Handle Fridge Freezer Compartment
Ikea Fridge Integrated Door Mount Kit Slider Mounting Bracket Replacement 4 Pack
Door Seal 2 m Universal Cut to Size for Fridge Freezer Fridge Freezer Co
DL-pro Door Seal 2 m Universal Cut to Size for Fridge Freezer Fridge Freezer Co
Bosch Fridge & Freezer Lower Bottom Freezer Drawer Genuine