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.
Bosch KIV38V20GB/03 Door Shelf Tray Fridge & Freezer Genuine
Genuine Bosch Siemens Fridge Freezer UltraClarity Fridge Water Filter 11028820
Genuine Bosch Integrated Fridge Freezer KIV38X22GB/01 Fridge Door Tray (Lower)
Bosch Lower Fridge Door Tray Fridge Freezer Bottom Shelf Rack KAD62 KAD63 KAN62
Bosch KGH33V03GB Fridge Glass Shelf safety glass fridge shelf