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.
Beko Fridge & Freezer Crisper Drawer Genuine
Genuine Beko Fridge Salad Crisper Drawer 45 x 26 x 18 cm TLDA521S TL546APW
Beko fridge freezer crisper drawer basket 575673 for CXFG3552W
Beko Fridge & Freezer Crisper Drawer Front Genuine