This oven’s door seal failed and another one is hard to find, so in the meantime i fitted a general door seal that is cut to fit. There needs to be a small hole in each corner for the metal tabs to locate in, if they are not on your cooker you can easily drill some with a 2mm bit. The seals can be cut with scissors, then the metal corners pushed inside the seals centre tube. I picked them up from DB Domestics in Eastbourne.