Could we see a photo of the "profile" of the strip you need? We need to see what it would look like if you sliced a little disc off the end, like the image below, in order to tell what exact shape to recommend:
To start, do you know if this was an Anderson door, or an Andersen door? It'll make a big difference. Andersen has certain proprietary parts.
Regardless, due to the differences over time, we may use a newer Andersen/Anderson part to replace this, so we would need to see it to at least discern which weatherstrip you have from the brand's selection. A photo is needed.
