SWISCO - The Replacement Hardware Authority

Truth window opener.

A handy person says:
One arm has 30905. Main arm has 40351. Searching around i believe the main part number is 45136 after searching around on the internet but not positive on that.
Profile picture of Dave
Dave from SWISCO responded:
I'm afraid I wasn't able to match those numbers to anything. Can you show us a picture of the operator out of the window? Can you also give me your measurements?
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