Andersen Part # C-9400-1A

A quick learner from NJ says:
Hello I?m having difficulty locating a replacement for this part. Do you sell a replacement?
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Tom from SWISCO responded:
Hi there- thanks for posting! 
Start by looking at our 39-331 and our 39-332 Andersen operator. This looks like a match, but just compare the measurements and dimensions before purchasing and get back to us if you have any questions. 
Measurements for 39-332
Measurements for 39-332
A quick learner from NJ says:
Hi thanks for getting back to me. The long distance between the 2 holes is 4.5" not 3&23/32" - will this work for me? Please see attached pic.
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Tom from SWISCO responded:

It also looks like you have a hinged arm, which I didn't notice in your first post. Sorry about that. I think our 39-264 is a better match, but the hole spacing is still not 4-1/2". I think you just have an older version. When was your window made? If it was manufactured from 1995 to 1998, then you will need our 39-362 adapter plate in order to get it to install. 

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