Wheel driving chain in Skylight operator

A home owner from Merrimack nh says:
Looking for the part catching the chain in a skylight operator. As you can see in the pictures 2 of the ears are broken off. I am primarely looking for that wheel as the rest of the assembly is fine. The number printed on the piece is 30654. The window itself in approximately 25 years old. This is a guess. Seems to be a truth assembly but not sure. Assembly itself has number 45015 printed on it. Thank
User submitted photos of window hardware.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Unfortunately, you will not be able to replace this gear by itself. You may need to consider replacing the entire skylight operator. We carry the 39-379, which is similar to what you have. Let me know if this is a match.
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