Searching for L203 E Larson window latch

A quick learner says:
I need 2 right window latches for a Larson L203E storm window.
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Bob from SWISCO responded:

Thanks for posting. I am afraid we don't have an exact match for this Larson Storm Door latch, but our 91-140 might work as a replacement. You will need to compare your old latch's dimensions to the diagrams below and see if anything differs. Let us know what you find.

Alternate image for 91-140
Alternate image for 91-140
Alternate view of 91-140
Alternate view of 91-140
Alternate view of 91-140
Alternate view of 91-140

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