replacement for Pella storm door lock mechanism

A home owner from Centennial, Colorado says:
the "internal" door lock mechanism measures 8 1/2" long, 1 9/16"depth, mounting holes are 7 1/4" apart.
The Pella Door Serial Number is - 09 2606 4601 1289
The lock mechanism has a date stamped 05 10 06.
Thank you.
Mark
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Dave Sr. from SWISCO responded:
I would start by looking at our 40-191 Pella mortise latch. Could this be what you're looking for? If not, please send us a photo of your existing lock and we can try to identify a match for you.
SWISCO 40-191 Storm Door Multi-Point Mortise Lock by Pella
SWISCO 40-191 Storm Door Multi-Point Mortise Lock by Pella
VIDEO
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How to flip a storm door mortise latch.
How to flip a storm door mortise latch.
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40-191 Mortise Lock Latch Assembly Removal
40-191 Mortise Lock Latch Assembly Removal
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