Searching for Pella 91373 storm door lock

Thanks for reaching out! Your Pella storm door mortise reminds me of our 40-194 Storm Door Mortise Latch. To confirm that this is the right replacement, you'll need to be sure to carefully review and compare the dimensions. This latch is available in brass and satin nickel.

Alternate image for 40-194

Alternate view of 40-194