Help to identify double hung window latch replacements

Thanks for posting, and thanks for the kind words! I am afraid I can't quite make out your tilt latches from these photos. You might have something like our 26-243 and 26-244 (sold separately, though some of our tilt latches do indeed come in pairs). I can't be certain of this at all, but these are commonly seen so it's not a bad place to start. Compare your old tilt latches to the diagrams below and let me know if anything differs. If yours are different, please remove an undamaged one and prove clear photos, as well as some measurement, and we'll try and find something better. See the video below that shows how to remove and replace tilt latches.

Alternate view of 26-243

Profile view of 26-243