870 series SGD hardware replacement

A quick learner from Calif says:
Looks like a SWISCO 870 SGD with a 3 15/16" setting. Latch is starting to fail and we are not sure if we need to replace both the lock and the indide door handle. Both the inside and outside door handles are the same with the only difference being the thumb latch on the inside door.

User submitted photos of patio door handles.
Profile picture of Tom
Tom from SWISCO responded:
Thanks for posting! At first glance this looks like our 82-074 and 82-073, but I notice that the thumb lever looks centered, while ours are offset. Is that the difference you mentioned? If so, see our 82-069 instead. This may be a better match.
A quick learner says:
Thank you. Yes, it is centered with a handle on both the inside and outside, but perhaps that is standard.

Thank you very much for your help.
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