need to replace mortise lock on a Guardian sliding patio door

A quick learner from Indiana says:

We are selling our house and I need to replace the mortise lock in our Guardian sliding patio door. It measures 3 3/4" from center of screw to center of screw.

The stamping on the glass of the door is as follows ...

ANSI 297.1-1984
Safety Tempered
BS 6206:1981
IS CFR 1201 II

Can you please suggest the replacement mortise lock based off of the info/pictures I have provided.

Thank you,

Steven -
User submitted photos of a mortise lock.
Profile picture of Paul
Paul from SWISCO responded:
Have you seen our 82-218? This looks like a good match.
A quick learner from Fort Walton Beach fl says:
Please share your findings. I have the exact same door and need a new lock lever thank you
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