Sliding door replacement latch mechanism

A handy person from hull, ma says:
March 26, 2018

I believe these would be from around 2004. One side has the numbers 7700B.

User submitted photos of patio door hardware.
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Tom from SWISCO responded:
March 28, 2018
Take a look at our 82-037 deadlock assembly. Compare the dimensions of your door lock to our product page to make sure that this part will work for you. 
Andersen Reachout Deadlock Assembly, 2-Panel
Andersen Reachout Deadlock Assembly, 2-Panel
82-037
$85.70
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