Want to replace handle with one that has outside key lock

A home owner from California says:
July 8, 2019
We are hoping to replace our 2001 Marvin Trimline patio door handle with one that has an external key lock. Marvin says that they used to make this part, but they no longer do. Is there something similar that could replace it?
Thanks,
Susana
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Bob from SWISCO responded:
July 11, 2019

Hi Susana. This handle set looks like our 82-035. If you just need to replace the outside pull though, see our 82-044. You can then adapt our 82-315 Key Lock. See the video below. 
Key Lock And Housing
Key Lock And Housing
82-315
$15.97
How to Install a Key Lock on a Patio Door
How to Install a Key Lock on a Patio Door
VIDEO
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