Looking for a mortise lock replacement

A handy person from Raleigh, NC says:
June 18, 2023
Hi there,

I'm looking for a more secure replacement for this locking mechanism. I saw some mortise lock replacements when seem like they would definitely be much more secure but not sure if any would fit my existing door. Would appreciate help identifying any that would work.

Thanks,
Sonny
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Bob from SWISCO responded:
June 18, 2023

Hi Sonny. Your mortise lock appears to be our 82-227. This is what your door was designed to use, and there's really no getting around replacing it with the exact same design. Now this is a perfectly capable mortise lock--it looks like you might need a new keeper, so see the 89-020, 89-021, or 89-021HD. If you wanted a little extra security, you could consider our 80-006 Security Bar. Take a look and see what you think. 
Mortise Lock, 5-3/8"
Mortise Lock, 5-3/8"
82-227
$14.94
3/4" Tall Silverline Door Keeper
3/4" Tall Silverline Door Keeper
89-020
$6.07
Steel Keeper
Steel Keeper
89-021
$5.93
Diecast Keeper, 7/16" Deep
Diecast Keeper, 7/16" Deep
89-021D
$3.45
Sliding Door Security Bar Lock
Sliding Door Security Bar Lock
80-006
$15.97
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