Compatible sliding patio door keeper

A quick learner from Iowa says:
If I purchase the 82-086 Legacy keyed handle set and the 82-218 mortise lock, which sliding patio door keeper should I buy? Please give me a part number.
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Tom from SWISCO responded:

The 82-218 mortise is compatible with a bunch of different keepers. There is no one singular part that works for it. Some common pairings are the 89-021D, 89-021, or 89-020. The only way to be 100% sure is to use the old one as a reference.

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