Casement window lock

A home owner from Los angels says:

Need a lock for certaintee casement, someron II. The original lock has a 31401A stamped, the lock is approx 4x7/8", the extended arm is approx 3.375 to 3.5". Left or right hand is just shown in my photo,

handle up to open?down to lock. I see you have 2 items similar to mine?38-058 and 38-091, which one should I order?thanks in advance!

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Tom from SWISCO responded:

Hi there! The 38-091 is a genuine Truth brand part while the 38-058L is generic. I believe either will work for you, though. They are very similar to the parts you show in your photos. We also carry the 38-278 support plate, if you needed it.

A home owner from Los angels says:

thanks, will order 091

one more question: do I need to remove the tie bar or tie bar guide to install the new lock, 38-091? or the new 38-091 lock pin can be slide into the tie bar ring?

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Tom from SWISCO responded:

Awesome, thank you for placing your order with us! We really appreciate it.

As for removing the tie bar, it may be necessary to pop it out briefly to attach the lock arm. I would try installing the lock without doing that first, but if it's not possible then it shouldn't be too difficult to disconnect the tie bar temporarily.

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