Non tilt window balancer 3430 35 inch

A quick learner from Florida says:
I am looking for replacements for these it is a 35 inch long 3430 non tilt the plastic pieces have crumbled apart. The width seems to measure 5/8 that's what it looks like to me also I don't know which to pick between the different models.
Thanks
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Jasmine from SWISCO responded:

Thanks for writing in.

I recommend taking a look at our S351-35 or S390-35 Channel Balance with a 3430 stamp option. You'll need compare the measurement for the depth of your bottom shoe to confirm which series you'll need. See the diagram below for reference.

Diagram on how to choose between the 15-001, 15-002, 15-004, and 15-005 channel balance shoes.
Diagram on how to choose between the 15-001, 15-002, 15-004, and 15-005 channel balance shoes.

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