windows force coil balance (?)

A quick learner from Blackwood says:
please help me identify parts.
reference number is D97359. have yet to hear back from you...
User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
Thank you for your patience. It seems you have a MI window which would be able to use our 15-181 support detent clip as a replacement. Our 15-180 coil balance shoe along with our Series 190 coil springs go with this part. In order to know which spring strength to choose for your coil spring, you would have to retrieve the stamped number located on your current spring.
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