Which size do I need

A handy person from Cornelius, NC says:
July 27, 2015
The windows are 10 yrs old and they came out of there balance mechanisms and appear a dead weight. The nylon holders seemed to have cracked. They are double pane, tilt to clean, 36 Height by 34 Wide. Should I just replace the whole mechanism? If so, which mechanism do you sale that I need for the window(s)? If I replace the mechanism, will the old part just unscrew from the casing or will the wound up metal tape spring out?

Thanks!
User submitted photos of window hardware.
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Paul from SWISCO responded:
July 29, 2015
Thanks for posting! Please look at the right side of this page. I have made a list of parts that you could use to repair your window. Keep in mind that you may not need everything here; you can replace just the parts that have broken and reuse the rest.
Coil Balance Shoe
Coil Balance Shoe
15-180
$3.97
Double Support Detent Clip
Double Support Detent Clip
15-181
$6.17
Balance Bushing
Balance Bushing
15-182
$1.80
Tilt Window Latch, Left Hand
Tilt Window Latch, Left Hand
26-243
$2.70
Tilt Window Latch, Right Hand
Tilt Window Latch, Right Hand
26-244
$2.70
740 S190 Coil Balance Spring
740 S190 Coil Balance Spring
S190-740
$9.74
How to remove window pivot shoes
How to remove window pivot shoes
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Anatomy of a tilt window
Anatomy of a tilt window
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How to Replace a Window Tilt Latch
How to Replace a Window Tilt Latch
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How to Replace Damaged Pivot bars
How to Replace Damaged Pivot bars
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How to Replace a Triple Coil Balance System
How to Replace a Triple Coil Balance System
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Styles of Tilt Window Latches
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Removing a Triple Coil Window Balance
Removing a Triple Coil Window Balance
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