Coil support bushing and coil support barrel identification

A quick learner from Grand Junction, CO says:
Hello, From what I can tell, I have a 15-175 Coil Balance Shoe, that run 3 lb Series 152 Coil Balance: S152-3, and a 3-1/16" 26-226 Pivot Bar... But I can't seem to find the correct Coil support bushing and coil support barrel.
I have other pictures if needed but I could only upload 5 at a time.

Thank you,
Darren
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A quick learner from 81501 says:
Here is a few more pics
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Bob from SWISCO responded:

Thanks for posting. Take a look at our 15-143 Bushing, 15-144 Bushing Cap and 15-145 Support Barrel. While they look different than your older housing, this assembly works the same and is compatible with the Series 152 Coil Springs. Take a look and see what you think.

A quick learner from 81501 says:
Okay cool, thank you very much. I did see those and was thinking all I need was the 15-144 Bushing Cap and 15-145 Support Barrel, but I will also need to use a 15-143 Bushing as well? A 3 part deal?
I mainly only need the pivot bars for both sides of the window and one coil spring and I figured I might as well replace the shoes as well...Is it wise to replace the all the bushings as well and just completely replace everything since I'm in there?

Thanks
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Bob from SWISCO responded:

Correct, the 15-144, 15-145, and 15-143 snap together, effectively sandwiching the coil spring within. If your old housing is intact, it's not necessary to replace those units. But if you do need to replace any, this assembly will work for you. 

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