Replace sash carrier and coil balance

A quick learner from Wayne New Jersey says:
Hi, I'm trying to select the correct size sash carrier and coil balance for a double hung replacement vinyl window that is about 15 years old. The window panels are 36" x 18". Only the lower carrier and coil need to be replaced on both sides.
Markings on the existing sash carrier are 8L and 8R. The balance has only 1 attachment hole. Any recommendations?
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Tom from SWISCO responded:

Hello! Your exact style isn't made anymore, but I believe that you can use our 15-087 housing pivot and Series 180 coil spring to repair your window. Look these parts over and let me know what you think.

A quick learner from Wayne New Jersey says:
Thanks for the reply. Yes they look pretty close. Will it be necessary to replace the pivot bars to match the new pivot housing? If so, what are the matching pivot bars.
thanks
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Tom from SWISCO responded:

In my experience, your old pivot bar should be usable with the newer model shoe, but if you wanted to be 100% sure you can consider our 26-040. Just make sure that it's one screw aligns with at least one of the screws used by your old one.

A quick learner from Wayne New Jersey says:
Great thanks for your help. I'll order the parts today.
Great web site and great service. Thank you Tom.
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