Coil Bushing

I have a couple questions about a coil balancer and coil balance shoe that needs replacement. Is the pivot shoe shown in the picture replaceable with the model 15-177 coil balance pivot shoe? And for the white coil cover/bushing, is there an appropriate replacement part for this? ... (cont.)

We have a window that will not stay up. I have uploaded photos of the coil spring but am unsure which part(s) we will need. Please advise.

I need replacement coils but don't know the window manufacturer

Hi - I'm hoping you can help us determine which pivot shoe we need. We have Alside Excalibur windows which were installed in 2005. Pivot shoe depth is 9/16" and it is 1 1/4" wide. There are no markings or numbers on our part. We would also like to know which coil works with our pivot shoe. Than ... (cont.)

Kesington window balancers that we need to replace. Will need 4. Thanks!