bathroom window balance shoe and coils

Thanks for reaching out! Your plastic housing appears to be our 15-087. Carefully review and compare the dimensions from our part to your hardware to confirm that this is the replacement you need. 

Detail of 15-087

Given that your housing is stamped with a 5, the compatible coil spring will be the S180-5. You may also need the 16-024 mounting bracket. 

Take a look at these items and see what you think.