I'm not sure which part to order, can you please help?

A quick learner from Tigard Oregon says:
March 15, 2015
I would like to purchase replacement parts for my milgard windows. I'm looking for 15 inch window channel balance. Number stamped on part is 1430. You have several to choose from, I'm not sure which one to order? I appreciate any help you can give me. I have attached pictures.
User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
March 17, 2015
Thanks for posting. I would look at our S385-15 channel balance with a 1430 option. Just make sure the dimensions all match up.
15" Series 385 Channel Balance
15" Series 385 Channel Balance
S385-15
$9.34
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