Casey from SWISCO responded:
July 29, 2020
It is possible that your top sash guide could be our 18-033. Carefully compare the style and dimensions on our product page to your original guide to confirm. As for the small interlock guide with two prongs, I'm afraid it has been discontinued for a long time now and there are no known substitutes. I am sorry we cannot offer a replacement for that specific part. Please let us know if you have any other questions. |