Furnace Blower Motor is a replacement part for the following suburban furnace models: SF-35/ SF-35F Furnace Motor; For Suburban Furnace SF-35/ SF-35F 12V DC Fan Motor for Suburban SF Series Furnaces. Replaces old motor number 231707. Compatibility: Suburban SF-35/ SF-35F Furnaces SAME DAY SHIPPING ON ORDERS PLACE BEFORE 2:00PM EASTERN TIME