SOURCE 1 5KCP39NGUA57S Furnace Blower Motor 1/2HP 115V 1075RPM S1-FHM3587. Used in Excellent Working Condition. EChecks must clear before item(s) are released. Tracking information will be available upon request. We do our best to ensure the accuracy of every listings. Unfortunately, do to our high volume, mistakes sometimes occur. Get images that make Supersized seem small. Showcase your items with Auctiva’s. Track Page Views With.