Excepting offers and you will have one week warranty, money back guaranty for any reason.
EMERSON K55HXSTP-7621
K55HXWPZ-1413US Motors, Emerson 3/4 HP, 208-230V, 1 PH, 1075 RPM, 3 Speed, Frame 48Y, Blower Motor
5KCP39HGP968BS - GE Genteq OEM Replacement Furnace Blower Motor 1/3 HP
The motors are fairly generic. Simply match the HP, diameter, RPM with your current motor and you should be good. Get a new capacitor while you are at it.
https://documents.alpinehomeair.com/product/Emerson_Motors_Quick_Reference_Guide.PDF