Protech / Nidec / Rheem 51-104939-01 1/3 HP 115 V 1 PH 875 RPM. 4SPD Blower Motor 48Y Frame 

 CCWLE Counterclockwise lead end [Clockwise when looking at the shaft end] rotation.

Part #       51-104939-01   

Model #    K55HXPWR-1739

New from a closed business that kept new replacement motors in stock for their equipment may be some shelf wear and dust from sitting.

 [Please Look at all the pictures they are part of the description]

                                                                                                     [B1-F1-R7-S2-4]