901875 Nordyne 5.5" Blower Motor 1/3HP 115V 4-Speed
901875 Nordyne 5.5" Blower Motor 1/3HP 115V 4-Speed
Replaces Part Number 902653 2 speed No longer made
Product Description
This direct-drop replacement blower motor delivers 1/3 horsepower performance in a compact 5.5-inch, four-pole frame. Designed for 115 VAC residential gas furnace and split-system applications, it features a permanently lubricated PSC winding, integrated thermal overload protection, and a color-coded four-speed harness. The 1/2-inch diameter by 4-inch long shaft and 5.5-inch housing diameter make it a perfect fit for Nordyne OEM blower assemblies. At high speed, it draws 5.8 A and spins at 1,105 RPM, offering smooth, quiet airflow across all four speeds.
Key Features
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1/3 HP permanent-split capacitor (PSC) motor
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Four selectable speeds via color-coded leads
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115 VAC, 5.8 A, 1,105 RPM at high speed
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5.5 in housing diameter × 4.5 in depth
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1/2 in × 4 in shaft for OEM compatibility
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Built-in thermal overload protector
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Pre-attached multi-lead wiring harness
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Factory-balanced for quiet, vibration-free operation
Compatibility
Fits Nordyne and compatible OEM furnaces specified for a 5.5-inch, 1/3 HP, 4-speed blower motor. Always confirm frame size, lead count, and shaft dimensions before ordering.
| Furnace Model | Capacity | Frame & Speed | Shaft & Orientation |
|---|---|---|---|
| G9MA036A1 | 3 Ton / 36 MBH | 5.5" 4-speed | 1/2" × 4" shaft, CCW viewed from shaft end |
| G9MA048B1 | 4 Ton / 48 MBH | 5.5" 4-speed | 1/2" × 4" shaft, CCW |
| G9MP060A1 | 5 Ton / 60 MBH | 5.5" 4-speed | 1/2" × 4" shaft, CCW |
| G9MP090A1 | 7.5 Ton / 90 MBH | 5.5" 4-speed | 1/2" × 4" shaft, CCW |
| E9MH040B3 (Coleman) | 3 Ton / 40 MBH | 5.5" 4-speed | 1/2" × 4" shaft, CCW |
| G8QA080E (Intertherm) | 5 Ton / 80 MBH | 5.5" 4-speed | 1/2" × 4" shaft, CCW |
| G9QC050A1 (Concord) | 4 Ton / 50 MBH | 5.5" 4-speed | 1/2" × 4" shaft, CCW |
115V blower motor generally used for furnaces with a/c, 4 speed, 1/3 hp, 5.8A, 1105RPM. 1/2" x 4" long shaft. Motor measures 5.5" diameter x 4.5" deep. Rotation is counter clockwise when looking from the back of the motor (CCWLE). Wiring: black-high, blue-med hi, orange-med low, red-low, white-common, browns-run caps.
Requires a 10/370V run capacitor PRCF10A (not included). Used on the following series of furnaces: MGHB, MGBB, MMHB & MMBB. Also used in the 900759 blower assembly.
Replaces 620698, 620698R, 621083 & 6210830. Or consider saving money by purchasing our inexpensive S88-546 generic motor. Generic motor will work best if your able to reuse the mounting band of your existing motor. Or purchase mounting band TFM55. Some rewiring may be required.