904502 Nordyne CMF 5.5" blower motor 3-speed 115V 1/3hp 3-speed
904502 Nordyne CMF 5.5" blower motor 3-speed 115V 1/3hp 3-speed
904502 Nordyne CMF 5.5" Blower Motor
Product Overview
This genuine OEM Nordyne replacement blower motor is engineered for CMF and CMF2 series furnaces. With a 5.5" diameter wheel and 1/3 HP PSC design, it delivers reliable airflow across three speeds, ensuring balanced comfort and efficiency in systems paired with air conditioning.
Technical Specifications
| Specification | Detail |
|---|---|
| Motor type | Permanent-split capacitor (PSC) |
| Horsepower | 1/3 HP |
| Voltage | 115 V AC |
| Speeds | 3-speed |
| Frame size | 48Y |
| Approx. RPM | 1075 |
| Amperage | 6.0 A |
| Blower wheel diameter | 5.5 in |
| Shaft length | 1-1/8 in |
| Net weight | 13.9994 lb |
| Vendor | Quinn Supply |
Packaging and Shipping
| Dimension (L × W × H) | Packaging weight | Shipping weight (approx.) |
|---|---|---|
| 10 × 12 × 12 in | 10 oz | 14.62 lb |
Compatibility
Fits Nordyne CMF and CMF2 furnaces originally equipped with a 5.5" blower wheel and 48Y frame motor. Before ordering, confirm blower wheel mounting, shaft engagement, and required run capacitor value against the furnace’s data plate.
Technician Notes
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Shut off power and follow lockout/tagout procedures before servicing.
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Remove the blower access cover; note belt or direct-drive setup.
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Label and disconnect all motor wiring from the terminal block.
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Loosen belt tension or set screws, then remove the old motor.
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Mount the new motor, restore belt tension or align the direct-drive coupling, and torque set screws per OEM specs.
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Reconnect wiring, install correct run capacitor (sold separately), and verify connections match the wiring diagram.
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Restore power, cycle through each speed, and listen for smooth, vibration-free operation before sealing the access panel.
3-speed 1/3hp 115V motor used in many Nordyne CMF & CMF2 furnaces with a/c. 1075RPM, 6.0A, 48Y frame. Shaft size 1/2" x 4.5". Housing 5.5" diameter X 4.25" deep. Rotation is counter clockwise when looking from the back of the motor (CCWLE). Wiring: black-high, blue-medium, red-low, white-common, brown-run caps.
Requires 5/370V run cap PRCF5A (not included). Replaces 902127, 621323, 6213230, 622236 & 6222360. Or consider purchasing our less expensive S88-546 generic motor ONLY if you can reuse your existing mounting band. Some rewiring may be required.
Replaces old motor models:
S1-FHM3585, Emerson 1864, Century Motors DL1036, Fasco D727, Fasco 3585, Marathon Motor X002, Parallel 81346