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Lennox 21L91 Blower Motor

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17.00 LBS
Shaft Diameter:
Shaft Length:
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Lennox 21L91 Blower Motor

  • Part Info & Specifications

  • Lennox 21L91 Replacement Part


    • (1) - Blower Motor (21L91)
    • (1) - Installation Instructions (504.045M)


    • Manufacturer: US Motors
    • Model # K55HXGAM-8052
    • Horsepower: 1/4
    • Voltage: 115
    • Hertz: 60
    • Amperage: 3.4
    • Phase: Single
    • RPM: 1075
    • Speeds: 4
    • Frame: 48Y
    • Thermally Protected
    • Motor Cooling/Duty: Air Over Continuous
    • Insulation Class: B
    • Bearings: Self-Aligning Ball
    • Capacitor Needed: 5 MFD @ 370 VAC
    • Rotation: Counterclockwise Lead End
    • Shaft Type: Single Side Flat Shaft
    • Shaft Diameter: 1/2"
    • Shaft Length: 3 1/4"

    Country of Origin: Mexico

    🔧 Note: Always check the blower wheel on your blower assembly. Bad or unbalanced blower wheels can cause premature motor failure due to vibration. If you are not sure what blower wheel fits your blower assembly, call us at 734-326-3900.

    Replaces Old Lennox Part Numbers

    • 97H57
    • 67F14
    • 45H30
    • 97H5701
    • 67F1401
    • 45H3001
    • 21L9101

    Replaces Old Allied, Armstrong, Concord, Ducane Part Numbers:

    • 21L9101

    Other Part Numbers

    21L91, US Motors, K55HXGAM-8052, 156060, 21L9101, Nidec Motor Corporation, K055GAM8052011J

    Fits Models:

    (Press ctrl + F to find model number below.)

    78UGF2-50-1, 78UGF2-50-2, 78UGF2X-50-1, 78UGF2X-50-2, 80MGF2-45A-1, 80MGF2-45A-2, 80MGF2-45A-3, 80MGF2-45A-4, 80MGF2-45A-5, 80MGF2-45A-6, 80MGF2-45A-7, 80MGF2-45A-8, 80MGF2-45A-9, 80MGF2-45A-10, 80MGF2-45A-11, 80MGF2-45A-12, 80MGF2-60A-1, 80MGF2-60A-2, 80MGF2-60A-3, 80MGF2-60A-4, 80MGF2-60A-5, 80MGF2-60A-6, 80MGF2-60A-7, 80MGF2-60A-8, 80MGF2-60A-9, 80MGF2-60A-10, 80MGF2-60A-11, 80MGF2-60A-12, 80MGF2-75A-1, 80MGF2-75A-2, 80MGF2-75A-3, 80MGF2-75A-4, 80MGF2-75A-5, 80MGF2-75A-6, 80MGF2-75A-7, 80MGF2-75A-8, 80MGF2-75A-9, 80MGF2-75A-10, 80MGF2-75A-11, 80MGF2-75A-12, 80MGF2-75S-1, 80MGF2-75S-2, 80MGF2-75S-3, 80MGF2-75S-4, 80MGF2-75S-5, 80MGF2-75S-6, 80MGF2-75S-7, 80MGF2-75S-8, 80MGF2-75S-9, 80MGF2-75S-10, 80MGF2-75S-11, 80MGF2-75S-12, 80MGF2X-45A-1, 80MGF2X-45A-2, 80MGF2X-45A-3, 80MGF2X-45A-4, 80MGF2X-45A-5, 80MGF2X-45A-6, 80MGF2X-45A-7, 80MGF2X-45A-8, 80MGF2X-45A-9, 80MGF2X-45A-10, 80MGF2X-45A-11, 80MGF2X-45A-12, 80MGF4-75A-7, 80MGF-60-3, 80MGF-75-11, 80UHG2-45A-1, 80UHG2-45A-2, 80UHG2-45A-3, 80UHG2-60A-1, 80UHG2-60A-2, 80UHG2-60A-3, 80UHG2-75A-1, 80UHG2-75A-2, 80UHG2-75A-3, 80UHG2X-45A-1, 80UHG2X-45A-2, 80UHG2X-45A-3, 80UHG2X-60A-1, 80UHG2X-60A-2, 80UHG2X-60A-3, 80UHG2X-75A-1, 80UHG2X-75A-2, 80UHG2X-75A-3, 80UHGM2-45-1, 80UHGM2-45-2, 80UHGM2-45-3, 80UHGM2-60-1, 80UHGM2-60-2, 80UHGM2-60-3, 80UHGM4-75-1, F8AUH-045-1, F8AUH-060-1, F8AUH-075-1, G12Q2X-40-1, G12Q2X-40-2, G12Q2X-40-3, G12Q2X-40-4, G16Q2-50-1, G16Q2-50-3, G16Q2-50-5, G16Q2-50-6, G16Q2-50-7, G16Q2-50-8, G16Q2-50-9, G16Q2-50-10, G16Q2H-50-C1, G16Q2H-50-C2, G16Q2H-50-C3, G16Q2H-50-C4, G16Q2H-75-C1, G16Q2H-75-C2, G16Q2H-75-C3, G16Q2H-75-C4, G16Q2X-50-1, G16Q2X-50-3, G16Q2X-50-5, G16Q2X-50-6, G16Q2X-50-7, G16Q2X-50-8, G16Q2X-50-9, G16Q2X-50-10, G17Q2-50-1, G17Q2-50-2, G17Q2-50-3, G17Q2X-50-1, G17Q2X-50-2, G17Q2X-50-3, G20Q2-50-1, G20Q2-50-2, G20Q2E-50-1, G20Q2E-50-2, G20Q2E-50-3, G20Q2E-50-4, G20Q2E-50-5, G20Q2E-50-6, G20Q2E-50-7, G20Q2E-50-C2, G20Q2E-50-C3, G20Q2X-50-1, G20Q2X-50-2, G20Q2X-50-3, G20Q2X-50-4, G20Q2X-50-5, G20Q2X-50-6, G20Q2X-50-7, G24M2/3-75A-T-10, G24M2/3-75A-T-11, G24M2/3-75A-T-12, G24M2-45A-1, G24M2-45A-2, G24M2-45A-3, G24M2-45A-4, G24M2-45A-6, G24M2-45A-7, G24M2-45A-10, G24M2-45A-11, G24M2-45A-12, G24M2-45S-1, G24M2-45S-2, G24M2-45S-3, G24M2-45S-4, G24M2-45S-6, G24M2-45S-7, G24M2-45S-10, G24M2-45S-11, G24M2-45S-12, G24M2-60A-1, G24M2-60A-2, G24M2-60A-3, G24M2-60A-4, G24M2-60A-6, G24M2-60A-7, G24M2-60A-10, G24M2-60A-11, G24M2-60A-12, G24M2-60S-1, G24M2-60S-2, G24M2-60S-3, G24M2-60S-4, G24M2-60S-6, G24M2-60S-7, G24M2-60S-10, G24M2-60S-11, G24M2-60S-12, G24M2-75A-1, G24M2-75A-2, G24M2-75A-3, G24M2-75A-4, G24M2-75A-6, G24M2-75A-7, G24M2-75A-10, G24M2-75A-11, G24M2-75A-12, G24M2-75S-1, G24M2-75S-2, G24M2-75S-3, G24M2-75S-4, G24M2-75S-6, G24M2-75S-7, G24M2-75S-10, G24M2-75S-11, G24M2-75S-12, G24M2X-45A-1, G24M2X-45A-2, G24M2X-45A-3, G24M2X-45A-4, G24M2X-45A-6, G24M2X-45A-7, G24M2X-45A-10, G24M2X-45A-11, G24M2X-45A-12, G24M2X-45S-1, G24M2X-45S-2, G24M2X-45S-3, G24M2X-45S-4, G24M2X-45S-6, G24M2X-45S-7, G24M2X-45S-10, G24M2X-45S-11, G24M2X-45S-12, G27M2-60A-1, G27M2-60A-2

    Fits Allied, Armstrong, Concord, Ducane, Magic Chef, and Magic-Pak Models:

    (Press ctrl + F to find model number.)

    80MGF2-45A-11, 80MGF2-45A-12, 80MGF2-60A-11, 80MGF2-60A-12, 80MGF2-75A-11, 80MGF2-75A-12, 80MGF2-75S-11, 80MGF2-75S-12, 80MGF2X-45A-11, 80MGF2X-45A-12, 80MGF-75-11, 80UHG2-45A-2, 80UHG2-45A-3, 80UHG2-60A-2, 80UHG2-60A-3, 80UHG2-75A-2, 80UHG2-75A-3, 80UHG2X-45A-2, 80UHG2X-45A-3, 80UHG2X-60A-2, 80UHG2X-60A-3, 80UHG2X-75A-2, 80UHG2X-75A-3, 80UHGM2-45-2, 80UHGM2-45-3, 80UHGM2-60-2, 80UHGM2-60-3, F8AUH-045-1, F8AUH-060-1, F8AUH-075-1, G20Q2E-50-7, G20Q2X-50-7, G24M2/3-75A-T-11, G24M2/3-75A-T-12, G24M2-45A-11, G24M2-45A-12, G24M2-45S-11, G24M2-45S-12, G24M2-60A-11, G24M2-60A-12, G24M2-60S-11, G24M2-60S-12, G24M2-75A-11, G24M2-75A-12, G24M2-75S-11, G24M2-75S-12, G24M2X-45A-11, G24M2X-45A-12, G24M2X-45S-11, G24M2X-45S-12, G27M2-60A-2

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