Trane Blower Motor MOT18990 OEM

Trane MOT18990 Blower Motor | 1/6 HP OEM Replacement

Restore consistent comfort to your home with the Genuine Trane MOT18990 Blower Motor. This 1/6 HP factory-authorized motor is the official OEM replacement designed to meet the precise airflow and efficiency standards of Trane and American Standard residential HVAC systems.

Operating at a steady 1060 RPM, the MOT18990 features a 3-speed design that allows your system to modulate air movement effectively for both heating and cooling cycles. As a 48-frame motor, it provides a direct-fit solution that eliminates the mounting headaches and electrical risks associated with generic "one-size-fits-all" replacements.

Compatibility & Cross-Reference

This motor is the direct manufacturer-recommended upgrade for several legacy part numbers. If your service manual lists the following, this is your required part:

  • Replaces Trane / American Standard P/N: MOT08399
  • Factory Designation: MOT18990

Key Features & Benefits

  • OEM Precision: Engineered specifically for Trane units to maintain original factory static pressure and CFM ratings.
  • 3-Speed Versatility: Features multiple speed taps to provide optimal airflow for different system demands.
  • Quiet & Efficient: Balanced internal components and high-quality bearings reduce operational noise and vibration.
  • Direct Fit: The standard 48-frame construction ensures a seamless installation into your existing blower housing.

Shipping & Order Information

  • Continental US Shipping: We offer reliable shipping rates for all orders delivered within the continental United States.
  • Fast Dispatch: Shorty’s HVAC Supplies prioritizes quick processing to get your heating or cooling system back online as fast as possible.

Technical Specifications

AttributeSpecification
Part NumberMOT18990
Horsepower (HP)1/6 HP
Voltage208-230 VAC
Speed (RPM)1060 RPM (3 Speed)
Frame Size48 Frame
Frequency60 HZ
PhaseSingle Phase (1 PH)
Required Capacitor5 uF @ 440 VAC (P291-0504)

$629.00

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  • Model: MOT18990
  • Manufactured by: Trane
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