S0503B000 9"x9" Bathroom Fan Motor Assembly for Broan Nutone

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$31.59
Regular price Save 10% $35.09 Sale price
$31.59
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S0503B000 9" x 9" Bathroom Fan Motor Assembly for Broan NuTone

Key Features

  • Pre-assembled bathroom exhaust fan motor assembly with motor, fan blade, power plug, and metal mounting plate.
  • Uses a 120 V motor rated at 0.02 hp, 3000 RPM, 60 Hz, and 1.0 amp.
  • Provides 50 CFM airflow with a listed noise rating of 2.0 sones.
  • Includes a 9" x 9" mounting plate; verify the original assembly dimensions before ordering.
  • Constructed with a copper motor, reinforced metal mounting plate, and ABS blower wheel.
  • Designed to help restore ventilation and address weak airflow, excess moisture, steam, odors, stale air, vibration, rattling, overheating, or a fan that does not operate properly.
  • Covered by the seller's stated lifetime protection for defects or other issues.

Replaces / Cross-Reference Part Numbers

  • S0503B000
  • 0503B000
  • JESP-61K13
  • C-86677
  • 86677
  • AP5614995
  • Fan blade 99111002

Compatibility & Fitment

This assembly fits select Broan-NuTone and NuTone bathroom exhaust fan units, including:

  • 763RL
  • 763RLB
  • 763RLN
  • 763RLNB
  • 763RLL
  • 763RLN-R01
  • 769RL
  • 769RLB
  • 769RF
  • 756
  • VF705RCN
  • 663LCN

It also fits other units that use a matching 9" x 9" mounting bracket. Confirm the original fan model, mounting plate size, connector, and assembly configuration before purchase.

When to Replace

Replace the motor assembly when the bathroom fan has weak or inconsistent airflow, excessive vibration, rattling noise, overheating, or will not operate. A worn or failed motor can prevent the fan from removing humidity, steam, odors, and stale air effectively.

Installation Tips

  • Turn off power to the fan at the switch and circuit breaker before servicing.
  • Remove the grille and compare the existing motor assembly, power connection, fan blade, and mounting plate with the replacement.
  • Measure the original mounting plate and verify the fan model before installation; the listed mounting plate size is 9" x 9".
  • Install the pre-assembled unit using the existing mounting location and reconnect the power plug securely.
  • After installation, restore power and check that the fan starts, runs without abnormal vibration or rattling, and provides proper airflow.

Compatible Models

Locate the model number of your appliance or equipment on the manufacturer's label and use it to check compatibility before ordering

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FAQs

The S0503B000 motor assembly is intended for compatible Broan and NuTone bathroom fan housings using the 9 x 9-inch motor assembly format. Confirm the existing motor's part number, mounting pattern, wiring connection, and housing dimensions before ordering.
This replacement motor assembly is identified by part number S0503B000. It operates on 120 volts and is rated at 0.02 horsepower.
Common signs include a fan that hums but does not turn, intermittent operation, slow or weak airflow, excessive bearing noise, burning odor, or a motor that trips the circuit. Clear the grille and inspect the blower wheel first, since dust buildup or an obstruction can produce similar symptoms.
Installation is generally a moderate do-it-yourself repair. Disconnect power at the breaker, remove the grille and motor plate, transfer or inspect the blower wheel as applicable, and reconnect the wiring exactly as it was installed. A screwdriver, pliers, and a voltage tester are typically sufficient; allow about 30 to 60 minutes depending on access and the condition of the existing fasteners.
Turn off power and verify that the housing is free of dust, debris, and moisture. Check the blower wheel for cracks or rubbing, inspect the wiring and terminals for heat damage, and make sure the replacement's 120-volt rating, mounting points, connector, and 9 x 9-inch format match the original assembly.