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If you are holding an old motor with this part number, you can check its ratings and design to verify your replacement. Matching the electrical and mechanical details keeps your system running safely.
Specifications
- Part number: 1172508
- Brand: Genteq
- Part type: Condenser fan motor
- Amps: 1.6 A
- Frame: 48
- Horsepower: 1/5 HP
- Phase: Single
- Rotation: Clockwise (CW), viewed from shaft end
- Rpm: 1,075 RPM, 2-Speed
- Shaft: 0.5
- Voltage: 208–230 VAC
- 1087474
- 5KCP39BGZ257S
- F327Y2547490
- HP: must be the same
- RPM and volts: must be the same
- Rotation and shaft: match, or pick a reversible motor
From the maker's and parts sellers' listings for this number. Compare them with the label on your old part.
What the Condenser Fan Motor Does
Your outdoor cooling unit releases heat gathered from inside your home. The condenser fan motor turns the fan blades sitting at the top of the outdoor cabinet. This continuous airflow pulls heat away from the unit.
When this motor fails or fails to start, heat builds up fast inside the outdoor unit. The unit will overheat and shut down to protect the compressor from damage.
Understanding the 1172508 Specs
Every motor has specific electrical and mechanical ratings stamped on its metal nameplate. These numbers must align with your outdoor unit design.
The 1172508 condenser fan motor lists the following specifications:
- Horsepower: 1/5 HP
- Voltage: 208 to 230 VAC
- Amps: 1.6 A
- RPM: 1,075 RPM, 2-Speed
- Phase: Single
- Frame: 48
- Shaft: 0.5
- Rotation: Clockwise (CW), viewed from shaft end
Matching Rules and Cross-Reference Numbers
When selecting a replacement for a condenser fan motor, the horsepower must be the same. The RPM and volts must also be the same. The rotation and shaft size must match your setup, or you can pick a reversible motor.
This part is listed as replacing several older part numbers. If your old motor shows one of these labels, this motor is a match:
- 1087474
- 5KCP39BGZ257S
- F327Y2547490
Signs of Motor Trouble and Safe Replacement
Before deciding the motor is broken, inspect the run capacitor. A fan that hums but will not spin is often a bad capacitor, not a bad motor. A capacitor costs less, so check it first.
A new motor often needs a new capacitor rated for it. Capacitor uF must match the old part, and volts must be the same or higher. When replacing the motor, always turn off power at the main breaker and pull the outdoor disconnect handle. Discharge the capacitor with an insulated tool, photograph the wiring, and move leads over one at a time.
Read your old part
- Wipe clean the metal rating plate on your existing outdoor motor.
- Check the part number on the label to see if it lists 1172508 directly.
- If not 1172508, verify if your old part number is 1087474, 5KCP39BGZ257S, or F327Y2547490.
- Confirm the horsepower shows 1/5 HP and the voltage lists 208 to 230 VAC.
- Ensure the speed is 1,075 RPM, 2-Speed and rotation is Clockwise (CW), viewed from shaft end with a 0.5 shaft.
When to call a pro
Hire a licensed HVAC technician for any step you are not sure you can do safely. High voltage in outdoor disconnects and contactors can cause severe shock or death.
Questions
Why is my outdoor fan humming without spinning?
A fan that hums but will not spin is often a bad capacitor, not a bad motor. A capacitor costs less, so check it first.
What part numbers does the 1172508 replace?
This motor is listed as replacing part numbers 1087474, 5KCP39BGZ257S, and F327Y2547490.
Do I need a new capacitor when replacing this motor?
A new motor often needs a new capacitor rated for it. Be sure the capacitor microfarad rating matches the requirement, and use an equal or higher voltage rating.
What happens if the condenser fan motor stops running?
The motor spins the fan on top of your outdoor unit. If it stops, the unit overheats and shuts down.
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