Choosing an industrial motor replacement starts with fit, not brand. The four motors here cover very different jobs: a bathroom vent fan motor, an OEM Broan replacement, a 1/3 HP direct replacement, and a 3HP three-phase motor for a Bridgeport-type import mill. Prices run from $22.99 to $1,499.99, so picking the wrong one can mean either a cheap return or a very expensive mistake.
Quick take
- For the lowest-cost bathroom vent fix, the replacement motor for the Broan Nutone 688-K keeps the project simple.
- For a Broan-branded OEM part, the 99080483 motor is the one to consider.
- For a general-purpose replacement with speed flexibility, the D1092 is a middle-ground pick.
- For a Bridgeport-type import mill head, the VSM3 is the heavy-duty option.
Listed price comparison
| Product | Price | Relative price | What it's built for |
|---|---|---|---|
| Broan-Nutone 99080483 Replacement Motor, Broan | USD 114.99 | OEM replacement motor for Broan equipment | |
| Replacement motor for Broan Nutone Bathroom Ventilation Fan 688-K 50 CFM | USD 22.99 | Direct fit for the 688-K vent fan | |
| REPLACEMENT MOTOR for Bridgeport type IMPORT MILL 3HP 3PH variable speed VSM3 | USD 1,499.99 | 3HP three-phase variable-speed mill motor | |
| D1092 OEM Direct Replacement Motor 1/3 HP 1675/1080 RPM | USD 83.99 | 115V dual-speed 1/3 HP replacement |
Decision matrix
| If you need... | Pick this motor | Why |
|---|---|---|
| A simple fix for a Broan Nutone 688-K bathroom fan | Replacement motor for Broan Nutone Bathroom Ventilation Fan 688-K 50 CFM | Motor and blade are matched to that fan model |
| A Broan-labeled motor with a clear model number | Broan-Nutone 99080483 Replacement Motor, Broan | Broan-branded replacement with the 99080483 model |
| A replacement with two operating speeds | D1092 OEM Direct Replacement Motor 1/3 HP 1675/1080 RPM | Two speeds give you more operating flexibility |
| A mill motor for a Bridgeport-type import | REPLACEMENT MOTOR for Bridgeport type IMPORT MILL 3HP 3PH variable speed VSM3 | Includes the drum switch and pulleys for the variable-speed head |
Product notes
Broan-Nutone 99080483 Replacement Motor, Broan
If you want the same brand name as the original housing, this motor is labeled as an OEM replacement with the 99080483 model. It measures about 6.8 inches long and 6.4 inches deep, which helps when you're checking clearance inside a vent housing. The replacement is described as an OEM motor, so it's meant to work with your existing blower housing. At $114.99, it's priced well above the two lower-cost motors here, which means you're paying for the Broan-Nutone fit rather than for extra included parts. If your old motor is hard to identify, the model number and OEM description make this a straightforward reference point.
Replacement motor for Broan Nutone Bathroom Ventilation Fan 688-K 50 CFM
This is the most affordable way to get a bathroom fan running again. For a modest price, the replacement motor comes with a fan blade and is designed for the Broan Nutone 688-K at 120V and 0.7A. The product description walks you through the swap: remove the old blower plate, take off the two nuts, pull the old blade, install the new motor and blade, and put the plate back. The trade-off is the narrow fit: it's made for the 688-K, so it's not a general-purpose motor. If your fan is a different model, this motor won't be the right match.
VSM3 3HP Three-Phase Motor for Bridgeport-Type Import Mills
This is the heavy-duty end of the range. The VSM3 is a 3HP three-phase motor built for the variable-speed head of a Bridgeport-type import mill. It includes the drum switch and pulleys, and the frame is 100L with 440/220V wiring and a 6-inch shaft. The product description spells out two bolt-hole options: two bolts at 8 7/8-inch center-to-center, and four bolts at 9 1/4-inch diagonally. That means you'll need to measure your mill before spending a serious amount of money. It runs on three-phase power, so make sure your supply matches before you commit.
D1092 OEM Direct Replacement Motor 1/3 HP 1675/1080 RPM
This D1092 motor is a 1/3 HP direct replacement that runs on 115V and gives you two speeds: 1675 RPM and 1080 RPM. That speed range is useful when you want faster airflow for one job and quieter, slower operation for another. The product description says OEM names and numbers are for reference only, so treat it as a compatible replacement rather than a cosmetic duplicate of a Fasco motor. At $83.99, it lands between the low-cost fan motor and the Broan OEM motor, making it a middle-ground pick if you need a general-purpose motor with speed options.
Final recommendation by use case
If your project is a Broan Nutone 688-K bathroom fan, the replacement motor made for that model is the clear choice because it keeps the job simple. If you'd rather stay with a Broan-branded motor and you can reuse the rest of your fan assembly, the 99080483 is worth the extra cost. For a 115V motor with speed options, the D1092 is the one to grab. And if you're repairing a Bridgeport-type import mill variable-speed head, the VSM3 is the motor that fits that job.
