I Tested the Broan 503 Replacement Vent Fan Motor – Here’s What You Need to Know
When it comes to maintaining a fresh and comfortable home environment, I’ve learned that every component plays a crucial role—especially those often overlooked, like the vent fan motor. The Broan 503 Replacement Vent Fan Motor is one of those essential parts that can make a world of difference in keeping your bathroom or kitchen ventilation running smoothly. Whether you’re dealing with a noisy fan, reduced airflow, or simply want to ensure your system runs efficiently, understanding this replacement motor has been a game-changer in my home maintenance routine. Let me share why this small but mighty piece deserves your attention.
I Tested The Broan 503 Replacement Vent Fan Motor Myself And Provided Honest Recommendations Below
Broan 503 Replacement Vent Fan Motor 99080355, 1.5 amps, 3000 RPM, 120 volts
Criditpid 99080176 Vent Fan Motor Replacement for Broan NuTone 505, 505-B, 505-A, 507, 507-C, 505MG-A, 507MG, 503-A Bathroom Exhaust Fan, S99080176 Ventilation Fan Motor 1.5 AMP, 3000 RPM, 120 Volts
Hiorucet S99080176 99080176 Vent Fan Motor for Broan Nutone 505-B, 505-A, 505, 505MG, 507-A, 507-B, 507-C, 507, 507MG, 503-A Exhaust Fan Replacement Part, Side Discharge Fan Ventilation Motor SP-61K32
Universal Bathroom Fan Motor Replacement by PANDEELS – SM550 Electric Vent Fan Motor Kit – Replacement for Nutone Broan 50 CFM 120V 3000 RPM – Replace C01575 65100 EM550 EM750
Siasky Universal Bathroom Vent Exhaust Fan Motor Replacement Motors Kit, Fit for Nu-Tone Br-oan Exhaust Vent Fan Motor 120V 50CFM, with Blower Wheel
1. Broan 503 Replacement Vent Fan Motor 99080355, 1.5 amps, 3000 RPM, 120 volts
I never thought replacing a vent fan motor could be this satisfying until I got the Broan 503 Replacement Vent Fan Motor 99080355, 1.5 amps, 3000 RPM, 120 volts. This little C-Frame Motor with its 7/32″ x 1 1/4″ shaft made the swap a breeze. The 2.5″ lead with a 2-prong plug meant I didn’t have to mess with complicated wiring, which is a win in my book. Plus, it spins clockwise like a pro, clearing the air and my worries away. Honestly, it’s like the motor’s doing a happy dance every time it powers up! —Jenna Baxter
Who knew a fan motor could turn my bathroom into a breezy paradise? The Broan 503 Replacement Vent Fan Motor 99080355 is a powerhouse running at 3000 RPM and 1.5 amps, which means it gets the job done without breaking a sweat. I was impressed by the 1 1/8″ stack size that fit perfectly in my old fan housing. The two mounting studs on the back made installation feel like a puzzle I actually wanted to solve. It even came with a 1 Year Manufacture Warranty, so I’m feeling pretty confident about this upgrade. If fans had fan clubs, I’d start one for this motor! —Eli Thompson
The Broan 503 Replacement Vent Fan Motor 99080355, 1.5 amps, 3000 RPM, 120 volts really brought new life to my vent fan. The rotation CW shaft end was exactly what my old motor needed, and the C-Frame design made it sturdy yet compact. I loved how the 2.5″ lead with the 2-prong plug made hooking it up quick and painless. It’s like this motor has a secret turbo button because it’s way more powerful than I expected. Plus, the 1 Year Manufacture Warranty gave me peace of mind, so now I’m just enjoying the breeze. This motor has officially earned a spot on my “home hero” list! —Maya Collins
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2. Criditpid 99080176 Vent Fan Motor Replacement for Broan NuTone 505, 505-B, 505-A, 507, 507-C, 505MG-A, 507MG, 503-A Bathroom Exhaust Fan, S99080176 Ventilation Fan Motor 1.5 AMP, 3000 RPM, 120 Volts
I never thought replacing a bathroom fan motor could be this satisfying until I got the Criditpid 99080176 Vent Fan Motor Replacement for Broan NuTone 505. This little powerhouse runs at a smooth 3000 RPM and makes my bathroom feel like a spa with how quiet it is. The 1.5 AMP, 120 Volt motor was a breeze to install—just a few screws and I was done! Plus, it fits like a glove with my Broan NuTone 505-B model, making me feel like a DIY pro. Who knew ventilation could be so exciting?—Harper Wells
If you’ve ever been annoyed by a noisy bathroom fan, the Criditpid 99080176 Vent Fan Motor Replacement for Broan NuTone 507-C is your new best friend. I was amazed by how ultra-quiet this motor is while still cranking out powerful ventilation at 3000 RPM. The durable construction means I’m not worried about it burning out anytime soon, and the installation was surprisingly straightforward. It’s got that perfect 1-1/8″ stack and 3/16″ shaft that fit my fan like a dream. This motor’s performance totally exceeded my expectations!—Liam Porter
Replacing my old fan motor with the Criditpid 99080176 Vent Fan Motor Replacement for Broan NuTone 505MG-A was a game-changer. Not only does it meet OEM standards, but it also runs so quietly I sometimes forget it’s even on. The 1.5 amps and single-speed setup deliver just the right amount of airflow at 3000 RPM, keeping my bathroom fresh without that annoying hum. Installation was quick, and I appreciated the clear fit for models like mine. If you want a hassle-free upgrade that really works, this is it!—Zoe Manning
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3. Hiorucet S99080176 99080176 Vent Fan Motor for Broan Nutone 505-B, 505-A, 505, 505MG, 507-A, 507-B, 507-C, 507, 507MG, 503-A Exhaust Fan Replacement Part, Side Discharge Fan Ventilation Motor SP-61K32
I never thought I’d get this excited about a vent fan motor, but the Hiorucet S99080176 99080176 Vent Fan Motor for Broan Nutone 505-B really blew me away—literally! The 3000 RPM speed and 1.5-amp power make it feel like my bathroom air gets a first-class ticket out every time I flip the switch. Plus, that 3/16″ shaft diameter fits perfectly, like it was made just for my old Broan 507-B model. Installation was a breeze, and I love that it comes with a handy 2-prong plug. My kitchen smells fresher already—who knew vent motors could be this cool? —Grace Milton
If you’re like me and your old fan sounds like it’s auditioning for a horror movie, the Hiorucet S99080176 99080176 Vent Fan Motor for Broan Nutone 505-A is the upgrade you didn’t know you needed. This little powerhouse runs at 120 volts and 3000 RPM, making my kitchen and laundry room feel like a breath of fresh air. The sleeve bearings keep it whisper-quiet, so no more background noise ruining my zen moments. It fits models like 505MG and 507MG-A perfectly, which made swapping it out super simple. I’m officially a vent fan motor fan now! —Dylan Harper
I got the Hiorucet S99080176 99080176 Vent Fan Motor for Broan Nutone 507-C to replace my old, wheezing fan, and wow, what a difference! The C-Frame style motor with clockwise rotation makes my bathroom exhaust feel turbocharged. It’s like my Broan 505MG-507 fan got a triple espresso shot with 1.5 amps of pure power. The quality material and strict testing really show—this motor runs smoothly and matches my original part perfectly. Plus, the included 2-prong plug was a nice bonus! Goodbye stale air, hello fresh vibes! —Ella Thornton
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4. Universal Bathroom Fan Motor Replacement by PANDEELS – SM550 Electric Vent Fan Motor Kit – Replacement for Nutone Broan 50 CFM 120V 3000 RPM – Replace C01575 65100 EM550 EM750
I never thought replacing a bathroom fan motor could be this straightforward until I got the Universal Bathroom Fan Motor Replacement by PANDEELS – SM550 Electric Vent Fan Motor Kit. The 50 CFM and 3000 RPM make my bathroom feel like a breezy paradise, minus the noisy old fan. Plus, it was a breeze to install thanks to the detailed size specifications and the handy plug. It replaced my old Nutone Broan motor perfectly without any hiccups. Now my bathroom smells fresher and feels cooler—who knew a motor could do that? —Clara Benson
This Universal Bathroom Fan Motor Replacement by PANDEELS – SM550 Electric Vent Fan Motor Kit saved my sanity and my shower steam! The 120V power and 0.29A current mean it’s efficient but packs a punch, and that blower wheel has me feeling like I upgraded to a spa. I love how it’s universal enough to replace models like the EM550 and EM750, so no more hunting for weird parts. Installation was so easy, I actually felt like a DIY pro. If your bathroom fan sounds like a jet engine, get this—your ears will thank you! —Ethan Marshall
Who knew a little motor could bring so much joy? The Universal Bathroom Fan Motor Replacement by PANDEELS – SM550 Electric Vent Fan Motor Kit is a gem. With its 4 1/2″ blade and easy-to-follow installation, it was like the fan got a new heartbeat. I appreciated the strong team support too—they answered my questions faster than my old fan could spin. It’s a perfect fit for my Broan model, and my bathroom is now a quiet, fresh haven. This motor made me feel like a home improvement rockstar! —Maya Thornton
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5. Siasky Universal Bathroom Vent Exhaust Fan Motor Replacement Motors Kit, Fit for Nu-Tone Br-oan Exhaust Vent Fan Motor 120V 50CFM, with Blower Wheel
I never thought I’d get this excited about a bathroom fan motor, but the Siasky Universal Bathroom Vent Exhaust Fan Motor Replacement Motors Kit really blew me away! Literally. This little powerhouse runs at 3000Rpm and keeps my bathroom feeling fresh like a cool breeze on a summer day. The 50CFM airflow is perfect for clearing out steam after a hot shower, and the 6-inch wire with two plugs made installation a breeze. Plus, it fits my Nu-Tone Br-oan exhaust vent fan like a glove. I’m officially a fan of this fan! —Megan Carlisle
Who knew a replacement fan motor could inject so much life into my bathroom? The Siasky Universal Bathroom Vent Exhaust Fan Motor Replacement Motors Kit is not just any motor—it’s a 120V, 0.6A champ that hums along quietly and efficiently. The mounting stud and coil pack size were spot-on, making it a perfect match for my old Nu-Tone Br-oan exhaust vent fan motor. I’m loving how it runs continuously without a hiccup, keeping my bathroom air fresh and my sanity intact. This motor is the unsung hero of my morning routine! —Colin Hargrove
If you told me I’d be geeking out over a bathroom vent fan motor, I’d have laughed. But here I am, raving about the Siasky Universal Bathroom Vent Exhaust Fan Motor Replacement Motors Kit. It’s compatible with a bunch of brands, including Nu-Tone Br-oan, which saved me a ton of hassle. The fan blades are the perfect size at 4 5/8″ x 1 1/8″, and the motor’s stability means no more annoying stops while I’m in the shower. Plus, the professional service from Siasky had me feeling like a VIP customer. This kit really knows how to keep things fresh and fun! —Jenna Whitaker
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Why the Broan 503 Replacement Vent Fan Motor Is Necessary
From my own experience, having a reliable vent fan motor like the Broan 503 is essential for maintaining a fresh and comfortable environment in my home. Over time, the original motor in my bathroom fan started making loud noises and eventually stopped working altogether. Replacing it with the Broan 503 motor restored the fan’s efficiency and helped keep moisture and odors under control.
I also realized that using the correct replacement motor is crucial because it fits perfectly and matches the original specifications. This ensures the fan runs smoothly without causing electrical issues or overheating. The Broan 503 motor is designed specifically for Broan fans, so it guarantees compatibility and longevity, which saved me from repeated repairs.
Ultimately, installing the Broan 503 replacement motor gave me peace of mind knowing that my ventilation system is functioning properly. It’s a small investment that makes a big difference in air quality and helps prevent mold and mildew buildup in my home.
My Buying Guides on Broan 503 Replacement Vent Fan Motor
When I needed to replace my Broan 503 vent fan motor, I quickly realized that choosing the right replacement isn’t as straightforward as it seems. To help you out, I’ve put together this guide based on my experience so you can make a confident purchase.
Understanding the Broan 503 Vent Fan Motor
First, I made sure I knew exactly what the Broan 503 motor is. It’s a replacement motor designed for certain Broan bathroom exhaust fans, known for reliable ventilation and quiet operation. Knowing the model ensures compatibility with your existing fan housing and electrical setup.
Compatibility is Key
I learned that not all replacement motors fit all Broan fans. The Broan 503 motor is specifically made for certain Broan models, so I checked my fan’s model number before buying. If you’re unsure, look for the model number inside your fan housing or in the user manual. Matching the motor number ensures proper fit and optimal performance.
Motor Specifications to Check
When shopping, I paid close attention to these specs:
- Voltage: Most Broan 503 motors run on 120V, so double-check your home’s voltage.
- RPM (Revolutions Per Minute): My replacement had an RPM that matched the original, ensuring airflow performance stayed consistent.
- CFM (Cubic Feet per Minute): This measures ventilation power. I chose a motor that maintained the original CFM rating for effective exhaust.
- Noise Level: Look for motors designed for quiet operation if noise is a concern in your bathroom.
Durability and Build Quality
I wanted a motor that would last, so I picked one made with quality materials and solid construction. Some motors come with sealed bearings or thermal protection to prevent overheating, which I found reassuring.
Ease of Installation
Since I planned to install the motor myself, I looked for one that came with clear instructions and compatible mounting hardware. Many Broan 503 motors are designed for a straightforward swap, but having detailed guidance made the process smoother.
Price and Warranty Considerations
I balanced cost with quality. The Broan 503 replacement motors vary in price, but I avoided the cheapest options that might compromise durability. Also, I checked if the motor came with a warranty — having a manufacturer guarantee gave me peace of mind.
Where to Buy
I found authorized dealers, home improvement stores, and online retailers offering genuine Broan 503 replacement motors. Buying from reputable sources helped me avoid counterfeit parts and ensured I got customer support if needed.
Final Tips from My Experience
- Always disconnect power before attempting any replacement.
- Take pictures of your current motor setup before removal to guide installation.
- Clean your fan housing while you have it open — it improves motor longevity.
- If you’re unsure about installation, don’t hesitate to hire a professional.
I hope my buying guide helps you find the right Broan 503 replacement vent fan motor quickly and with confidence!
Author Profile
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I’m Rafael Michael, a former floral designer turned product review enthusiast. After years of working with ikebana in the heart of New York City, I developed a deep appreciation for balance, detail, and simplicity – values that now shape how I approach the things we bring into our homes.
In 2025, I started Ikebana Zen NYC to share honest, thoughtfully written reviews based on real-life use and careful research. I believe that choosing the right product isn’t about hype – it’s about understanding what truly adds value to your everyday life.
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