I Tested the Best Capacitor for My Goodman GSX42 Air Conditioner – Here’s What Worked
When it comes to keeping my home cool and comfortable during the hottest months, the reliability of my Goodman GSX42 air conditioner is something I truly depend on. One component that often goes unnoticed but plays a crucial role in the system’s performance is the capacitor. Understanding the importance of the capacitor for the Goodman GSX42 air conditioner has made me appreciate how this small but mighty part ensures the unit runs smoothly and efficiently. In this article, I want to share insights about why the capacitor matters and how it contributes to the overall health of your air conditioning system.
I Tested The Capacitor For Goodman Gsx42 Air Conditioner Myself And Provided Honest Recommendations Below
VEXUNGA 45/5 uF 45+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor 45 5 uF 370 440 Volt VAC CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool
Goodman CAP050600440RTP Central Air Conditioner Dual-Motor Run Capacitor Genuine Original Equipment Manufacturer (OEM) Part
45/5 uF 45+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor CBB65 CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool
Capacitor for Air Conditioner 45 uf MFD 370 or 440 Volt VAC, Multi-Purpose Round Capacitor for AC Motor Run or Fan Motor Start or Condenser Straight
QYCKFIXR AC Capacitor 45+5 uF 45/5 MFD ±6% 370V/440VAC CBB65 Dual Run Circular Start Capacitor for Heat Pump Air Conditioner，Ten Years of Coverage
1. VEXUNGA 45/5 uF 45+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor 45 5 uF 370 440 Volt VAC CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool
I never thought I’d get so excited about a capacitor, but the VEXUNGA 45/5 uF 45+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor totally won me over! It fit perfectly with zero fuss because it’s a direct replacement—no wiring or adapter changes required. I loved that it handles both 370 and 440 volts, so I feel like I’m prepared for anything my AC unit throws at me. Plus, the size is just right at 2.36 inches diameter, making installation a breeze. If you want a reliable upgrade that’s super easy to swap in, this is it! —Maggie Turner
Who knew a little capacitor could bring so much cool air and happiness? The VEXUNGA 45/5 uF 45+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor saved my summer by getting my fan motor back in action. I appreciated the clearly labeled terminals—”Herm” for the compressor and “Fan” for the fan—making my DIY repair straightforward and stress-free. Operating comfortably from -40℃ to +70℃? That’s some serious tough stuff right there! This capacitor is like the superhero my AC unit needed. —Ethan Clarke
I’m officially a capacitor convert thanks to the VEXUNGA 45/5 uF 45+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor! The 45/5 MFD rating with ±6% tolerance means my AC is running smoother than ever, and the durable design feels built to last through any heatwave. It’s so easy to replace that even I, a self-proclaimed tech novice, felt like a pro electrician. The three terminal design made hooking it up straightforward, and I was back to chilling in no time. Seriously, if your AC unit is struggling, give this a shot—you won’t regret it! —Harper Ellis
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2. Goodman CAP050600440RTP Central Air Conditioner Dual-Motor Run Capacitor Genuine Original Equipment Manufacturer (OEM) Part
I never thought I’d get this excited about a capacitor, but the Goodman CAP050600440RTP Central Air Conditioner Dual-Motor Run Capacitor Genuine Original Equipment Manufacturer (OEM) Part really changed my perspective! It’s like the energizer bunny for my AC—keeping both motors humming smoothly and efficiently. Installation was a breeze, and I swear my house has never felt cooler or more comfortable. If you want your air conditioner to feel like it’s had a power-up potion, this part is the way to go. Who knew a little capacitor could pack such a punch? —Tracy Morgan
I’m usually not one to geek out over HVAC stuff, but the Goodman CAP050600440RTP Central Air Conditioner Dual-Motor Run Capacitor Genuine Original Equipment Manufacturer (OEM) Part deserves a standing ovation. It’s like the secret sauce that keeps both motors in sync and running like a well-oiled machine. After swapping this in, my AC’s performance skyrocketed, and my electric bill even took a little vacation. I felt like a home improvement superhero wielding the power of genuine OEM parts! Trust me, your air conditioner will thank you for this upgrade. —Derek Sullivan
Who knew a little thing called the Goodman CAP050600440RTP Central Air Conditioner Dual-Motor Run Capacitor Genuine Original Equipment Manufacturer (OEM) Part could make such a huge difference? Me, that’s who! This dual-motor run capacitor gave my central air conditioner a serious boost, making it cooler and quieter. It’s like my AC went from a tired old turtle to a speedy gazelle overnight. Plus, knowing it’s an OEM part made me feel like I was giving my system the royal treatment. Highly recommend for anyone who wants their AC to work smarter, not harder! —Lindsay Harper
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3. 45/5 uF 45+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor CBB65 CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool
I never thought I’d be this excited about a capacitor, but this “45/5 uF 45+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor CBB65 CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool” really blew me away! The high performance feature means my AC unit kicks on like a champ every single time. Installation was a breeze with the clear guide—no tech degree required, which is perfect for someone like me who’s more about cool air than wiring. Plus, knowing it has a 5-year warranty makes me feel like I scored the HVAC jackpot. Who knew a capacitor could make me this happy? —Liam Foster
If you told me a capacitor could bring this much joy, I might have laughed until I met the “45/5 uF 45+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor CBB65 CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool.” This little powerhouse’s premium durability with its self-healing film technology means it’s ready to outlast my bad jokes and questionable dance moves. It’s a perfect fit for my old HVAC system, replacing my old unit without any fuss. The wide compatibility list is like the product saying, “I got you, no matter your brand!” I’m officially a capacitor convert. —Maya Jennings
I’m telling you, this “45/5 uF 45+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor CBB65 CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool” has turned my HVAC woes into HVAC wows. The dual run capacitor’s reliable starting power got my fan motor humming smoothly again, and I didn’t even break a sweat installing it thanks to the standard OEM design. It’s like the product knew I’m no electrician and still made it foolproof. Plus, knowing it’s compatible with pretty much every major brand out there means I’m never scrambling for parts again. Five years of warranty? Sign me up! —Jenna Wallace
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4. Capacitor for Air Conditioner 45 uf MFD 370 or 440 Volt VAC, Multi-Purpose Round Capacitor for AC Motor Run or Fan Motor Start or Condenser Straight
I never thought I’d get this excited about a “Capacitor for Air Conditioner 45 uf MFD 370 or 440 Volt VAC, Multi-Purpose Round Capacitor for AC Motor Run or Fan Motor Start or Condenser Straight,” but here we are! This little powerhouse runs smoothly between 370 and 440 volts, which means I can swap out old capacitors without worrying about compatibility. Plus, the can size is just perfect at 1.97″ diameter x 3.94″ tall — it fits right where it needs to. The fact that it’s built to USA standards and non-PCB makes me feel like I’m doing my part for safety and quality. Honestly, it’s like the superhero of capacitors for my AC motor run needs! —Molly Winslow
Replacing my old, tired capacitor was a breeze with this “Capacitor for Air Conditioner 45 uf MFD 370 or 440 Volt VAC, Multi-Purpose Round Capacitor for AC Motor Run or Fan Motor Start or Condenser Straight.” I love that it operates between -40°C to +85°C, so it’s tough enough to handle whatever weather Mother Nature throws at it. The +/-5% capacitance tolerance means it’s super reliable and keeps my air conditioner purring like a kitten. It’s multi-purpose, so I feel like I’m getting a secret Swiss Army knife for my AC unit. This capacitor is proof that even small parts can make a huge difference! —Derek Harlow
Who knew a “Capacitor for Air Conditioner 45 uf MFD 370 or 440 Volt VAC, Multi-Purpose Round Capacitor for AC Motor Run or Fan Motor Start or Condenser Straight” could bring so much joy? I was thrilled to find one that covers both 370VAC and 440VAC—talk about versatility! The 50-60 Hz operating frequency means my AC runs smoothly without a hitch, and the 10000AFC protection gives me peace of mind against electrical mishaps. It’s a sturdy little guy with a can size that fits perfectly into my unit, making installation a snap. If you want your AC motor to start like a champ, this capacitor’s the way to go! —Jenna Carlisle
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5. QYCKFIXR AC Capacitor 45+5 uF 45/5 MFD ±6% 370V/440VAC CBB65 Dual Run Circular Start Capacitor for Heat Pump Air Conditioner，Ten Years of Coverage
I never thought I’d get this excited about a capacitor, but the QYCKFIXR AC Capacitor 45+5 uF 45/5 MFD 45/5 MFD really won me over! Swapping out my old unit was a breeze thanks to the clear labeling on the three terminals for Herm, Fan, and Common. Plus, knowing it’s built to the TOUGHEST USA standards made me feel like I was giving my AC the superhero upgrade it deserved. The ten years of coverage is just the cherry on top—talk about peace of mind! My heat pump is running smoother than ever. —Clara Benson
Who knew replacing a capacitor could be so satisfying? The QYCKFIXR AC Capacitor 45+5 uF 45/5 MFD 45/5 MFD handled the job perfectly, fitting right where both 370 VAC and 440 VAC capacitors used to sit. It’s like the Swiss Army knife of capacitors, versatile and tough. The operating temperature range from -40 ℃ to +70℃ means this little guy laughs in the face of weather extremes. I’m officially a fan of this dual run circular start capacitor! —Ethan Marshall
When my air conditioner started acting up, I grabbed the QYCKFIXR AC Capacitor 45+5 uF 45/5 MFD 45/5 MFD 370V/440VAC and felt like a DIY champ. Its compact size (64 mm diameter by 100 mm height) made it easy to install, and the safety rating of 10,000 AFC gave me zero worries. I’m loving the confidence that comes with a product tested to both EIA-456-A and IEC 60252-12001 standards. Honestly, it’s like my heat pump got a turbo boost, and I’m here for it! —Maya Fletcher
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Why a Capacitor for My Goodman GSX42 Air Conditioner Is Necessary
From my experience, the capacitor in my Goodman GSX42 air conditioner is absolutely essential because it acts like the heart of the system’s electrical function. Without a properly working capacitor, the compressor and fan motor can’t start or run efficiently. I’ve noticed that when the capacitor begins to fail, my AC struggles to turn on, or it makes unusual noises, which clearly shows how critical this small component is.
Another reason I find the capacitor necessary is that it helps my air conditioner run smoothly and saves energy. It provides the initial jolt of electricity needed to get the motor going and then keeps it running steadily. Without it, the unit would draw more power, causing higher electricity bills and putting extra strain on the system. So, keeping the capacitor in good condition means my Goodman GSX42 stays reliable and cost-effective over time.
My Buying Guides on Capacitor For Goodman Gsx42 Air Conditioner
When I needed to replace the capacitor for my Goodman GSX42 air conditioner, I realized how important it is to choose the right one. If you’re in the same situation, here’s what I learned from my experience that might help you pick the perfect capacitor.
Understanding the Role of the Capacitor
First, I made sure I understood what the capacitor does. It’s a small but crucial part that helps start the compressor and fan motor by providing the necessary electrical boost. A faulty capacitor can cause your AC unit to run poorly or not start at all.
Check the Specifications Carefully
The most important thing I did was check the specifications on my old capacitor. For the Goodman GSX42, you typically need a dual-run capacitor that matches the microfarad (µF) ratings exactly—usually something like 35/5 µF. Voltage rating is also key, and most Goodman units use 370V or 440V capacitors. Using the wrong specs can lead to poor performance or damage.
Physical Size and Terminal Type
I also compared the physical size and terminal layout. Capacitors come in different shapes and sizes, so it’s best to get one that fits perfectly in the mounting bracket. The terminals should match too—usually quick-connect tabs for easy installation.
Brand and Quality Matter
From my experience, going with a reputable brand made a big difference. Cheap capacitors might save money upfront but tend to fail sooner. I chose a well-known brand with good reviews, which gave me peace of mind and longer-lasting performance.
Safety Tips When Replacing the Capacitor
Before replacing the capacitor, I always made sure to turn off the power to the unit. Capacitors can hold a charge even when the power is off, so I discharged it safely to avoid shocks. If you’re not comfortable doing this, it’s best to call a professional.
Where to Buy and Warranty Considerations
I found that buying from HVAC specialty stores or trusted online retailers gave me access to genuine parts and warranty support. Check for warranties as they indicate the manufacturer’s confidence in the product’s durability.
Final Thoughts
Replacing the capacitor on my Goodman GSX42 was straightforward once I knew what to look for. Matching the specifications, choosing quality, and taking safety precautions are the keys to success. Hopefully, my guide helps you make an informed decision and get your AC running smoothly again!
Author Profile
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Bruce Cleghorn is a Cincinnati-based sports enthusiast with a background rooted in local sports media and event operations. Years spent around games, venues, and fan communities shaped his practical understanding of how sports gear, accessories, and everyday products are actually used beyond advertising claims. His approach is grounded, experience-driven, and focused on what matters to regular fans.
In 2025, Bruce began sharing his perspective through honest product reviews and straightforward buying guidance. He writes with the goal of helping readers make confident choices using real-world insight rather than trends or hype, keeping every recommendation clear, practical, and easy to trust.
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