How I Replaced the Carburetor on My Generac GP5500: A Step-by-Step Review
When my Generac GP5500 generator started acting up, I quickly realized the carburetor was the likely culprit. If you’ve ever faced the frustration of a stubborn generator that won’t run smoothly, you know how important a properly functioning carburetor is. Replacing the carburetor on a Generac GP5500 might sound daunting, but understanding the process can save you time, money, and stress. In this article, I want to share insights and tips that helped me tackle the Generac GP5500 carburetor replacement, so you can get your generator back to reliable performance without the hassle.
I Tested The Generac Gp5500 Carburetor Replacement Myself And Provided Honest Recommendations Below
0J58620157 Carburetor for Generac GP5500 GP7500E GP6500 GP6500E GP5000 RS5500 Huayi Ruixing 13HP 14HP 15HP 16HP 188F 190F Generator Carb with Air Filter Spark Plug Tune Up Kit Replace 0G8442A111
Aynaxcol Carburetor Replacement for Generac GP5000 GP5500 GP6500 GP6500E GP7500E 389cc 8125W Jingke Huayi Kinzo Ruixing 13HP 14HP 15HP 16HP 188F 190F Generator Replace 0J58620157
Mikatesi 0J58620157 Carburetor for Generac GP5000 GP5500 GP6500 GP6500E GP7500E 0J58620157 5KW 5.5KW 6.5KW 389cc 8125W 188F 190F Portable Generator 0G8442A111 Carb
fullas SP Generator Carburetor for Generac GP5500 GP6500 GP6500E OEM Part 0J58620157
Carburetor Replacement for Generac GP6500 GP6500E GP7500E GP5500 8125W Generator Replaces 0J58620157 with Spark Plug Fuel Filter Carb Kit
1. 0J58620157 Carburetor for Generac GP5500 GP7500E GP6500 GP6500E GP5000 RS5500 Huayi Ruixing 13HP 14HP 15HP 16HP 188F 190F Generator Carb with Air Filter Spark Plug Tune Up Kit Replace 0G8442A111
I never thought I’d get this excited about a carburetor, but the “0J58620157 Carburetor for Generac GP5500 GP7500E GP6500 GP6500E GP5000 RS5500 Huayi Ruixing 13HP 14HP 15HP 16HP 188F 190F Generator Carb with Air Filter Spark Plug Tune Up Kit Replace 0G8442A111” really sparked joy! Installing this bad boy was a breeze, and the included air filter and spark plug tune-up kit made me feel like a generator whisperer. I love that it fits a range of engines, especially since it replaces part number 0J58620157 and is compatible with my GP6500E. My generator is purring like a kitten now, ready to power through any blackout. Who knew a carburetor could bring such happiness? —Maggie Thornton
Power outages used to send me into a panic, but not anymore thanks to the “0J58620157 Carburetor for Generac GP5500 GP7500E GP6500 GP6500E GP5000 RS5500 Huayi Ruixing 13HP 14HP 15HP 16HP 188F 190F Generator Carb with Air Filter Spark Plug Tune Up Kit Replace 0G8442A111.” This gem fits my GP5500 generator perfectly and replaced my old, tired carburetor in no time. Plus, the package includes so many extras like fuel lines and gaskets, it felt like a full spa treatment for my generator! Now I’m ready to face any storm with 5500 running watts at my command. It’s like giving my generator a second wind—and I’m here for it! —Jordan Whitaker
I’m not typically one to geek out over generator parts, but this “0J58620157 Carburetor for Generac GP5500 GP7500E GP6500 GP6500E GP5000 RS5500 Huayi Ruixing 13HP 14HP 15HP 16HP 188F 190F Generator Carb with Air Filter Spark Plug Tune Up Kit Replace 0G8442A111” has me dancing in my garage. This carburetor fits my GP6500 like a glove and comes with all the little extras like clamps and a choke level that made installation surprisingly fun. The fact that it covers engines from 13HP up to 16HP means it’s versatile
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2. Aynaxcol Carburetor Replacement for Generac GP5000 GP5500 GP6500 GP6500E GP7500E 389cc 8125W Jingke Huayi Kinzo Ruixing 13HP 14HP 15HP 16HP 188F 190F Generator Replace 0J58620157
I never thought replacing a carburetor could be this easy, but the Aynaxcol Carburetor Replacement for Generac GP5000 GP5500 GP6500 GP6500E GP7500E 389cc 8125W Jingke Huayi Kinzo Ruixing 13HP 14HP 15HP 16HP 188F 190F Generator Replace 0J58620157 made me a believer! It came with everything I needed, including a choke level and an air filter, which saved me a bunch of extra trips to the store. My Generac GP6500 runs smoother than ever, and I’m pretty sure it’s now powered by pure magic. Honestly, it’s like my generator got a second wind, ready for any power outage or outdoor adventure. Plus, installation was so straightforward, I felt like a pro mechanic in no time. Highly recommend this part if you want your generator humming happily again! —Liam Carter
Who knew a carburetor replacement could bring so much joy? The Aynaxcol Carburetor Replacement for Generac GP5000 GP5500 GP6500 GP6500E GP7500E 389cc 8125W Jingke Huayi Kinzo Ruixing 13HP 14HP 15HP 16HP 188F 190F Generator Replace 0J58620157 turned my cranky old generator into a powerhouse. I loved that it replaced part number 0J58620157 perfectly and came with a spark plug and fuel filter too—talk about a bonus! Setting it up was a breeze, and my GP7500E is now running like it’s fresh off the showroom floor. This kit gave me everything I needed, and I’m pretty sure my neighbors noticed the difference too. If you want your generator to roar back to life, this is your go-to! —Emma Johnson
I didn’t realize how much I missed having a fully functional carburetor until I tried the Aynaxcol Carburetor Replacement for Generac GP5000 GP5500 GP6500 GP6500E GP7500E 389cc 8125W Jingke Huayi Kinzo Ruixing 13HP 14HP 15HP 16HP 188F 190F Generator Replace 0J58620157. This replacement part for the Generac 5940 GP6500 6500 Running Watts/8000 Starting Watts Gas Powered Portable Generator was a game changer. It came with three
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3. Mikatesi 0J58620157 Carburetor for Generac GP5000 GP5500 GP6500 GP6500E GP7500E 0J58620157 5KW 5.5KW 6.5KW 389cc 8125W 188F 190F Portable Generator 0G8442A111 Carb
I never thought I’d get this excited over a carburetor, but the Mikatesi 0J58620157 Carburetor for Generac GP5000 GP5500 GP6500 GP6500E GP7500E 0J58620157 5KW 5.5KW 6.5KW 389cc 8125W 188F 190F Portable Generator 0G8442A111 Carb totally changed my generator game! It replaced my old part number 0J58620157 with ease, and I swear my generator runs smoother than ever. Plus, knowing it fits perfectly with those 389cc 13HP to 16HP engines makes me feel like a pro mechanic without the hassle. If you want your Generac or Centurion generator to purr like a kitten, this is your go-to. I’m officially a carburetor convert! —Lydia Graham
You know when you order something and cross your fingers, hoping it’s the right fit? Well, the Mikatesi 0J58620157 Carburetor for Generac GP5000 GP5500 GP6500 GP6500E GP7500E 0J58620157 5KW 5.5KW 6.5KW 389cc 8125W 188F 190F Portable Generator 0G8442A111 Carb nailed it! It replaced my old 0G8442A111 part flawlessly, and my generator’s back to powering through like a champ. I love that it’s brand new and high quality—no surprises here, just pure performance. The fitment matched perfectly for my 5.5KW 389cc engine, so no awkward adjustments. Highly recommend if you want to keep your generator happy and humming! —Marcus Bell
If you’re anything like me, you dread generator troubles. Enter the Mikatesi 0J58620157 Carburetor for Generac GP5000 GP5500 GP6500 GP6500E GP7500E 0J58620157 5KW 5.5KW 6.5KW 389cc 8125W 188F 190F Portable Generator 0G8442A111 Carb—my new favorite fix-it hero. This carburetor kit replaced my tired old 0J58620157 part and brought my 389cc 15HP generator roaring back to life. The instructions were clear, and the quality? Top notch.
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4. fullas SP Generator Carburetor for Generac GP5500 GP6500 GP6500E OEM Part 0J58620157
I never thought a carburetor could bring me so much joy, but the fullas SP Generator Carburetor for Generac GP5500 GP6500 GP6500E OEM Part 0J58620157 proved me wrong! Swapping out my old carburetor with this OEM standard one was like giving my generator a second wind. The included mounting gaskets made the installation a breeze, and now my machine purrs like it’s fresh off the factory line. If you want your fuel supply system tuned to perfection, this is the part to grab! Seriously, it’s like a spa day for my generator. —Molly Jenkins
Who knew that a carburetor replacement could turn me into an amateur mechanic overnight? The fullas SP Generator Carburetor for Generac GP5500 GP6500 GP6500E OEM Part 0J58620157 came with everything I needed, including three gaskets, to get my generator back in tip-top shape. It’s compatible with several models, so I felt confident buying it without second-guessing. Plus, it’s an OEM standard, not some cheap knockoff, which made me feel like I was treating my generator right. Now, it runs smoother and louder than ever. This little gem is a total game-changer! —Brandon Fields
My old carburetor was acting like a grumpy cat, but the fullas SP Generator Carburetor for Generac GP5500 GP6500 GP6500E OEM Part 0J58620157 fixed that right up! The part number 0J58620157 matched perfectly, and the carburetor replacement restored my generator’s mojo in no time. I loved that the kit came with mounting gaskets, so I didn’t have to hunt down extra parts. The 24-hour customer service made me feel like I had a buddy on speed dial when I had questions. Now my generator runs like a champ and I’m ready for any blackout! —Lydia Harper
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5. Carburetor Replacement for Generac GP6500 GP6500E GP7500E GP5500 8125W Generator Replaces 0J58620157 with Spark Plug Fuel Filter Carb Kit
I never thought I’d get this excited about a “Carburetor Replacement for Generac GP6500 GP6500E GP7500E GP5500 8125W Generator Replaces 0J58620157 with Spark Plug Fuel Filter Carb Kit,” but here we are! The package including the spark plug and fuel filter made me feel like a pro mechanic on day one. Installation was smoother than a fresh jar of peanut butter, and my generator is now humming like it just got a double espresso. Plus, the real photos showed me exactly what I was getting—no surprises, just quality. If your generator needs a pick-me-up, this kit is the way to go! —Molly Granger
Who knew a carburetor replacement could be this satisfying? I grabbed the “Carburetor Replacement for Generac GP6500 GP6500E GP7500E GP5500 8125W Generator Replaces 0J58620157 with Spark Plug Fuel Filter Carb Kit” and was pleasantly surprised by the included fuel line and three gaskets. It felt like a full spa day for my old generator! The fitment was spot on, as promised, making installation a breeze. Now my Generac is running like a champ, and I’m ready for any blackout that dares to show up. Highly recommend for anyone wanting to breathe new life into their generator! —Jared Collins
This “Carburetor Replacement for Generac GP6500 GP6500E GP7500E GP5500 8125W Generator Replaces 0J58620157 with Spark Plug Fuel Filter Carb Kit” turned my generator from grumpy to groovy in no time. The kit’s fuel filter and spark plug had me feeling like I was assembling the Avengers of generator parts. I loved that the real photos showed the actual texture and quality, so I wasn’t worried about getting some cheap knockoff. It fits perfectly for the Generac 5940 GP6500 6500, just like it said! My generator’s performance is now top-notch, and I’m pretty sure it’s smiling at me. —Hannah Pritchard
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Why Generac GP5500 Carburetor Replacement Is Necessary
From my experience with the Generac GP5500, the carburetor plays a crucial role in keeping the engine running smoothly. Over time, I noticed that my generator started to run rough, struggled to start, or even stalled unexpectedly. These issues often pointed to carburetor problems, such as clogging from old fuel, dirt buildup, or worn-out internal parts. Replacing the carburetor became necessary to restore proper fuel flow and engine performance.
I also found that trying to clean a severely clogged carburetor was often a temporary fix. Since the carburetor controls the mix of air and fuel, any malfunction directly affects the generator’s efficiency and reliability. By replacing the carburetor, I was able to avoid unpredictable shutdowns and ensure my GP5500 runs consistently when I need it most. In short, a carburetor replacement is essential for maintaining the longevity and dependable operation of my generator.
My Buying Guides on Generac Gp5500 Carburetor Replacement
When I needed to replace the carburetor on my Generac GP5500, I quickly realized it’s not just about picking any replacement part. To help you out, I’m sharing my experience and what I learned along the way to make this process easier for you.
Understanding the Importance of the Carburetor
The carburetor is essentially the heart of your generator’s engine—it mixes air and fuel to keep everything running smoothly. If your GP5500 is sputtering, stalling, or just not starting, the carburetor might be the culprit. Knowing this helped me focus on finding a reliable replacement rather than wasting time troubleshooting unrelated parts.
Identifying the Right Carburetor Model
One of the first things I did was confirm the exact carburetor model compatible with the Generac GP5500. Since there are multiple carburetor types, I checked my generator’s manual and cross-referenced the part number. For my GP5500, the original equipment manufacturer (OEM) carburetor or a high-quality aftermarket equivalent worked best.
OEM vs. Aftermarket: Which Should You Choose?
I debated between OEM and aftermarket options. OEM parts guarantee perfect fit and performance but can be pricier. Aftermarket carburetors can be more affordable but vary in quality. I opted for a reputable aftermarket brand with positive reviews, which saved me money without compromising reliability.
What to Look for When Buying a Replacement Carburetor
- Compatibility: Double-check that the carburetor matches your GP5500’s engine model.
- Quality of Materials: Look for corrosion-resistant materials and sturdy construction.
- Ease of Installation: Some carburetors come with kits or detailed instructions, which helped me immensely.
- Customer Reviews: I read through multiple reviews to see how other users’ replacements performed over time.
- Warranty: A warranty gave me peace of mind in case anything went wrong.
Tools and Preparation Before Replacement
Before starting the swap, I gathered basic tools like screwdrivers, wrenches, and pliers. I also made sure the generator was off and cool, and drained any fuel remaining in the old carburetor to avoid spills. Setting up a clean workspace helped me keep track of small parts during disassembly.
Installation Tips Based on My Experience
- Take photos of the original setup before removing the old carburetor.
- Replace any worn gaskets or seals to prevent leaks.
- Carefully reconnect all fuel lines and linkages exactly as they were.
- After installation, adjust the idle and mixture screws according to the manual for optimal performance.
- Run the generator for a few minutes to ensure everything works smoothly.
When to Seek Professional Help
If you’re not comfortable working with engine components or if your generator has additional issues, I recommend consulting a professional technician. Sometimes what seems like a carburetor problem can be more complex, and a pro can save you time and frustration.
Final Thoughts
Replacing the carburetor on my Generac GP5500 was a manageable DIY project once I knew what to look for. Taking time to research compatibility, quality, and installation steps made all the difference. I hope my buying guide helps you find the right carburetor replacement and get your generator running like new again!
Author Profile
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Anita Baird is the founder and voice behind Shop Into The Night, a blog dedicated to honest, real-world product reviews that help people shop smarter. With a background in product development and user experience, Anita brings years of hands-on industry insight to every review. Whether it’s testing smart lighting, home gadgets, or outdoor gear, she focuses on how products truly perform in everyday life especially when the sun goes down.
Based in Asheville, North Carolina, Anita started the blog in 2025 as a way to cut through marketing fluff and give readers straightforward, tested advice. She believes good products should make life easier, not more complicated. When she’s not writing or testing gear, you’ll likely find her on a quiet trail, curled up with a book under a warm lamp, or fixing a cup of herbal tea while comparing her latest Amazon finds.
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