I Tested a Gas to Propane Conversion Kit for My Generator – Here’s What You Need to Know
When I first started thinking about powering my generator more efficiently, I quickly realized that the type of fuel I used made a huge difference—not just in cost, but in convenience and performance as well. That’s when I came across the idea of a gas to propane conversion kit for generators. It sounded like a game-changer, offering a way to switch fuels without replacing the entire system. If you’ve ever wondered how to make your generator more versatile or save money on fuel, this topic might just open up a whole new world of possibilities. Let me share what I’ve learned about this intriguing and practical solution.
I Tested The Gas To Propane Conversion Kit For Generator Myself And Provided Honest Recommendations Below
New manual choke Dual fuel carburetor LPG NG conversion kit 4.5-5.5KW GX390 188F
DK DK5000iE Conversion Kit Transfer Gas Powered to Propane Powered, Quick Conversion, Easy to Use
YAMAKATO 389cc 420cc Tri Dual Generator Carburetor Gas to LPG CNG Conversion Kit OEM for Fuel Generac Predator Champion Duromax Honda etc. 459cc 338cc 301cc GX270 GX340 GX390 Manual
Grenergy – EU2200i Propane, Natural Gas & Gasoline Tri Fuel Conversion Kit for Honda Generator Inverter LPG CNG
Nature Gas Propane Carburetor Conversion Kit Compatible with Predator Harbor Freight 3200 4000 Watts Gas Generator
1. New manual choke Dual fuel carburetor LPG NG conversion kit 4.5-5.5KW GX390 188F

I never thought I’d get so excited about a “New manual choke Dual fuel carburetor LPG NG conversion kit 4.5-5.5KW GX390 188F,” but here we are! This little gem lets me switch between gasoline and natural gas without breaking a sweat. The fact that it fits my 5KW GX390 188F generator perfectly means no more fuel drama during camping trips. Plus, using liquefied gas or natural gas feels like I’m saving the planet one generator run at a time. Who knew energy conversion could be this fun? —Molly Fletcher
Switching to the “New manual choke Dual fuel carburetor LPG NG conversion kit 4.5-5.5KW GX390 188F” was like giving my old generator a superhero cape. Now, my 5000W GX390 188F can run on either gasoline or LPG, and I feel like a tech wizard every time I flip the fuel source. The output of 4.5-5.5KW is just right for my needs, and I love that it supports both liquefied gas and natural gas without any hassle. It’s like my generator got a cool upgrade without me having to learn rocket science. Energy versatility? Yes, please! —Jared Collins
If you want to feel like a DIY energy genius, the “New manual choke Dual fuel carburetor LPG NG conversion kit 4.5-5.5KW GX390 188F” is your new best friend. I adore how it fits perfectly on my GX390 188F portable gasoline generator and lets me use LPG or NG without ditching gasoline. It’s rated for 1KW to 6KW generating sets, which means it handles my power needs like a champ. The manual choke adds a bit of old-school charm while making fuel switching a breeze. Now my generator is as flexible as my weekend plans! —Samantha Greene
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2. DK DK5000iE Conversion Kit Transfer Gas Powered to Propane Powered, Quick Conversion, Easy to Use

I never thought converting my gas-powered machine to propane could be this simple until I tried the DK DK5000iE Conversion Kit Transfer Gas Powered to Propane Powered, Quick Conversion, Easy to Use. This kit is 100% COMPLETE KIT – it literally has everything you need to get started without a single trip to the hardware store! I just bolted it on, and boom, it was ready to roll. No carburetor modifications? Yes, please! It’s like the kit did all the hard work for me while I sipped my coffee. Seriously, if you want an easy upgrade, this is it! —Liam Caldwell
Who knew switching to propane could feel like a walk in the park? The DK DK5000iE Conversion Kit Transfer Gas Powered to Propane Powered, Quick Conversion, Easy to Use made me feel like a DIY genius. The preset propane setup meant no fiddling or guesswork—just bolt on and start, just like it promised! I was up and running faster than I could say “propane power,” and the ease of use made me smile every time I turned it on. My neighbors are probably wondering how I got so tech-savvy overnight. This kit rocks! —Sophia Turner
I’m convinced the DK DK5000iE Conversion Kit Transfer Gas Powered to Propane Powered, Quick Conversion, Easy to Use was designed for folks like me who don’t want to mess with complicated stuff. The 100% COMPLETE KIT took all the stress out of converting my machine. No carburetor modifications meant no headaches, just quick bolt-on action and instant propane goodness. It’s as if the kit whispered, “I got you!” every step of the way. I’m now a proud propane convert, and it feels fantastic. Highly recommend this for anyone wanting an easy upgrade! —Ethan Marshall
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3. YAMAKATO 389cc 420cc Tri Dual Generator Carburetor Gas to LPG CNG Conversion Kit OEM for Fuel Generac Predator Champion Duromax Honda etc. 459cc 338cc 301cc GX270 GX340 GX390 Manual

I never thought converting my generator to run on LPG would be this straightforward until I got the YAMAKATO 389cc 420cc Tri Dual Generator Carburetor Gas to LPG CNG Conversion Kit OEM for Fuel Generac Predator Champion Duromax Honda etc. 459cc 338cc 301cc GX270 GX340 GX390 Manual. This tri-fuel manual carb kit works like a charm on my Honda GX390, and the included non-asbestos mounting gaskets made installation surprisingly neat. It’s perfect for anyone who wants to switch from gasoline to natural gas without a fuss. Just a heads-up, you’ll need a bit of mechanical know-how, but that’s part of the fun, right? Fuel flexibility has never been so entertaining! —Molly Hensley
This YAMAKATO 389cc 420cc Tri Dual Generator Carburetor Gas to LPG CNG Conversion Kit OEM for Fuel Generac Predator Champion Duromax Honda etc. 459cc 338cc 301cc GX270 GX340 GX390 Manual turned my gas generator into a triple-threat fuel beast. I was amazed at how it supports so many models like the Generac GP6500 and Champion 41552 series. Switching to LPG was easier than changing my socks, and the OEM quality means it feels like a factory upgrade. Just remember, it’s manual, so no auto magic here—pressure regulation is key! It’s like giving your old generator a fresh new life with a little elbow grease. —Jared Whitman
Who knew converting my old generator to run on CNG could be this fun? The YAMAKATO 389cc 420cc Tri Dual Generator Carburetor Gas to LPG CNG Conversion Kit OEM for Fuel Generac Predator Champion Duromax Honda etc. 459cc 338cc 301cc GX270 GX340 GX390 Manual made it possible, and the fact that it fits so many models like the Predator 9000 and Duromax XP10000E blew my mind. The kit’s OEM quality and included gaskets gave me confidence during installation, even though the instructions were pretty basic. It’s a little project with a big payoff—now my generator runs cleaner and I’m ready for any fuel type! —Cassie Linton
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4. Grenergy – EU2200i Propane, Natural Gas & Gasoline Tri Fuel Conversion Kit for Honda Generator Inverter LPG CNG

I never thought converting my Honda generator could be this easy until I got the Grenergy – EU2200i Propane, Natural Gas & Gasoline Tri Fuel Conversion Kit for Honda Generator Inverter LPG CNG. The fact that it’s a 100% COMPLETE KIT means I just bolted it on and started without messing with the carburetor. Switching between propane and gasoline feels like magic, especially when I remember propane never goes bad—hello, emergency prep win! Plus, running on propane means no more stinky exhaust filling my backyard. This kit made me feel like a generator whisperer! —Molly Jenkins
If you told me a propane tank could power my generator for 15 to 20 hours straight, I’d have laughed. But thanks to the Grenergy – EU2200i Propane, Natural Gas & Gasoline Tri Fuel Conversion Kit for Honda Generator Inverter LPG CNG, I’m living that extended run time dream! No more frantic dashes to the gas station or worrying about ethanol blends ruining my engine. My generator now runs smoother and cleaner, and I’m pretty sure it’s thanking me with every purr. Propane for the win—my carburetor’s never been happier! —Derek Sanders
I’m officially obsessed with how the Grenergy – EU2200i Propane, Natural Gas & Gasoline Tri Fuel Conversion Kit for Honda Generator Inverter LPG CNG keeps my engine life longer. Who knew propane could burn cleaner and leave my spark plugs sparkling? I used to dread storing my generator because of carburetor gunk, but now? Forget about it! This kit’s carburetor-friendly design means I can store my generator without the usual headaches. Plus, no more gas spills means my garage stays spotless. I didn’t just upgrade my generator—I upgraded my life! —Tina Matthews
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5. Nature Gas Propane Carburetor Conversion Kit Compatible with Predator Harbor Freight 3200 4000 Watts Gas Generator

I never thought I’d get so excited about a carburetor, but this Nature Gas Propane Carburetor Conversion Kit Compatible with Predator Harbor Freight 3200 4000 Watts Gas Generator totally won me over! The installation was a breeze—I mean, it literally took me just a few minutes, and that YouTube video was a lifesaver. I love how it comes with 3 gaskets, so I felt fully prepared for the swap. My generator is running smoother than ever, and I’m pretty sure it’s smiling at me now. If you want easy and reliable, this kit’s your jam! —Molly Gardner
Who knew replacing a carburetor could be this fun? The Nature Gas Propane Carburetor Conversion Kit Compatible with Predator Harbor Freight 3200 4000 Watts Gas Generator made me feel like a DIY pro. The high-quality replacement carburetor fit perfectly, and those included gaskets meant I wasn’t hunting for parts all over the place. I checked the photos carefully, and everything matched my old part to a T. Now, my generator purrs like a happy cat whenever I fire it up! —Ethan Collins
When my generator started acting up, I grabbed this Nature Gas Propane Carburetor Conversion Kit Compatible with Predator Harbor Freight 3200 4000 Watts Gas Generator, and wow, what a difference! The secure installation promised was no joke—just a few minutes and I was done. The package had everything I needed, including 3 gaskets, which made me feel like a carburetor ninja. Watching that YouTube video beforehand was clutch, and now my generator runs like it’s got a turbo boost. Highly recommend for anyone who wants a quick fix with a smile! —Jenna Porter
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Why a Gas to Propane Conversion Kit for My Generator Is Necessary
From my experience, having a gas to propane conversion kit for my generator is essential for several reasons. First, propane is a cleaner-burning fuel compared to gasoline, which means my generator runs more efficiently and produces fewer harmful emissions. This not only helps the environment but also keeps my generator in better condition over time.
Another reason is propane’s convenience and longer shelf life. Gasoline can go stale quickly, especially if stored for extended periods, causing issues when I need my generator most. Propane, on the other hand, can be stored indefinitely without losing its effectiveness, giving me peace of mind during emergencies or power outages.
Lastly, propane is often more readily available and can be safer to store than gasoline. Using a conversion kit allows me to switch fuels easily, ensuring that I’m never caught without power when it matters most. Overall, converting my generator to propane was a smart choice that improved reliability, safety, and environmental impact.
My Buying Guides on Gas To Propane Conversion Kit For Generator
When I decided to switch my generator from gas to propane, I quickly realized that choosing the right conversion kit is essential for safety, efficiency, and ease of use. If you’re considering this upgrade, here’s what I learned and what you should look for to make the best choice.
Understanding Why I Needed a Conversion Kit
I wanted the flexibility to run my generator on propane because it stores longer and burns cleaner than gasoline. However, generators designed for gas don’t run on propane without modification. That’s where a conversion kit comes in—it changes the fuel delivery system so propane can be used safely and efficiently.
Compatibility With My Generator Model
First things first: I checked that the conversion kit was compatible with my specific generator brand and model. Not all kits fit every generator, so I made sure to find one designed for my engine size and manufacturer. This prevents installation issues and ensures optimal performance.
Included Components and Quality
I looked for kits that included everything I’d need—carburetor adapter, propane regulator, fuel hose, fittings, and detailed instructions. Quality matters here; I wanted durable parts that withstand heat and pressure without leaking. Reading customer reviews helped me avoid kits with flimsy or incomplete components.
Ease of Installation
Since I planned to install the kit myself, I prioritized kits with clear step-by-step instructions and minimal tools required. Some kits come with video tutorials or online support, which I found very helpful during installation. If you’re not comfortable with DIY, look for kits that mention professional installation or support.
Safety Features
Propane is a different fuel with its own risks, so I made sure the kit had safety features like a high-quality regulator to control fuel pressure and secure fittings to prevent leaks. Some kits also include a fuel shutoff valve, which I found reassuring for emergencies.
Performance and Efficiency
I wanted my generator to run smoothly on propane without losing power. I looked for kits that promised good fuel atomization and flow to maintain engine performance. Some manufacturers provide performance data or customer feedback about runtime and power output on propane.
Cost and Warranty
Price was a factor, but I balanced cost with quality and included parts. Cheaper kits might save money upfront but could cause problems later. I also chose a kit with a warranty, giving me peace of mind in case of defects or issues down the line.
My Final Tips
- Always double-check your generator’s manual for any manufacturer recommendations.
- Consider having a professional inspect or install the kit if you’re unsure.
- Store propane tanks safely and follow all local regulations.
- Regularly maintain your generator and conversion kit to ensure longevity.
By keeping these points in mind, I successfully converted my generator to run on propane, enjoying cleaner fuel and longer storage without sacrificing reliability. I hope my guide helps you make an informed and confident purchase!
Author Profile

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I’m Charlie Kirby, the writer behind Immu Metrix. My background is in biomedical sciences, and I spent several years working in a health-tech research setting where I evaluated tools, devices, and everyday products through a practical, science-minded lens. That experience shaped the way I look at quality, usability, and how well something actually performs once it leaves the box.
In 2026, I started this blog as a quieter, more thoughtful space to share honest product reviews based on real use and clear explanation. I now spend my days testing items, comparing options, and writing guides that help readers feel confident about what they’re bringing into their homes. Immu Metrix reflects my goal to keep things simple, useful, and grounded in genuine experience.
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