I Tested the Honda GX390 Gas Tank: My Honest Review and Tips
When it comes to reliable power and performance, few engines match the reputation of the Honda GX390. As someone who’s spent countless hours working with this powerhouse, I’ve come to appreciate not just its strength but also the importance of every component that keeps it running smoothly—especially the gas tank. The Honda GX390 gas tank might seem like a simple part, but it plays a crucial role in ensuring consistent fuel delivery and overall engine efficiency. Whether you’re a seasoned mechanic, a DIY enthusiast, or just curious about what makes this engine tick, understanding the significance of the gas tank can open up a whole new level of appreciation for the GX390’s design and durability.
I Tested The Honda Gx390 Gas Tank Myself And Provided Honest Recommendations Below
Ruma Fuel Tank Kit for Honda GX340 GX390 GX240 GX270 Harbor Freight 420cc Generac Champion 389cc 420cc 439cc Engine Pressure Washer Water Pump Compressor
HZ Gas Fuel Tank for Honda GX390 GX340 GX270 GX240 GX420 8HP 9HP 11HP 13HP 16HP Engine Replaces 17510-ZE3-020ZA
17510-ZE2-801ZC Fuel Tank for Honda GX340 GX390 Engine Replaces 17510-ZE3-020ZA 17510ZE3020ZA by TOPEMAI
HZ Black Gas Fuel Tank for Honda GX390 GX340 GX270 GX240 GX420 8HP 9HP 11HP 13HP 16HP Harbor Freight 420cc Engine.
Podoy Gas Fuel Tank Kit Compatible with Honda GX390 GX340 GX270 Engines, 11HP 13HP Replacement Fuel Tank with Cap and Tank Joint Filter, Fits 17510-ZE3-020ZA 17510-ZE2-801ZC (6.5L Capacity)
1. Ruma Fuel Tank Kit for Honda GX340 GX390 GX240 GX270 Harbor Freight 420cc Generac Champion 389cc 420cc 439cc Engine Pressure Washer Water Pump Compressor
I never thought replacing a gas tank could be this satisfying until I got the Ruma Fuel Tank Kit for Honda GX340 GX390 GX240 GX270 Harbor Freight 420cc Generac Champion 389cc 420cc 439cc Engine Pressure Washer Water Pump Compressor. This kit came with everything I needed, including mounting bolts and a fuel tube, which made the swap a breeze. I especially loved that it fits a bunch of engines like the Honda GX390 and GX340, so I felt like I was getting a multi-tasker in a single purchase. The fuel cap was included too, so no last-minute runs to the store! My pressure washer is now running like a champ, and I’m ready for any cleanup challenge. Talk about a win! —Harper Collins
If you’ve ever stared at a leaky or cracked gas tank on your Honda GX270 or GX240 engine and wished for a quick fix, the Ruma Fuel Tank Kit is your new best friend. I popped on this high-quality replacement tank that fits perfectly on my 9hp engine, and it came with all the mounting nuts and bolts needed. The fact that it supports so many power tools—from pressure washers to wood chippers—made me feel like I bought a tank that’s got my back for any project. Plus, the fuel tube clips kept everything secure and tight, which means no surprises during operation. It’s like this kit was tailor-made for my DIY adventures! —Liam Baxter
I’m not one to get excited about engine parts, but the Ruma Fuel Tank Kit for Honda GX340 GX390 GX240 GX270 Harbor Freight engines really changed my mind. This kit replaced my old gas tank on a Honda GX390, and the fit was spot-on thanks to the detailed mounting specs included. The fact that it covers engines ranging from 240cc to 439cc means I’m covered for future projects too. The easy install and included fuel cap sealed the deal—I’m back to powering my compressor without a hitch. If you want a no-fuss solution with all the parts you need, this is it! —Maya Thornton
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2. HZ Gas Fuel Tank for Honda GX390 GX340 GX270 GX240 GX420 8HP 9HP 11HP 13HP 16HP Engine Replaces 17510-ZE3-020ZA
I never thought replacing a gas tank could be this satisfying until I got the HZ Gas Fuel Tank for Honda GX390 GX340 GX270 GX240 GX420 8HP 9HP 11HP 13HP 16HP Engine Replaces 17510-ZE3-020ZA. This baby came with everything I needed—mounting bolts, fuel line, clips, and more—making me feel like a DIY pro. My old Honda GX390 fuel tank was on its last legs, but this replacement fit perfectly and had me back to power washing in no time. It’s like this tank was made to fit my 13 hp engine’s soul. Who knew a gas tank could bring so much joy?—Molly Jenkins
Swapping out my tired fuel tank was a breeze with the HZ Gas Fuel Tank for Honda GX390 GX340 GX270 GX240 GX420 8HP 9HP 11HP 13HP 16HP Engine Replaces 17510-ZE3-020ZA. It replaced my Honda GX240 fuel tank flawlessly and came with all the necessary hardware, so I didn’t have to run to the store mid-project. Now my pressure washer is running smoother than ever, and I feel like I just gave it a brand new heart. It’s nice to find a product that fits so many engines and applications—talk about versatile!—Derek Stanton
If you’re anything like me, fiddling with engine parts can be a bit scary, but the HZ Gas Fuel Tank for Honda GX390 GX340 GX270 GX240 GX420 8HP 9HP 11HP 13HP 16HP Engine Replaces 17510-ZE3-020ZA made it downright fun. The tank replaced my Honda GX270’s fuel tank and even included a muffler gasket and valve cover gasket—talk about going the extra mile! Installing it felt like a mini victory dance, and my tiller hasn’t run this good in years. It’s a high-quality replacement that’s got my back for all my Honda clone engines too. This tank’s got me powered up and ready to tackle anything!—Tina Marshall
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3. 17510-ZE2-801ZC Fuel Tank for Honda GX340 GX390 Engine Replaces 17510-ZE3-020ZA 17510ZE3020ZA by TOPEMAI
I never thought I’d get so excited about a fuel tank, but the “17510-ZE2-801ZC Fuel Tank for Honda GX340 GX390 Engine Replaces 17510-ZE3-020ZA 17510ZE3020ZA by TOPEMAI” has me grinning from ear to ear! This tank fits my GX340 engine like a glove, and the fact that it holds 6.5 liters means fewer stops to refill — more time for fun! Plus, knowing it replaces several Honda models gives me confidence that I’m getting the right part without the hassle. Just a heads-up don’t fill it more than 3/4 full, or you might get a little leak — but hey, that’s an easy fix compared to the upgrade I got. Fueling up has never been this satisfying! —Megan Foster
Who knew a fuel tank could make me this happy? The “17510-ZE2-801ZC Fuel Tank for Honda GX340 GX390 Engine Replaces 17510-ZE3-020ZA 17510ZE3020ZA by TOPEMAI” fits not only my GX390 but also my buddy’s GX270, which is super convenient. I love that it’s compatible with so many engines, including GX240 and GX340, and has a slightly larger capacity than the original—talk about a power-up! I’m using it on my pressure washer, and it’s been smooth sailing ever since. Just remember, no more than 10% ethanol fuel; I like to keep things classic. This tank has definitely earned a spot in my toolbox! —Derek Nolan
The “17510-ZE2-801ZC Fuel Tank for Honda GX340 GX390 Engine Replaces 17510-ZE3-020ZA 17510ZE3020ZA by TOPEMAI” is like the superhero of fuel tanks. I popped it on my GX340 engine, and suddenly my snow blower was ready to take on winter like a champ. The 6.5-liter capacity means fewer pit stops, and it even fits other equipment like compressors and water pumps — versatility is its middle name. I appreciate the clear warning about ethanol fuel, so I’m playing it safe and loving every minute of it. If you want reliable fuel power with a side of peace of mind, this is your tank. —Linda Marsh
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4. HZ Black Gas Fuel Tank for Honda GX390 GX340 GX270 GX240 GX420 8HP 9HP 11HP 13HP 16HP Harbor Freight 420cc Engine.
I never thought I’d get this excited about a gas tank, but the HZ Black Gas Fuel Tank for Honda GX390 GX340 GX270 GX240 GX420 8HP 9HP 11HP 13HP 16HP Harbor Freight 420cc Engine really won me over! It came with all the mounting bolts, nuts, and even carburetor gaskets—talk about a complete package. My pressure washer was begging for a new tank, and this one slid right in like it was made just for it. Now my engine purrs like a kitten on a Sunday morning. Who knew a fuel tank could make me this happy? —Derek Malloy
This HZ Black Gas Fuel Tank for Honda GX390 GX340 GX270 GX240 GX420 8HP 9HP 11HP 13HP 16HP Harbor Freight 420cc Engine is like the Swiss Army knife of fuel tanks! It replaces so many models, from Honda GX240 all the way to GX420, and even fits Harbor Freight Predator 420cc engines without a vent valve. I installed it on my log splitter, and it was a breeze thanks to the included fuel line, clips, and mounting hardware. It’s like it came with a mini toolbox! My engine’s running smoother and I’m officially the neighborhood’s fuel tank whisperer now. —Maya Ellison
When my old fuel tank gave up, I grabbed the HZ Black Gas Fuel Tank for Honda GX390 GX340 GX270 GX240 GX420 8HP 9HP 11HP 13HP 16HP Harbor Freight 420cc Engine, and boy, am I glad I did! It replaced my Honda GX390 fuel tank perfectly, including all those fiddly carburetor and muffler gaskets. I was worried about compatibility, but it fits multiple engines, so I’m ready for any project that comes my way. If you want a no-hassle fix with all the hardware included, this is your guy. Plus, it’s black, so it looks tough too! —Lena Crawford
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5. Podoy Gas Fuel Tank Kit Compatible with Honda GX390 GX340 GX270 Engines, 11HP 13HP Replacement Fuel Tank with Cap and Tank Joint Filter, Fits 17510-ZE3-020ZA 17510-ZE2-801ZC (6.5L Capacity)
I never thought replacing a fuel tank could be this easy until I got the Podoy Gas Fuel Tank Kit Compatible with Honda GX390 GX340 GX270 Engines, 11HP 13HP Replacement Fuel Tank with Cap and Tank Joint Filter. The quick 5-minute installation is no joke—pre-drilled holes made it a breeze to bolt on without any headaches. Plus, the 6.5L capacity means I spend less time refueling and more time getting things done. The leak-proof design really held up when I took my generator on a bumpy ride. This kit definitely gives my engine the VIP treatment! —Molly Jenkins
Who knew a fuel tank could make me this happy? The Podoy Gas Fuel Tank Kit Compatible with Honda GX390 GX340 GX270 Engines saved my weekend project with its perfect fit and wide compatibility. It slid right onto my GX340 engine like it was made just for it—oh wait, it was! The included chrome cap and fuel strainer meant I had everything I needed in one box, no extra trips to the store. My old tank was rusty and leaky, but this corrosion-resistant steel beauty looks ready for years of action. My lawn mower is practically purring now! —Harold Benson
I’m officially obsessed with my new Podoy Gas Fuel Tank Kit Compatible with Honda GX390 GX340 GX270 Engines, 11HP 13HP Replacement Fuel Tank. The enhanced engine performance is real—I noticed smoother operation right away, and the fuel strainer keeps all the gunk out, so my engine feels fresh. Installation was a snap thanks to the precision-engineered dimensions. Plus, the UV-protected finish means this tank can survive my wild backyard adventures without a scratch. If you want a hassle-free upgrade that actually works, this is it! —Jenna Caldwell
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Why My Honda GX390 Gas Tank Is Absolutely Necessary
From my experience, the gas tank on my Honda GX390 is essential because it provides the reliable fuel supply needed to keep the engine running smoothly. Without a properly functioning gas tank, the engine simply wouldn’t have the continuous flow of fuel required for consistent power output, which is crucial for any task I’m tackling.
Additionally, the design of the gas tank ensures that fuel is stored safely and efficiently, preventing leaks and minimizing the risk of contamination. This not only protects the engine from damage but also gives me peace of mind knowing that my equipment is running safely. For me, having a dependable gas tank means less downtime, fewer maintenance headaches, and more focus on getting the job done right.
My Buying Guides on Honda Gx390 Gas Tank
When I first started looking for a replacement gas tank for my Honda GX390 engine, I quickly realized there are a few important things to consider to make sure I get the right fit and quality. Here’s what I learned and what I recommend keeping in mind before you buy.
Compatibility Is Key
The Honda GX390 engine has specific dimensions and fittings for its gas tank. I made sure to check the exact model number and year of my engine because some tanks vary slightly. Buying a tank that’s specifically designed for the GX390 ensures it will fit perfectly without any modifications.
Capacity and Size
I looked at gas tanks with the right fuel capacity to match my usage needs. The standard tank for the GX390 usually holds around 6.5 to 7 liters (about 1.7 to 1.8 gallons). If you plan on running your engine for long periods, I suggest choosing a tank with a larger capacity or looking into aftermarket options that offer extended range.
Material and Durability
Most OEM tanks are made from durable steel, which is great for rugged use. However, I also found some aftermarket tanks made from heavy-duty plastic that are rust-resistant and lighter. Depending on your work environment, consider whether metal or plastic suits your needs better.
Fuel Cap and Venting
The fuel cap design is something I paid attention to because a proper seal prevents leaks and contamination. Also, venting is crucial to avoid pressure buildup or fuel starvation. I made sure the replacement tank had an appropriate vented cap or provisions for venting.
Ease of Installation
I wanted a gas tank that I could install myself without needing special tools or professional help. Tanks that come with pre-drilled mounting holes and clear instructions saved me a lot of time and hassle.
Price vs. Quality
While shopping, I found that OEM tanks tend to be more expensive but offer peace of mind in terms of fit and durability. Aftermarket options can be budget-friendly but sometimes compromise on quality. I balanced price with customer reviews to pick a tank that wouldn’t fail me early on.
Additional Features to Consider
Some tanks come with built-in fuel gauges or improved fuel filters. While not essential, these features can add convenience. I weighed whether these extras were worth the additional cost based on how I use my GX390 engine.
Where to Buy
I checked multiple sources including authorized Honda dealers, reputable online stores, and specialized engine parts suppliers. Buying from trusted sellers helped me avoid counterfeit or low-quality products.
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In summary, my buying experience taught me that taking the time to verify compatibility, material quality, and installation ease makes all the difference. With the right Honda GX390 gas tank, your engine will run reliably and efficiently every time.
Author Profile
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I’m Albert Spiller, the voice behind Ayujoy.com. My background blends communications, lifestyle writing, and years of hands-on product testing, but what drives me most is curiosity about the little things that make life smoother. Before starting this blog, I managed community wellness programs and wrote features for small-town magazines, where I learned how everyday items shape the way we live.
In 2025, I turned that experience into Ayujoy, a space where I share honest product reviews rooted in daily use rather than marketing hype. From home essentials to clever gadgets, I write with one goal in mind: to help readers feel confident about the choices they bring into their homes.
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