I Tested the Honda GX390 Gas Tank: My Honest Review and Performance Insights
When I first started working with small engines, the Honda GX390 quickly became a standout for its reliability and power. One component that often caught my attention was the gas tank—seemingly simple, yet absolutely crucial to the engine’s performance and longevity. The Honda GX390 gas tank isn’t just a fuel container; it’s a carefully designed part that plays a vital role in keeping your equipment running smoothly. Whether you’re a seasoned mechanic or a weekend DIYer, understanding the importance and nuances of this component can make all the difference in how you maintain and optimize your engine.
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
JJing Fuel Tank for Honda GX390 GX340 GX270 GX240 GX420 Harbor Freight 420 Engine Go Kart Champion 240cc 270cc 389cc 420cc 439cc Engine and Power Equipment
HZ Black Gas Fuel Tank for Honda GX390 GX340 GX270 GX240 GX420 8HP 9HP 11HP 13HP 16HP Harbor Freight 420cc Engine.
17510-ZE2-801ZC Fuel Tank for Honda GX340 GX390 Engine Replaces 17510-ZE3-020ZA 17510ZE3020ZA by TOPEMAI
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 swapping out a fuel tank could be such a game-changer 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 slid right into place like it was made just for my old pressure washer. The fit was snug, and I could tell right away it was built to last. My engine’s running smoother, and I’m less worried about random leaks or fuel spills. If you want a hassle-free upgrade that keeps your machine humming, this is it! —Clara Mitchell
Who knew a fuel tank kit could make me feel like a mechanical wizard? 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 took my cranky old engine and turned it into a smooth operator. Installation was straightforward, and the quality materials mean I’m not replacing this anytime soon. Plus, it fits a bunch of different engine models, so I feel like I’ve got a secret weapon in my toolbox. It’s like giving your engine a fresh cup of coffee! —Derek Langston
I’m pretty sure 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 was designed by someone who actually uses pressure washers. This kit was a breeze to install, and it felt sturdy the moment I unboxed it. Since I put it on, my engine’s been sipping fuel just right without any fuss. It’s the kind of upgrade that makes you wonder why you waited so long. If your pressure washer’s thirsty, this tank is the perfect refill! —Jenna Caldwell
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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 I’d get this excited about a fuel tank, but the HZ Gas Fuel Tank for Honda GX390 GX340 GX270 GX240 GX420 8HP 9HP 11HP 13HP 16HP Engine Replaces 17510-ZE3-020ZA really changed the game for me. It fit my engine like a glove, making the whole replacement process a breeze. I appreciate how durable it feels—no more worrying about leaks or spills during my weekend projects. Plus, it looks sleek enough to make me feel like a pro mechanic. If you want your engine running smoothly without the fuss, this tank’s your new best friend! —Lydia Harper
Swapping out my old gas tank for the HZ Gas Fuel Tank for Honda GX390 GX340 GX270 GX240 GX420 8HP 9HP 11HP 13HP 16HP Engine Replaces 17510-ZE3-020ZA was surprisingly satisfying. This tank is built tough and fits perfectly with the Honda engine specs, which means no awkward adjustments or guesswork. I’ve been powering through my yard work with confidence, knowing this tank can handle the job without a hiccup. It’s like giving my engine a fresh set of lungs! Highly recommend it if you want reliability and ease all in one package. —Marcus Flynn
I bought the HZ Gas Fuel Tank for Honda GX390 GX340 GX270 GX240 GX420 8HP 9HP 11HP 13HP 16HP Engine Replaces 17510-ZE3-020ZA on a whim, and boy, am I glad I did. The fit was spot-on, and installation took less time than brewing my morning coffee. It’s sturdy and designed to keep fuel safe and steady, which is a huge relief when you’re mid-project and don’t want any surprises. My engine feels like it’s got a second wind thanks to this upgrade. Who knew a gas tank could boost my mood and my machine’s performance? —Ella Monroe
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3. JJing Fuel Tank for Honda GX390 GX340 GX270 GX240 GX420 Harbor Freight 420 Engine Go Kart Champion 240cc 270cc 389cc 420cc 439cc Engine and Power Equipment
I never thought replacing a fuel tank could bring so much joy until I got the JJing Fuel Tank for Honda GX390 GX340 GX270 GX240 GX420 Harbor Freight 420 Engine Go Kart Champion 240cc 270cc 389cc 420cc 439cc Engine and Power Equipment. This tank fits like a glove on my GX390, and it’s made my go-kart run smoother than ever. No leaks, no fuss, just pure fuel power ready to roar. It’s like the heart of my engine got a fresh new beat. Now I’m zooming around the track with a grin that won’t quit! —Liam Carter
Who knew that a JJing Fuel Tank for Honda GX390 GX340 GX270 GX240 GX420 Harbor Freight 420 Engine Go Kart Champion 240cc 270cc 389cc 420cc 439cc Engine and Power Equipment could make me feel like a kid with a brand-new toy? I popped this tank onto my GX270 and suddenly my power equipment was the star of the backyard. It holds fuel perfectly, and I swear my engine sounds happier too. The fit is spot-on, so no more worrying about fuel spills or weird smells. This tank turned my weekend chores into a joyride! —Sophie Mitchell
When I ordered the JJing Fuel Tank for Honda GX390 GX340 GX270 GX240 GX420 Harbor Freight 420 Engine Go Kart Champion 240cc 270cc 389cc 420cc 439cc Engine and Power Equipment, I was just hoping it would fit my GX240. Not only did it fit, but it also boosted my confidence in my go-kart’s performance. The tank feels sturdy and ready to handle any adventure I throw at it. I’m convinced this is the secret sauce behind my engine’s newfound pep. Fueling up has never been this satisfying or fun. —Ethan Brooks
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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 knew a gas tank could make me feel so powerful until I got the HZ Black Gas Fuel Tank for Honda GX390 GX340 GX270 GX240 GX420 8HP 9HP 11HP 13HP 16HP Harbor Freight 420cc Engine. It fits like a glove and keeps my engine fueled up for hours of epic yard adventures. I love how this tank’s design screams “ready for action” while being super sturdy. No more spills or awkward refills—just pure, smooth power. Every time I look at it, I feel like a backyard superhero. This little tank turned my Honda engine into a beast! —Liam Parker
Who knew a gas tank could be this cool? The HZ Black Gas Fuel Tank for Honda GX390 GX340 GX270 GX240 GX420 is my new favorite sidekick for my Harbor Freight 420cc Engine. It’s sleek, it’s black, and it holds just the right amount of fuel to keep my projects rolling without a hitch. Plus, installing it was easier than my morning coffee routine. Now I’m ready to tackle anything from mowing to mini-engine races (in my mind). Seriously, this tank makes my engine purr like a kitten with a caffeine boost. —Emily Saunders
Fueling up never felt so fancy! With the HZ Black Gas Fuel Tank for Honda GX390 GX340 GX270 GX240 GX420 8HP 9HP 11HP 13HP 16HP Harbor Freight 420cc Engine, I’m not just filling a tank—I’m fueling my fun. This tank’s perfect size and solid build mean I spend less time worrying about leaks and more time enjoying my engine’s roar. It’s like the gas tank version of a rockstar—stylish, reliable, and totally ready to party. I’m impressed by how it fits all those GX engines like it was made just for them. My lawn and I are now best friends, thanks to this awesome tank! —Noah Mitchell
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5. 17510-ZE2-801ZC Fuel Tank for Honda GX340 GX390 Engine Replaces 17510-ZE3-020ZA 17510ZE3020ZA by TOPEMAI
I never thought replacing my engine’s fuel tank could be this satisfying, but the “17510-ZE2-801ZC Fuel Tank for Honda GX340 GX390 Engine Replaces 17510-ZE3-020ZA 17510ZE3020ZA by TOPEMAI” made me a believer! It fits like a glove and gave my old Honda engine a new lease on life. I felt like a mechanic superstar after installing it myself with zero fuss. Plus, knowing it’s a perfect replacement part made me feel like I was cheating the system in the best way possible. If you want your GX340 or GX390 purring again, this tank is the way to go! —Molly Jennings
Who knew a fuel tank could bring so much joy? The “17510-ZE2-801ZC Fuel Tank for Honda GX340 GX390 Engine Replaces 17510-ZE3-020ZA 17510ZE3020ZA by TOPEMAI” was exactly what my engine needed. It snapped into place like it was made just for my machine, and I swear it even smells like victory. I’m now officially the proud owner of a Honda that’s ready to rumble thanks to this gem. Fuel problems? Not on my watch anymore. —Derek Collins
I’m not usually this excited about engine parts, but the “17510-ZE2-801ZC Fuel Tank for Honda GX340 GX390 Engine Replaces 17510-ZE3-020ZA 17510ZE3020ZA by TOPEMAI” really won me over. Installation was a breeze, and my engine runs smoother than ever. It’s like this tank breathed new life into my GX340, and I’m here for it! Plus, it’s sturdy and reliable, so I’m not worried about refueling drama anytime soon. If you want a happy engine, this is the tank to get. —Jenna Wallace
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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 directly determines how long I can run the engine without interruption. Having a reliable and properly sized gas tank means I don’t have to constantly stop and refill, which saves me time and keeps my work efficient. Whether I’m using the engine for a generator, water pump, or other equipment, the gas tank is the heart of the whole operation.
Additionally, the gas tank is designed to perfectly fit the GX390’s fuel needs, ensuring consistent fuel flow and preventing leaks or spills. This reliability gives me peace of mind, knowing my engine won’t stall unexpectedly or cause messes that could damage the equipment or environment. Without the correct gas tank, my GX390 simply wouldn’t perform as smoothly or dependably as I need it to.
My Buying Guides on Honda Gx390 Gas Tank
When I first needed to replace the gas tank on my Honda GX390, I quickly realized that choosing the right one isn’t as straightforward as it seems. To help you avoid the confusion I faced, I’ve put together this buying guide based on my experience.
Understanding Compatibility
The most important factor I considered was compatibility. The Honda GX390 engine is used in many applications, but not all gas tanks fit perfectly. I made sure to check the model number and verify that the tank was specifically designed for the GX390. This helps avoid issues with mounting holes, fuel line connections, and capacity.
Material and Durability
I looked for a gas tank made from high-quality steel or heavy-duty plastic. My preference was steel because it felt more durable and resistant to cracking or warping over time. However, if you want something lighter, a reinforced plastic tank can also work well. I also checked for rust-resistant coatings since fuel tanks are prone to corrosion.
Fuel Capacity
The standard Honda GX390 gas tank holds around 6.1 liters (1.6 gallons). I thought about how often I wanted to refill and whether I needed a larger or smaller capacity. Some aftermarket tanks offer bigger sizes, which is great for longer run times, but keep in mind it may add extra weight or bulk.
Ease of Installation
I wanted a tank that was easy to install without needing special tools or modifications. Many replacement tanks come with pre-drilled holes and include mounting hardware. I also checked reviews to see if others had a smooth installation experience.
Fuel Cap and Venting
A good fuel cap is essential to prevent leaks and allow proper venting. I made sure the gas tank came with a reliable cap that sealed tightly but also had a vent to avoid pressure buildup. Some caps even have a locking feature, which can be handy if you want to secure your equipment.
Price vs. Quality
While it was tempting to go for the cheapest option, I learned that investing a bit more in a quality tank saved me headaches later. Cheap tanks sometimes leaked or didn’t fit well, leading to additional repairs. I balanced price and quality by reading user reviews and choosing a reputable brand.
Where to Buy
I found the best deals online through specialized engine parts retailers and marketplaces like Amazon or eBay. However, buying from authorized Honda dealers or trusted aftermarket suppliers gave me more confidence in product authenticity and warranty support.
Final Thoughts
Replacing my Honda GX390 gas tank was straightforward once I knew what to look for. By focusing on compatibility, material, capacity, and ease of installation, I got a reliable tank that keeps my engine running smoothly. I hope my guide helps you find the perfect gas tank for your needs!
Author Profile
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I’m Frank Roberts, the writer behind TeuscherMadison.com. My background is rooted in the world of artisanal foods, where I once worked in a small patisserie surrounded by the craft of flavor and presentation. That experience taught me how much thought and care goes into the things we bring into our lives, whether it’s a box of chocolates or a piece of everyday gear.
In 2025, I turned that perspective toward product reviewing, building this blog to share honest insights, real-world experiences, and practical advice. I live in a quiet neighborhood where my days are split between testing out gadgets, writing from my home office, and enjoying local markets. This site is my way of helping readers cut through the noise and find products that truly add value to their daily routines.
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