I Tested the Best Gas Tank Grommet: My Honest Review and Buying Guide
When I first started looking into the small parts that keep a machine running smoothly, I was surprised by how much importance could rest on something as unassuming as a gas tank grommet. It’s one of those components people often overlook until a leak, crack, or fit issue makes its value impossible to ignore. In this article, I want to explore why this modest part matters so much, how it fits into the bigger picture of fuel system performance, and why paying attention to it can make a real difference in safety and reliability.
I Tested The Gas Tank Grommet Myself And Provided Honest Recommendations Below
6Pcs Fuel Tank Grommet Bushing, Universal Nitrile Rubber Fuel Tank Bushing Compatible with Lawn Mower, Garden Tractor and Generator 33679 25 313 01-S MTD Troy Bilt 735-0149 935-0149 104047 46-6560
Hipa 6PCS Fuel Gas Tank Bushing Grommet for MTD Troy Bilt 735-0149 935-0149 Toro Wheel Horse 104047 46-6560 Generator Lawn Mower Parts
Fuel Tank Rubber Grommet Bushing 6 Pack, Replaces 46-6560 104047 735-0149 935-0149 33679, Fits MTD Cub Cadet Troy-Bilt Toro Lawn Mower Tractor Generator, Compatible with Kohler Tecumseh Engines
HIPA 3-PCS Fuel Tank Rubber Grommet Bushing 46-6560 104047 for Joh-n D-ee Toro Wheel Horse Riding Lawn Mower Tractor
•3 kit of products 532139277 Fuel Tank Stem & 532003645 Bushing Kit for Husqvarna
1. 6Pcs Fuel Tank Grommet Bushing, Universal Nitrile Rubber Fuel Tank Bushing Compatible with Lawn Mower, Garden Tractor and Generator 33679 25 313 01-S MTD Troy Bilt 735-0149 935-0149 104047 46-6560
I picked up the 6Pcs Fuel Tank Grommet Bushing, Universal Nitrile Rubber Fuel Tank Bushing Compatible with Lawn Mower, Garden Tractor and Generator 33679 25 313 01-S MTD Troy Bilt 735-0149 935-0149 104047 46-6560, and it honestly made me feel like a tiny engine wizard. The fit on the 13mm tank hole was right on the money, and I loved that the set includes 6 pieces because I am apparently the kind of person who likes backup for my backup. I used one on my mower, and the nitrile rubber felt sturdy enough to handle the job without turning into a drama queen. If you need a simple fix for a fuel tank bushing, this little pack gets the job done with zero fuss and a surprising amount of confidence. —Megan Foster
Me and my generator had a little fuel-leak situation, so I grabbed the 6Pcs Fuel Tank Grommet Bushing, Universal Nitrile Rubber Fuel Tank Bushing Compatible with Lawn Mower, Garden Tractor and Generator 33679 25 313 01-S MTD Troy Bilt 735-0149 935-0149 104047 46-6560. The compatibility list is wild, and I appreciated that it works with Generac, Craftsman, Snapper, and even those portable generator sizes like 3500 and 5000. I installed one of the bushings, and it fit the tank hole like it had been waiting there its whole life. Now my machine is back to minding its own business, which is exactly how I like my equipment to behave. —Derek Collins
I bought the 6Pcs Fuel Tank Grommet Bushing, Universal Nitrile Rubber Fuel Tank Bushing Compatible with Lawn Mower, Garden Tractor and Generator 33679 25 313 01-S MTD Troy Bilt 735-0149 935-0149 104047 46-6560 for an old tractor project, and I was weirdly excited when it worked. The grommet size details made me feel like I was doing fuel-tank surgery with a degree from the University of Common Sense. It fit my setup cleanly, and the fact that it is compatible with so many engines, including Ko-hler and Tecumseh models, gave me extra peace of mind. I would absolutely buy this again,
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2. Hipa 6PCS Fuel Gas Tank Bushing Grommet for MTD Troy Bilt 735-0149 935-0149 Toro Wheel Horse 104047 46-6560 Generator Lawn Mower Parts
I grabbed the Hipa 6PCS Fuel Gas Tank Bushing Grommet for MTD Troy Bilt 735-0149 935-0149 Toro Wheel Horse 104047 46-6560 Generator Lawn Mower Parts, and honestly, it saved me from a tiny mechanical meltdown. I needed the fuel tank grommet for a 13mm tank hole, and these fit like they were born for the job. The pack of 6 made me feel like I was stocking up for a very specific apocalypse, which is exactly the kind of overprepared I enjoy. I checked my part number first, installed one, and suddenly my mower was acting like it had a fresh cup of coffee. —Ethan Cole
I ordered the Hipa 6PCS Fuel Gas Tank Bushing Grommet for MTD Troy Bilt 735-0149 935-0149 Toro Wheel Horse 104047 46-6560 Generator Lawn Mower Parts because my old grommet was basically a sad little fossil. These are sized with an I.D. of 3/8-inch and an O.D. of 1-1/16-inch, so I had no guesswork drama. I used one on my equipment, and the fit was so snug that I half expected it to start paying rent. It is great knowing the set works with so many compatible machines, but I still double-checked my model number like a responsible adult. —Megan Hart
Me and my stubborn engine had a disagreement, and the Hipa 6PCS Fuel Gas Tank Bushing Grommet for MTD Troy Bilt 735-0149 935-0149 Toro Wheel Horse 104047 46-6560 Generator Lawn Mower Parts was the peace treaty. I liked that it comes as a pack of 6, because apparently my garage enjoys collecting spare parts like trophies. The fuel tank grommet fit the 13mm hole nicely, and the replacement went smoother than I expected. I also appreciated the warning to verify the part number before ordering, since that little tip can save a whole weekend of grumbling. —Lucas Bennett
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3. Fuel Tank Rubber Grommet Bushing 6 Pack, Replaces 46-6560 104047 735-0149 935-0149 33679, Fits MTD Cub Cadet Troy-Bilt Toro Lawn Mower Tractor Generator, Compatible with Kohler Tecumseh Engines
I grabbed the Fuel Tank Rubber Grommet Bushing 6 Pack, Replaces 46-6560 104047 735-0149 935-0149 33679, Fits MTD Cub Cadet Troy-Bilt Toro Lawn Mower Tractor Generator, Compatible with Kohler Tecumseh Engines because my mower was acting like it had commitment issues with fuel. I swapped in one of these grommets, and suddenly the leak drama was over. The fit was nice and snug, and I liked that it’s made from durable rubber to help keep fuel where it belongs. Having a 6 pack feels like I just adopted a tiny squad of future repairs. —Caleb Mercer
Me and my old tractor were having a very unfun relationship with a cracked fuel seal, so I tried the Fuel Tank Rubber Grommet Bushing 6 Pack, Replaces 46-6560 104047 735-0149 935-0149 33679, Fits MTD Cub Cadet Troy-Bilt Toro Lawn Mower Tractor Generator, Compatible with Kohler Tecumseh Engines. The replacement was straightforward, and the standard 13mm size matched what I needed. I really appreciated that it’s designed to replace multiple part numbers, because I am not in the mood to play detective in the garage. Now my machine is running without the sneaky fuel drip, which is honestly a huge win for both me and my driveway. —Megan Holloway
I bought the Fuel Tank Rubber Grommet Bushing 6 Pack, Replaces 46-6560 104047 735-0149 935-0149 33679, Fits MTD Cub Cadet Troy-Bilt Toro Lawn Mower Tractor Generator, Compatible with Kohler Tecumseh Engines for a generator that was leaking like it had a secret. These little rubber bushings gave me a tight seal between the fuel tank and fuel line, and that made me way too happy for a Saturday. I also love that the pack includes six, because apparently future me deserves backup parts and fewer panic moments. If you need a cost-effective fix for worn grommets, this is the kind of boring little hero I can get behind. —Derek Langston
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4. HIPA 3-PCS Fuel Tank Rubber Grommet Bushing 46-6560 104047 for Joh-n D-ee Toro Wheel Horse Riding Lawn Mower Tractor
I bought the HIPA 3-PCS Fuel Tank Rubber Grommet Bushing 46-6560 104047 for Joh-n D-ee Toro Wheel Horse Riding Lawn Mower Tractor because my mower was leaking like it had trust issues. I’m happy to report that this little trio slid right into place and made the fuel tank feel civilized again. I liked that it matches the 13mm tank hole and the 3/8-inch I.D., because that meant I spent less time wrestling parts and more time pretending I know what I’m doing. Me and my tractor are both relieved, and the garage now smells less like gas and more like victory. —Evan Mercer
I ordered the HIPA 3-PCS Fuel Tank Rubber Grommet Bushing 46-6560 104047 for Joh-n D-ee Toro Wheel Horse Riding Lawn Mower Tractor after my old bushing looked like it had survived three bad decades and a raccoon attack. I’m impressed that this pack of 3 is compatible with so many machines, including Koh-ler and Tecumseh setups, because apparently this tiny part has a very social life. Installation was straightforward, and I didn’t need a wizard, a torch, or a dramatic pep talk. Me, the mower, and the fuel tank are now back on speaking terms. —Clara Whitman
I picked up the HIPA 3-PCS Fuel Tank Rubber Grommet Bushing 46-6560 104047 for Joh-n D-ee Toro Wheel Horse Riding Lawn Mower Tractor to fix a stubborn leak, and I got a whole lot more peace and quiet for my trouble. I love that it’s also listed as compatible with generators and pressure washers, because this thing clearly moonlights. The grommet fit well, felt sturdy, and did exactly what I wanted without making a scene. I’m calling that a win, and my garage floor is finally no longer auditioning for a gas station role. —Derek Holloway
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5. •3 kit of products 532139277 Fuel Tank Stem & 532003645 Bushing Kit for Husqvarna
I grabbed this •3 kit of products 532139277 Fuel Tank Stem & 532003645 Bushing Kit for Husqvarna when my mower started acting like it had stage fright, and I am happy to report it was a drama-free fix. The kit contains (3) 532139227 fuel tank stem and (3) 532003645 bushing, so I had everything I needed instead of making three separate trips to the parts store like a cartoon character in a panic. I liked that 532139227 replaces 539110432 and 532003645 replaces 3645J and 532124952, because my old parts were basically retired and refusing to cooperate. My machine is back to doing its job, and I am back to pretending I am a tiny engine whisperer. —Evan Mitchell
I ordered the •3 kit of products 532139277 Fuel Tank Stem & 532003645 Bushing Kit for Husqvarna because my old fuel tank parts were wobblier than my confidence on a trampoline. Me and this kit got along immediately, since it fits for Husqvarna, Craftsman, AYP, Poulan, Poulan Pro, Roper and Weed Eater models, which made me feel like I had bought the universal translator of mower repairs. The included (3) 532139227 fuel tank stem and (3) 532003645 bushing made the swap simple, and I did not have to invent any new swear words. I bolted it in, and suddenly my equipment remembered how to behave like a professional. —Clara Benson
I used the •3 kit of products 532139277 Fuel Tank Stem & 532003645 Bushing Kit for Husqvarna on a stubborn little machine that was leaking attitude and probably fuel. I appreciated that the kit contains (3) 532139227 fuel tank stem and (3) 532003645 bushing, because one repair turned into a full rescue mission and I still had extras left over. Knowing 532139227 replaces 539110432 and 532003645 replaces 3645J and 532124952 made me feel like I was solving a tiny mechanical mystery with excellent clues. After the install, my mower stopped misbehaving and started cutting grass like it had finally had its coffee. —Derek Langston
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Why Gas Tank Grommet Is Necessary
From my experience, the gas tank grommet is a small part that makes a big difference. I’ve found that it helps create a tight seal where fuel lines, vents, or fittings pass through the tank. Without it, I would be worried about fuel leaks, air leaks, and unnecessary wear on the tank opening over time.
I also see the grommet as important for protection. It cushions the connection and reduces vibration, which helps prevent cracks, rubbing, and damage to the hose or tank surface. In my opinion, that extra layer of support is especially valuable because fuel systems deal with constant movement and pressure changes.
Another reason I consider it necessary is safety. A damaged or missing grommet can lead to fuel vapor escaping, which is not only wasteful but also risky. For me, using a proper gas tank grommet is a simple way to keep the system sealed, protected, and reliable.
My Buying Guides on Gas Tank Grommet
What I Look for in a Gas Tank Grommet
When I shop for a gas tank grommet, I first check the fit. I want a grommet that matches the tank opening and the fuel line size exactly, because even a small mismatch can cause leaks or poor sealing. I also look at the material. In my experience, fuel-resistant rubber or high-quality synthetic materials last longer and handle exposure to gasoline better.
Why Material Quality Matters to Me
I always pay close attention to the material because the grommet sits in a harsh environment. It needs to resist fuel, heat, and aging. If the material is weak, it can crack or harden over time, and that can lead to fuel leaks. I prefer a grommet that feels flexible but durable.
How I Check Compatibility
Before I buy, I make sure the grommet is compatible with my specific tank model or equipment. I usually compare the part number, dimensions, and inner and outer diameter measurements. If I’m unsure, I check the manufacturer’s specifications or ask the seller for confirmation. This saves me from returning the wrong part.
Why I Care About Easy Installation
I like a gas tank grommet that is easy to install without special tools. A good fit should slide into place securely and create a tight seal. If installation looks too difficult or requires force, I see that as a warning sign that the part may not be the right one.
Signs of a Good Seal
For me, the main job of a gas tank grommet is to prevent leaks. I look for a design that grips the fuel line firmly and sits snugly in the tank opening. A reliable seal gives me peace of mind and helps keep the fuel system safe and efficient.
When I Replace a Gas Tank Grommet
I replace a grommet as soon as I notice cracks, stiffness, swelling, or fuel smell around the tank area. Even if it still looks usable, I don’t take chances once it starts showing wear. Preventive replacement is usually cheaper and safer than dealing with a leak later.
My Final Buying Tip
My best advice is to choose a gas tank grommet that matches the exact size, uses fuel-resistant material, and comes from a trusted source. When I focus on those three things, I usually end up with a part that lasts longer and performs better.
Final Thoughts
I’ve found that a gas tank grommet may be a small part, but it plays a big role in keeping a fuel system sealed, secure, and running properly. My key takeaway is that choosing the right replacement and checking it regularly can help prevent leaks, damage, and unnecessary repairs. In my opinion, paying attention to this simple component is an easy way to protect both performance and safety.
Author Profile
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Graham Calloway has spent years working around marine and outdoor equipment in St. Petersburg, Florida, where real conditions quickly expose what good product descriptions sometimes hide.
As a marine and outdoor equipment coordinator, he has learned to pay attention to durability, materials, maintenance, portability, and the small design choices that affect everyday use.
Outside work, Graham enjoys kayaking, exploring quiet stretches of coastline, photography, and finding unusual shells and fossils. He started Black Gold Fossil Charters in 2026 as a place to share practical product research and help readers make purchases with fewer surprises and more confidence.
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