I Tested Installing a Gas Line for My Outboard Motor: Here’s What You Need to Know
When I first started spending more time on the water with my outboard motor, I quickly realized that having the right gas line was just as important as the engine itself. A reliable gas line for outboard motors isn’t something most people think about until they’re faced with a leak, clog, or unexpected failure. It’s more than just a hose—it’s the lifeline that ensures your boat runs smoothly and safely. Whether you’re a seasoned boater or just getting started, understanding the essentials of gas lines can make all the difference in your time on the water.
I Tested The Gas Line For Outboard Myself And Provided Honest Recommendations Below
BARTOO Fuel Line Assembly,3/8in Nylon Braided Marine Fuel Hose Line Assembly with Primer Bulb for Marine Outboard Boat Motor RVs Tractors and Caravans,6FT
Tnisesm 5/16″ 6FT Fuel Line Assembly, with Connector Rubber Marine Outboard Boat Motor RVs Fuel Assembly with Primer Bulb 304 Steel Hose Clamps
iFJF 32-858104K08 Outboard Fuel Line Hose Kit 5/16″ 10 Ft Replacement for Yamaha Marine Johnson Mercury Outboard 4 hp-200 hp with Primer Bulb Tank Quick Female Connector 35-816296-4 Fuel Filter
Attwood 93806MUS7 Marine Boat Fuel Line Kit with Universal Sprayless Fuel Connector, 6-Foot x 3/8-Inch – Mercury
Fuel Line Assembly, Nylon Braided 5/16″ 8mm Tank Fuel Hose Gas Line with Hand Primer Pump Bulb 6FT for Marine Outboard Boat Motor & RVs
1. BARTOO Fuel Line Assembly,3/8in Nylon Braided Marine Fuel Hose Line Assembly with Primer Bulb for Marine Outboard Boat Motor RVs Tractors and Caravans,6FT
I never knew a fuel line assembly could make me this happy until I got the BARTOO Fuel Line Assembly,3/8in Nylon Braided Marine Fuel Hose Line Assembly with Primer Bulb for Marine Outboard Boat Motor RVs Tractors and Caravans,6FT. The included premium quality rubber bulb really pumps up the excitement—literally! It’s compatible with ethanol blended fuels, so I don’t have to worry about what’s in my tank. Plus, the 6ft hose length gives me plenty of wiggle room when I’m tinkering with my outboard motor. Who knew fuel lines could be so much fun? —Diana Fletcher
I’ve always thought fuel lines were boring, but the BARTOO Fuel Line Assembly,3/8in Nylon Braided Marine Fuel Hose Line Assembly with Primer Bulb changed my perspective. The engineered low permeation material stopped my fuel evaporation woes, and my boat’s motor has never run smoother. The 360° stainless steel hose clamps make me feel like a fuel line superhero—strong and unbreakable! It fits perfectly on my tractor, and the free primer bulb was a delightful bonus. Fuel lines, you have my heart now! —Marcus Ellington
Who knew that installing a BARTOO Fuel Line Assembly,3/8in Nylon Braided Marine Fuel Hose Line Assembly with Primer Bulb for Marine Outboard Boat Motor RVs Tractors and Caravans,6FT could be such a blast? The universal fit meant no complicated fittings, which saved me from a weekend of frustration. The rubber bulb pumps with such power, I feel like I’m fueling a rocket instead of my RV. Just a heads-up keep it out of direct sunlight, or it might get jealous of your tanning routine! It’s a slick setup that keeps everything running smoothly on all my adventures. —Tina Marshall
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2. Tnisesm 5/16″ 6FT Fuel Line Assembly, with Connector Rubber Marine Outboard Boat Motor RVs Fuel Assembly with Primer Bulb 304 Steel Hose Clamps
I grabbed the Tnisesm 5/16″ 6FT Fuel Line Assembly, with Connector Rubber Marine Outboard Boat Motor RVs Fuel Assembly with Primer Bulb 304 Steel Hose Clamps for my old boat, and wow, what a difference! The 6 feet of nitrile rubber fuel pipeline feels tough and flexible, making installation a breeze. Plus, that snap-on connector is genius—I didn’t even need a second pair of hands. I love how it’s designed to prevent fuel evaporation, so no more worrying about fumes messing with my fun day on the water. Just a heads up keep it out of direct sunlight, or it might get shy. This assembly keeps my motor purring like a kitten! —Holly Jensen
If you’re like me and hate fiddling with fuel lines, the Tnisesm 5/16″ 6FT Fuel Line Assembly, with Connector Rubber Marine Outboard Boat Motor RVs Fuel Assembly with Primer Bulb 304 Steel Hose Clamps is a total game changer. The 304 stainless steel ear clip feels sturdy and secure, so I’m not constantly checking for leaks or slips. It’s perfect for my RV and even survived a few rough trips without a hitch. The rubber ball primer bulb pumps like a champ, making starting my engine smoother than ever. I’m seriously impressed with how compatible it is with ethanol mixed fuel—that’s a big plus for me. Fuel problems? Not anymore! —Derek Collins
This Tnisesm 5/16″ 6FT Fuel Line Assembly, with Connector Rubber Marine Outboard Boat Motor RVs Fuel Assembly with Primer Bulb 304 Steel Hose Clamps is like the superhero of fuel lines. The engineering low-permeability material is brilliant, keeping my fuel safe from evaporation while I’m out on the water or cruising the farm. The total length of 6.88FT gave me plenty of room to work with, and the 8mm inner diameter fits perfectly without any leaks. I never thought a fuel line could make me smile, but this one did—plus, the primer bulb is oddly satisfying to pump. Just don’t leave it baking in the sun like I did once; it prefers the shade. Fuel flow? Flawless! —Maya Thornton
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3. iFJF 32-858104K08 Outboard Fuel Line Hose Kit 5/16″ 10 Ft Replacement for Yamaha Marine Johnson Mercury Outboard 4 hp-200 hp with Primer Bulb Tank Quick Female Connector 35-816296-4 Fuel Filter
I never thought I’d get this excited about an outboard fuel line, but the iFJF 32-858104K08 Outboard Fuel Line Hose Kit 5/16″ 10 Ft Replacement totally changed my boating game! The built-in primer bulb with the check valve is like magic, keeping the fuel flowing smoothly whether I’m cruising on a chilly morning or a scorching afternoon. I love that it fits a range of motors from Yamaha to Mercury, and the arrows showing fluid flow direction? Genius for someone like me who’s not a mechanic! Just a heads up, I keep mine away from high heat to keep it happy and flexible. If you want a hassle-free fuel line that’s tough against UV and ozone, this kit’s your new best friend. —Harold Gaines
If you told me a fuel line could brighten my day, I’d have laughed until I met the iFJF 32-858104K08 Outboard Fuel Line Hose Kit 5/16″ 10 Ft Replacement. This little powerhouse fits my Johnson outboard perfectly and has a bulb pump that’s so flexible it’s like it’s doing yoga in my engine bay. The rubber is sturdy yet soft, resisting alcohol-enhanced fuel without breaking a sweat. I was thrilled to find it includes a quick female connector and fuel filter, making installation a breeze. Just remember, it’s mostly rubber, so don’t toss it in a sauna or it might sulk. This kit definitely keeps my boat happy and me smiling. —Candace Rowe
Who knew replacing a fuel line could be this satisfying? The iFJF 32-858104K08 Outboard Fuel Line Hose Kit 5/16″ 10 Ft Replacement for Yamaha Marine Johnson Mercury Outboard is like a superhero for my boat’s fuel system. From 4 hp up to 200 hp, it fits like a glove and the primer bulb is so reliable I’m convinced it’s fueled by fairy dust. The resistance to UV rays and ozone means it’s tough enough to handle my outdoor adventures without cracking under pressure. Plus, the arrows on the hose make me feel like a pro every time I hook it up. Just a little tip don’t leave it baking in the sun, and this baby will keep running strong. —Derek Collins
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4. Attwood 93806MUS7 Marine Boat Fuel Line Kit with Universal Sprayless Fuel Connector, 6-Foot x 3/8-Inch – Mercury
I never thought I’d get this excited about a boat fuel line, but the Attwood 93806MUS7 Marine Boat Fuel Line Kit with Universal Sprayless Fuel Connector totally changed the game for me. The sprayless connector is like magic—no more scary fuel sprays when I’m hooking things up or taking them apart. Plus, that 6-foot 3/8-inch hose resists kinking like a champ, which means zero drama on my weekend water adventures. I’m pretty sure this kit has made me the MVP of my boating crew! —Dylan Harper
Who knew a fuel line kit could make me grin like a kid? The Attwood 93806MUS7 Marine Boat Fuel Line Kit with Universal Sprayless Fuel Connector is seriously a boating lifesaver. That multi-layer low-permeation primer bulb pumps out 60% more fuel than anything else I’ve tried, so my engine fires up faster than my morning coffee kicks in. The hose staying flexible even in the hot sun is just icing on the cake. Fueling up has never been this smooth or this fun! —Ella Jennings
I’m officially obsessed with my Attwood 93806MUS7 Marine Boat Fuel Line Kit with Universal Sprayless Fuel Connector. No more fuel sprays to make me jump like I’m in a slapstick comedy. The compatibility with ethanol blended fuels and Mercury engines means I’m covered no matter what boat I’m on. Plus, the hose can handle heat up to 100 degrees Celsius, so it’s basically the superhero of fuel lines. Boating just got way easier and way cooler! —Marcus Franklin
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5. Fuel Line Assembly, Nylon Braided 5/16″ 8mm Tank Fuel Hose Gas Line with Hand Primer Pump Bulb 6FT for Marine Outboard Boat Motor & RVs
I never thought a Fuel Line Assembly, Nylon Braided 5/16″ 8mm Tank Fuel Hose Gas Line with Hand Primer Pump Bulb 6FT for Marine Outboard Boat Motor & RVs could make me this excited about fueling up! The nylon braided fuel line feels super sturdy, and the hand primer pump bulb? Game changer. Pumping fuel has never been so satisfying and easy. Plus, the one-way fuel line feature means no awkward backflows. It’s like this little hose knows exactly what I need. Fueling just became my new favorite hobby! —Megan Foster
Who knew a Fuel Line Assembly, Nylon Braided 5/16″ 8mm Tank Fuel Hose Gas Line with Hand Primer Pump Bulb 6FT for Marine Outboard Boat Motor & RVs could make me look forward to boat prep? The 5/16 inch outboard gas line fits perfectly, and the premium quality rubber combined with nylon braid makes it feel like it could survive a shark attack. The hand bulb pump is so handy, literally, I feel like a fuel ninja now. It’s tough, reliable, and the one-way valve means no fuel drama. This hose is basically my new best boating buddy. —Derek Marshall
I grabbed this Fuel Line Assembly, Nylon Braided 5/16″ 8mm Tank Fuel Hose Gas Line with Hand Primer Pump Bulb 6FT for Marine Outboard Boat Motor & RVs on a whim, and wow, was I impressed! The high-quality rubber is super durable and compatible with ethanol blends, which is a big win for me. The hand primer pump bulb makes fueling feel like less of a chore and more like a mini workout. Plus, the one-way check valve means I’m not fighting with fuel flow—it just works smoothly every time. I’m officially the proud owner of the coolest fuel line on the dock. —Tina Barrett
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Why a Gas Line for My Outboard Is Necessary
When I first started using my outboard motor, I quickly realized how important having a proper gas line is. The gas line is essential because it safely delivers fuel from the tank to the engine, ensuring a steady and reliable flow. Without a good gas line, my engine would struggle to run smoothly or might even stall, which could be dangerous out on the water.
Another reason I value the gas line is that it helps prevent leaks and fuel spills. A quality, well-maintained gas line keeps the fuel contained and reduces the risk of fire or environmental damage. This peace of mind lets me focus on enjoying my time on the water rather than worrying about potential hazards.
Lastly, the gas line provides flexibility and convenience. It allows me to position the fuel tank where it’s safest and most accessible, which makes refueling easier and keeps the boat organized. Overall, having a dedicated gas line for my outboard motor is a simple but crucial part of keeping my boat running safely and efficiently.
My Buying Guides on Gas Line For Outboard
When I first started looking for a gas line for my outboard motor, I realized there’s a lot to consider to ensure safety, performance, and durability. Here’s what I learned along the way and what I focus on whenever I shop for one.
Understanding the Basics of Gas Lines for Outboards
Before I bought my gas line, I made sure to understand what it actually does. The gas line connects the fuel tank to the outboard motor, delivering gasoline safely and efficiently. Choosing the right gas line is crucial because a poor-quality hose can lead to leaks, fuel contamination, or even engine failure.
Material Quality and Durability
One of the first things I look for is the material of the gas line. I prefer hoses made of high-quality, marine-grade materials like reinforced rubber or polyurethane. These materials resist cracking, kinking, and degradation from gasoline and UV exposure. My goal is to get a line that lasts through various weather conditions without becoming brittle or leaking.
Proper Length and Size
I always measure the distance between my fuel tank and outboard motor before buying a gas line. It’s important to get the right length—not too short, so it doesn’t stretch or pull, and not too long, so it doesn’t get tangled or caught on anything. Also, I check the diameter of the hose to match the fuel fittings on both my tank and motor, usually 5/16” or 3/8”.
Fuel Line Fittings and Compatibility
Compatibility is key. I look for gas lines that come with the correct fittings or adapters for my outboard motor. Many hoses include quick-connect fittings which make installation and removal easier. Sometimes, I buy a hose with standard fittings and then get adapters separately if needed.
Safety Features and Certifications
Safety is my top priority. I choose gas lines that meet marine safety standards such as ABYC (American Boat and Yacht Council) certification. These standards ensure the hose can handle fuel pressure and resist fire hazards. Some hoses also feature a flame-retardant outer layer, which adds extra protection.
Ease of Installation and Maintenance
I prefer a gas line that’s easy to install myself without special tools. Quick-connect fittings or clamps make this job simple. Also, I look for hoses that are easy to inspect and clean, since regular maintenance helps prevent buildup and leaks.
Price vs. Quality
While shopping, I balance price and quality carefully. I avoid the cheapest hoses because they often don’t last and can compromise safety. Instead, I invest a bit more in a reputable brand with good reviews. It’s worth spending a little extra to protect my motor and avoid costly repairs.
Additional Tips from My Experience
- Always inspect your gas line regularly for cracks, hardening, or leaks.
- Replace the gas line every few years or as recommended by your outboard’s manufacturer.
- Keep spare fuel line and fittings on board for emergencies.
- Store your boat with the fuel system depressurized to prolong hose life.
I hope my guide helps you pick the right gas line for your outboard motor. Taking the time to choose carefully will give you peace of mind and many smooth rides on the water!
Author Profile
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Alvin Rath spent years in the world of prototyping and mechanical design, where precision and practicality had to go hand in hand. With a background in engineering and a lifelong curiosity for how things work, Alvin built his career around testing, tweaking, and improving tools and equipment for real-life use. His hands-on experience in workshops, combined with a no-nonsense approach to gear, shaped how he sees products not just by their features, but by how well they actually perform when put to the test.
In 2025, Alvin launched colab-factory.com to share that perspective with a wider audience. Now, he focuses on writing product reviews grounded in first-hand use, real-world conditions, and long-term value. Whether he’s comparing cordless drills or exploring lesser-known brands, Alvin’s mission is simple: cut through the noise and help readers find tools they can truly rely on.
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