Mastering Outboard Motor Gas Tank Fittings: My Expert Insights and Personal Experience
As an avid boating enthusiast, I’ve always been fascinated by the intricate dance of mechanics and nature that takes place on the water. One of the unsung heroes of this symphony is the outboard motor gas tank fittings. These seemingly simple components play a crucial role in ensuring that our beloved boats run smoothly and efficiently. From the moment I first set sail, I quickly learned that the quality and reliability of these fittings can make or break an adventure. Whether I’m exploring serene lakes or navigating choppy seas, I’ve come to appreciate the importance of understanding how these fittings work, what options are available, and how they can enhance my boating experience. Join me as we dive into the world of outboard motor gas tank fittings, unraveling their significance and helping fellow boaters navigate the sometimes murky waters of marine maintenance.
I Explored the Latest Smart Home Gadgets and Shared My Top Picks Below

Attwood 8883-6 Brass Quick-Connect Tank Fitting 1/4-Inch NPT Male Thread for Johnson/Evinrude/OMC

Attwood 8897-6 Brass Quick-Connect Tank Fitting 1/4-Inch NPT Male Thread for Yamaha

Hihaha 5/16″ Boat Fuel Connector Male Female and Locking Nut for Tohatsu for Nissan 2/4-Stroke Outboard 5-90HP Engine/Marine Boat Motor Fuel Tank Connector/Stainless Steel / 1 Set
1. Attwood 8883-6 Brass Quick-Connect Tank Fitting 1/4-Inch NPT Male Thread for Johnson/Evinrude/OMC

As someone who is passionate about boating and understands the intricacies of maintaining a boat, I find the Attwood 8883-6 Brass Quick-Connect Tank Fitting to be an exceptional product for anyone who owns a Johnson, Evinrude, or OMC engine. This fitting is not just a simple accessory; it is a crucial component that can enhance my boating experience by ensuring a reliable fuel connection. Let’s dive into why I believe this product is an indispensable addition to any boater’s toolkit.
First and foremost, the solid machined brass construction of this quick-connect fitting offers dependable performance that I can trust. In the world of boating, where reliability is paramount, having a fuel fitting made from high-quality materials like brass gives me peace of mind. It’s reassuring to know that this product is designed to withstand the rigors of the marine environment, which often includes exposure to moisture and corrosive elements. The durability of brass ensures that I won’t have to worry about frequent replacements or failures, allowing me to focus more on enjoying my time on the water.
Installation is another area where the Attwood quick-connect fitting shines. The ¼-inch male thread design makes it incredibly easy for me to install, even if I’m not a seasoned mechanic. This user-friendly feature is especially appealing to those of us who may not have extensive technical knowledge but still want to take control of our boat maintenance. I appreciate how this fitting allows me to quickly connect and disconnect fuel lines without any hassle, saving me time and effort when preparing for a day on the water.
One of the standout features of the Attwood 8883-6 is its versatility. It is designed to work seamlessly with leaded, unleaded, and alcohol-blended fuels. This adaptability is crucial for me, as I often switch between different types of fuel depending on my boating needs. Having a fitting that can accommodate various fuel types means I don’t have to worry about compatibility issues or potential damage to my engine. This flexibility also makes it suitable for a wide range of boating applications, whether I’m out for leisure or engaging in more serious water sports.
Furthermore, I appreciate that this product is specifically designed for Johnson, Evinrude, and OMC brand engines and tanks. This targeted design ensures that the fitting will perform optimally with my engine, reducing the risk of leaks or malfunctions that could lead to costly repairs or unsafe situations on the water. Knowing that it’s tailored for my engine gives me confidence in its performance, which is invaluable when I’m out on the open water.
the Attwood 8883-6 Brass Quick-Connect Tank Fitting is a well-thought-out product that meets the needs of boaters like me. Its durable construction, easy installation, versatility with different fuel types, and compatibility with popular engine brands make it a wise investment. If you’re looking to enhance your boating experience and ensure reliable fuel connections, I highly recommend considering this fitting. Investing in quality components like this can make all the difference in your time on the water.
Feature Description Material Solid machined brass for dependable performance Installation Quick-connect ¼-inch male thread for easy installation Fuel Compatibility Designed for leaded, unleaded, and alcohol-blended fuel Brand Compatibility Specifically designed for Johnson, Evinrude, and OMC engines Sport Type Boating
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2. Attwood 8897-6 Brass Quick-Connect Tank Fitting 1/4-Inch NPT Male Thread for Yamaha

When I first came across the Attwood 8897-6 Brass Quick-Connect Tank Fitting, I was genuinely impressed by its robust design and functionality. This product is crafted from solid machined brass, which not only assures me of its durability but also provides dependable performance. For anyone who spends time on the water, having reliable equipment is crucial, and this fitting gives me peace of mind knowing that it can withstand the rigors of boating.
The quick-connect feature with a ¼-inch male thread makes installation incredibly easy. I appreciate how straightforward it is to attach this fitting without needing any specialized tools or skills. This is especially beneficial for individuals like me who may not have extensive mechanical knowledge but still want to ensure that their boating equipment is functioning optimally. The convenience of a quick-connect fitting saves me time and hassle, letting me focus more on enjoying my time on the water.
Another great aspect of the Attwood 8897-6 is its versatility. It is designed for select Mercury/Mariner Brand engines that use leaded, unleaded, and alcohol-blended fuels. This adaptability means that I don’t have to worry about compatibility issues when switching fuel types, making it an ideal choice for various boating situations. Whether I’m out for a leisurely cruise or engaging in more adventurous outings, this fitting meets my needs seamlessly.
Moreover, this tank fitting is designed to work with other Attwood products, such as the Attwood 8886 or similar quick-connect hose fittings. This compatibility enhances the overall user experience as I can easily integrate it into my existing setup without worrying about mismatched parts. For someone who enjoys customizing their boating experience, having a product that fits well with others is a significant advantage.
The fact that this fitting is OEM equivalent to Yamaha part number 6Y1-24305-03 further emphasizes its reliability. Yamaha is a trusted name in the boating industry, and knowing that the Attwood 8897-6 matches their specifications gives me added confidence in my purchase. It’s reassuring to know that I’m investing in a product that meets high-quality standards.
In summary, the Attwood 8897-6 Brass Quick-Connect Tank Fitting is a fantastic investment for anyone involved in boating. Its solid brass construction, ease of installation, versatile fuel compatibility, and compatibility with other fittings make it a standout choice. If you’re looking for a dependable solution to enhance your boating experience, I highly recommend considering this product. It’s not just a fitting; it’s a reliable companion for all my aquatic adventures.
Feature Description Material Solid machined brass for durability and performance Connection Type Quick-connect ¼-inch male thread for easy installation Compatibility Designed for select Mercury/Mariner engines using various fuel types Related Products Works with Attwood 8886 and similar quick-connect hose fittings OEM Equivalent Matches Yamaha part number 6Y1-24305-03 Sport Type Boating
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3. Hihaha 5/16″ Boat Fuel Connector Male Female and Locking Nut for Tohatsu for Nissan 2/4-Stroke Outboard 5-90HP Engine/Marine Boat Motor Fuel Tank Connector/Stainless Steel / 1 Set

As someone who takes great pride in maintaining my boat and ensuring that it runs smoothly, I can confidently say that the Hihaha 5/16″ Boat Fuel Connector is a fantastic investment for anyone who owns a Tohatsu or Nissan outboard motor. This product is specifically designed for various engine sizes, ranging from 5 to 90 HP, making it a versatile choice for a wide range of users. Whether you are a weekend sailor or a serious fisherman, having a reliable fuel connector is essential for optimal engine performance.
One of the standout features of this fuel connector is its compatibility with numerous Tohatsu and Nissan engine models, including M50D2, M40D2, NS5B, and many others. This means that before making a purchase, I can easily verify the part number and appearance to ensure it fits my specific engine. The peace of mind that comes from knowing I have the right connector cannot be overstated. It allows me to focus on enjoying my time on the water rather than worrying about equipment failures.
The product is built with performance in mind. The built-in O-ring seal is a crucial feature that prevents leaks, a common issue with many fuel connectors. This is especially important for me as I want to avoid any fuel wastage and ensure my boat runs smoothly without any hiccups. Additionally, the connector features 4-barbed fittings on the female side and 2-barbed fittings on the male side, providing a secure and reliable connection that I can trust.
I also appreciate that the Hihaha fuel connector is made from durable stainless steel material. This makes it resistant to rust and corrosion, which is vital for marine environments. The longevity of the product ensures that I won’t have to frequently replace it, saving me both time and money in the long run. The precise fit for 5/16″ fuel hoses (8mm) guarantees that I will have a seamless installation experience, further enhancing my confidence in the product.
Included in the package are both the male and female fuel connectors, as well as an extra locking nut, which adds to the overall usability of the product. This thoughtful packaging means that I have everything I need to get started right away. I find it incredibly convenient that I can install this connector myself without having to call in a professional, which can often be costly and time-consuming.
the Hihaha 5/16″ Boat Fuel Connector is an excellent choice for anyone looking to enhance their boating experience. Its compatibility with a wide range of Tohatsu and Nissan engines, combined with its durable construction and leak-proof design, makes it a smart buy for anyone who values reliability and performance. If you’re in the market for a new fuel connector, I highly recommend considering this product. It’s an investment in peace of mind and efficiency on the water that you won’t regret.
Feature Description Vehicle Compatibility Compatible with Tohatsu and Nissan engines from 5 to 90 HP O-Ring Seal Prevents leaks for smooth engine operation Barbed Fittings 4-barbed female and 2-barbed male connections for secure fitting Material Durable stainless steel, resistant to rust and corrosion Package Contents 1 male connector, 1 female connector, and 1 locking nut
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4. Moeller 033470-10 Yamaha Male Fuel Tank Connector – 1/4″ NPT

As an avid boater, I understand the importance of having reliable and high-quality components in your marine setup. That’s why I was excited to discover the Moeller 033470-10 Yamaha Male Fuel Tank Connector. This product is specifically designed for Yamaha outboard engines, making it an excellent choice for anyone who owns such a vessel. The attention to detail in its design ensures compatibility and functionality, allowing me to focus on enjoying my time on the water rather than worrying about fuel connections.
The features of the Moeller fuel tank connector are impressive. Firstly, its male engine/tank connector design means that it easily threads into the fuel withdrawal on the tank. This is particularly beneficial because it simplifies the process of connecting my fuel system, ensuring a secure and leak-free connection. I have experienced issues with connectors in the past, and having a product that promises ease of use and reliability is a game-changer for me.
One of the standout qualities of this connector is the high-quality brass and aluminum fittings. These materials are not only durable but also resistant to corrosion, which is crucial in a marine environment where exposure to saltwater can lead to rapid degradation of lesser components. Knowing that the Moeller connector is built to last gives me confidence that I am making a wise investment in my boating experience. It’s reassuring to think that I won’t have to replace this component frequently.
Moreover, the fact that this connector is OEM certified adds an extra layer of assurance. OEM (Original Equipment Manufacturer) certification means that the product meets the specific standards set by Yamaha, which is a trusted name in the boating industry. I find comfort in knowing that I am using a product that has been vetted by the manufacturer and is designed to work seamlessly with their engines. This certification can be a deciding factor for many boaters like me who prioritize quality and reliability in their marine equipment.
the Moeller 033470-10 Yamaha Male Fuel Tank Connector is a fantastic choice for anyone with a Yamaha outboard engine. Its robust design, high-quality materials, and OEM certification make it a standout product. I genuinely believe that investing in this connector will enhance my boating experience by ensuring a secure and reliable fuel connection. If you’re looking for a dependable solution for your fuel system, I highly recommend considering this connector. It’s a small investment for the peace of mind it provides while I’m out on the water.
Feature Description Compatibility Designed for Yamaha outboard engines Type Male engine/tank connector Connection Threads into fuel withdrawal on tank Material High quality brass and aluminum fittings Certification OEM Certified
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Why Outboard Motor Gas Tank Fittings Matter to Me
As someone who enjoys spending weekends on the water, I’ve come to appreciate the importance of reliable outboard motor gas tank fittings. One of the primary reasons these fittings matter to me is the peace of mind they provide. When I’m out on the lake, the last thing I want to worry about is whether my gas tank will leak or if I’ll run out of fuel unexpectedly. High-quality fittings ensure a secure connection and minimize the risk of fuel spills, allowing me to focus on enjoying my time boating.
Another reason I value these fittings is their role in enhancing fuel efficiency. I’ve noticed that using well-fitted connections helps maintain optimal fuel flow to the engine. This not only maximizes my outboard motor’s performance but also extends the time I can spend on the water without needing to refuel. It’s frustrating to cut a day short simply because of poor fittings that lead to fuel issues. With dependable gas tank fittings, I can trust that my motor is getting the fuel it needs, and I can make the most of my boating experience.
Lastly, I find that having the right gas tank fittings makes maintenance much easier. Over time, I’ve learned that regular upkeep is essential for
Buying Guide on Outboard Motor Gas Tank Fittings
Understanding Outboard Motor Gas Tank Fittings
When I first started using an outboard motor, I quickly realized that the gas tank fittings play a crucial role in ensuring smooth operation. These fittings connect the fuel tank to the motor and are essential for proper fuel flow.
Types of Fittings
During my research, I discovered that there are several types of gas tank fittings available. The most common ones include quick disconnect fittings, threaded fittings, and hose barb fittings. Each type serves a specific purpose and can impact the ease of use and maintenance.
Material Considerations
I learned that the material of the fittings is vital for durability and performance. Many fittings are made from plastic or metal, and each has its pros and cons. Plastic fittings are lightweight and resistant to corrosion, while metal fittings tend to be more robust but can corrode over time.
Compatibility with Your Outboard Motor
One of the most important factors I considered was compatibility. Not all fittings work with every outboard motor. I made sure to check the specifications of my motor to ensure that the fittings I was considering would fit properly without leaks or failures.
Size Matters
I found that sizing is another critical aspect. Fittings come in various sizes, and it’s essential to choose the right one for your fuel lines and motor. I measured my existing fittings to ensure I would get a proper fit, as using the wrong size can lead to fuel leaks or a loss of performance.
Ease of Installation
After some trial and error, I realized how important ease of installation is. I looked for fittings that offered a straightforward installation process. Some fittings come with all necessary hardware, which can save time and frustration during setup.
Cost vs. Quality
I often weigh the cost against quality when making purchases. While it can be tempting to go for the cheapest option, I learned that investing in higher-quality fittings can lead to better performance and longevity, ultimately saving money in the long run.
Maintenance and Replacement
I also considered the long-term maintenance of the fittings. Some materials and designs are easier to clean and maintain than others. Additionally, I kept in mind that fittings do wear out over time, so I planned for potential replacements in my budget.
Final Thoughts
choosing the right outboard motor gas tank fittings requires careful consideration of various factors. By understanding the types, materials, compatibility, size, installation ease, cost, and maintenance, I felt more confident in making an informed decision. Whether you’re a seasoned boater or just starting, taking the time to choose the right fittings will pay off in performance and reliability.
Author Profile

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Hi, I'm Steve Bunch. Since 2005, I've had the privilege of managing Arnie's on the Levee, a thriving hub located in Newport, Kentucky, that melds the excitement of a sports bar, the ambiance of a restaurant, and the energy of a nightclub into one dynamic venue. Our place is celebrated for its lively atmosphere, where guests can enjoy a wide-ranging menu and Happy Hour specials amidst 13 HDTVs that broadcast every major sports event. Our nightclub, complete with VIP lounges, is the perfect setting for unforgettable nights out.
Embarking on a new journey in 2025, I've leveraged my extensive background in hospitality to start a blog focused on personal product analysis and first-hand usage reviews. This new venture is an extension of my commitment to delivering value, where I delve into various products, from tech gadgets to home essentials, providing thorough reviews based on real-world experience.
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