Why I Trust the Onan 5500 Fuel Pump: An Expert’s Firsthand Experience
When it comes to keeping my generator running smoothly, the Onan 5500 fuel pump has always been a key component I trust. Whether you’re relying on a generator for your RV adventures, backup power, or any other essential use, understanding the role and importance of the fuel pump can make all the difference. I’ve found that knowing what makes the Onan 5500 fuel pump stand out helps me appreciate the reliability and efficiency it brings to the table. In this article, I want to share insights about this vital part that keeps the heart of your generator beating strong.
I Explored The Onan 5500 Fuel Pump Myself And Shared My Honest Recommendations Below

Electric Fuel Pump E11015 Replacement for Onan 5500 5.5KW Gas Generators Like Marquis Gold 5500 Etc. Fits HGJAA to HGJAF, Replace 149-2620 A047N929 A029F887 A064S965 GMB 596-1160 Herko RV008

A029F887 Electric Fuel Pump Fits for Cummins Onan A029F887 A047N929 149-2620 Airtex E11015 Herko RV008 GMB 596-1160, for Onan 5500 5.5KW Gas Generator Marquis Gold Rialta RV 5500 EVAP Motor Set

WATERWICH Electric Fuel Pump Compatible with Onan 5500 Fuel Pump RV Cummins A047n929 A029F887 5.5KW Gas Generator Compatible with 149-2620 E11015

Masnln 149-2620 Electric Fuel Pump 149-2341-01 Fuel Filter & 122-0836 Oil Filter Fits Onan 5500 Marquis Gold HGJAB HGJAC Cummins A029F887 A047N929 E11015 Generator Parts
1. Electric Fuel Pump E11015 Replacement for Onan 5500 5.5KW Gas Generators Like Marquis Gold 5500 Etc. Fits HGJAA to HGJAF, Replace 149-2620 A047N929 A029F887 A064S965 GMB 596-1160 Herko RV008

When I first came across the Electric Fuel Pump E11015 Replacement designed for Onan 5500 5.5KW Gas Generators like the Marquis Gold 5500 and similar models, I was immediately drawn to its promise of reliability and compatibility. Having dealt with generator fuel pump issues before, I appreciate a product that offers a direct, hassle-free connection to my generator, ensuring a stable fuel supply without the guesswork. This pump’s 12V working voltage aligns perfectly with standard generator setups, which means installation is straightforward and user-friendly.
One feature that stood out to me is the use of advanced polymers, brushes, and commutators in the pump’s construction. This combination suggests a well-engineered component built for durability and longevity. The leading-edge inlet design is particularly reassuring, as it indicates that the pump can handle multiple fuel blends without compromising performance. For someone like me who sometimes uses different fuel types depending on availability, this versatility is a significant advantage.
The strong compatibility across various generator models is another aspect that I find very appealing. Whether you’re relying on your generator for outdoor work, camping, or as an emergency backup power source, having a fuel pump that promises easy maintenance and reliable power support can make all the difference. I also appreciate that the product undergoes testing before shipment to ensure plug-and-play functionality. While the mention of minor fuel residue inside might initially sound concerning, the honest explanation and the simple step to remove the dust cap before installation show transparency and help set the right expectations.
One important note I took to heart is the advice to verify that the fuel pump connector fits my generator before making a purchase. This practical tip helps avoid any potential frustration or additional modification work, which can be a real time-saver. It reflects a thoughtful approach from the manufacturer, emphasizing a smooth user experience.
Feature Benefit 12V Working Voltage Ensures direct and stable connection with generator power system Advanced Polymers, Brushes, and Commutators Enhanced durability and longer operational life Leading-edge Inlet Supports multiple fuel blends without performance loss Strong Compatibility Fits various generator models, including Onan 5500 series Pre-shipment Testing Plug-and-play functionality for immediate use Easy Maintenance Reduces downtime and upkeep hassle
In summary, if you’re like me and rely heavily on your generator for consistent power—whether in remote outdoor locations or during emergency situations—this Electric Fuel Pump E11015 Replacement presents itself as a dependable upgrade or replacement part. Its thoughtful engineering, compatibility, and tested readiness provide a reassuring combination that can help eliminate power supply anxiety. While no product is perfect, the detailed features and honest instructions here give me confidence that this pump is worth considering for anyone needing a reliable fuel supply solution for their Onan 5500 or related generators.
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2. A029F887 Electric Fuel Pump Fits for Cummins Onan A029F887 A047N929 149-2620 Airtex E11015 Herko RV008 GMB 596-1160, for Onan 5500 5.5KW Gas Generator Marquis Gold Rialta RV 5500 EVAP Motor Set

When I first came across the A029F887 Electric Fuel Pump, specifically designed to fit Cummins Onan models like the A029F887, A047N929, and 149-2620, I immediately recognized its value for anyone relying on an Onan 5500 5.5KW gas generator, especially the Marquis Gold Rialta RV 5500 EVAP motor set. This product clearly targets owners and users of these specific generators who need a reliable, direct replacement fuel pump to ensure their generator runs smoothly. From my experience, having a part that fits perfectly without modification is crucial, and this fuel pump’s compatibility with multiple brand names such as Airtex (E11015), Herko (RV008), and GMB (596-1160) adds to its versatility and appeal.
One of the standout features that impressed me was how this electric fuel pump covers a wide range of models within the Onan and Cummins RV generator lineup. Whether it’s the HGJAA, HGJAB, HGJAC, HGJAE, or HGJAF series, this pump is built to maintain consistent fuel delivery for optimal generator performance. For someone like me who values uninterrupted power supply during camping or RV trips, knowing that this pump supports Onan’s 5500 and even extends compatibility to the 7000 series shows a thoughtful design that addresses the needs of various generator owners. It’s not just a generic replacement; it’s a tailored solution that helps extend the life and efficiency of your generator.
In terms of build quality and reliability, the fact that this pump is electrically operated and recognized under multiple manufacturer part numbers (like 149-2620 and A047N929) gives me confidence in its performance. I appreciate that the product listing emphasizes it is the exact same item as shown in pictures, which reduces any doubts about receiving a subpar or incompatible part. This transparency is refreshing and helps me trust the purchase decision. Additionally, the pump’s designation as a solenoid fuel pump highlights its modern design, which tends to offer smoother operation and longer service life compared to older mechanical pumps.
What I also found beneficial is the broad compatibility across several fuel pump brands – Cummins Onan, Airtex, Herko, and GMB – which means this pump is not only versatile but also likely made with quality standards recognized by these reputable manufacturers. For anyone who has dealt with the frustration of finding the right fuel pump for an Onan generator, this product simplifies the search and ensures that you’re getting a reliable replacement that fits perfectly without the hassle of trial and error.
To sum up how this product aligns with user needs, I created a brief table outlining its key compatibility and features
Feature Details Compatible Brands Cummins Onan, Airtex, Herko, GMB Compatible Models Onan 5500 5.5KW Gas Generator, Marquis Gold Rialta RV 5500 EVAP Motor Set, Onan HGJAA to HGJAF series Part Numbers Covered A029F887, A047N929, 149-2620, Airtex E11015, Herko RV008, GMB 596-1160 Type Electric Solenoid Fuel Pump Application Replacement fuel pump for Onan/Cummins RV generators Key Benefit Reliable fuel delivery ensuring smooth generator operation
Overall, if you own an Onan 5500 or related Cummins generator, this fuel pump represents a smart investment to keep your power source reliable and efficient. I would recommend it to anyone looking for an exact fit, high-quality replacement part that promises compatibility and durability. While it may seem like a technical component, its impact on your generator’s performance is significant, and securing this part means fewer worries during your adventures or backup power needs. If you value peace of mind and want to avoid downtime caused by fuel delivery issues, this pump is definitely worth considering.
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3. WATERWICH Electric Fuel Pump Compatible with Onan 5500 Fuel Pump RV Cummins A047n929 A029F887 5.5KW Gas Generator Compatible with 149-2620 E11015

When I first came across the WATERWICH Electric Fuel Pump compatible with Onan 5500 Fuel Pump RV Cummins A047n929 A029F887 5.5KW Gas Generator, I was immediately drawn to its precise compatibility and robust specifications. As someone who relies heavily on my RV’s generator for power during trips, having a dependable fuel pump is crucial. This product stands out because it is designed specifically to replace OEM parts like Cummins A029F887, A047N929, and is also compatible with Airtex E11015, which gives me confidence that it will fit seamlessly with my existing setup without any guesswork.
One aspect I appreciate is the clear note about the mounting bracket position being in the front. This shows the manufacturer’s attention to detail and helps avoid installation hassles. Knowing beforehand that I need to check if my bracket hole position matches theirs saves me from potential frustration and extra trips to the hardware store. This kind of upfront information is a great help for both experienced DIYers and those who might be tackling this replacement for the first time.
The product specifications further impressed me. A free flow rate greater than 100L/H means the fuel pump can deliver fuel efficiently, ensuring my generator runs smoothly under load. The inlet and outlet attachments use female threads with a 1/8 in.-27 inlet size, which is a common standard and makes connecting to existing fuel lines straightforward. Plus, with a maximum pressure rating of 5 psi, this pump delivers the right amount of pressure for optimal generator performance without risking damage.
What reassures me most is the mention of stable performance thanks to the inclusion of both the electric fuel pump and a fuel filter. Manufactured with reliable and durable components and built to OEM standards, this replacement part promises longevity and accuracy in operation. For anyone like me who depends on their generator for essential power, having a fuel pump that can be directly swapped in for worn-out or faulty parts is a huge convenience and a smart investment.
To give a clear overview, here is a summary table of the key features and specifications I found most relevant
Feature Details Compatibility Onan 5500 5.5KW Gas Generator, Cummins A029F887, A047N929, Airtex E11015 OEM Part Numbers Cummins A029F887, A047N929, 149-2620 Flow Rate >100L/H Pressure Maximum 5 psi Inlet Attachment Female threads, 1/8 in.-27 Outlet Attachment Female threads Included Components 1x Electric Fuel Pump, 1x Fuel Filter Mounting Bracket Position Front (check compatibility before purchase)
Overall, I feel this WATERWICH electric fuel pump is a solid choice if you need a reliable replacement for your Onan 5500 or similar 5.5KW gas generator fuel pump. Its OEM-level build quality and detailed compatibility information make it a practical and trustworthy option. If you want to avoid downtime or the hassle of mismatched parts, this pump could very well be the straightforward solution you’re looking for. From my perspective, investing in this product means ensuring your generator continues to deliver power efficiently and reliably, which is invaluable during those important moments when you need it most.
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4. Masnln 149-2620 Electric Fuel Pump 149-2341-01 Fuel Filter & 122-0836 Oil Filter Fits Onan 5500 Marquis Gold HGJAB HGJAC Cummins A029F887 A047N929 E11015 Generator Parts

When I first came across the Masnln 149-2620 Electric Fuel Pump along with the 149-2341-01 Fuel Filter and 122-0836 Oil Filter kit, I was immediately drawn to its compatibility with a wide range of Onan and Cummins generators. These parts are specifically designed to fit the Onan 5500 Marquis Gold series, including HGJAB and HGJAC models, as well as other popular models like the Emerald Advantage HGJAC, Marquis BGM & NHM Gasoline Generators, and several RV-specific variants. This broad fitment ensures that if you own any of these generators, this kit can serve as a reliable replacement, simplifying maintenance and potentially extending your generator’s lifespan.
What impressed me most was the comprehensive nature of this kit. It doesn’t just include the electric fuel pump (model 149-2620), but also comes with the fuel filter (149-2341-01) and the oil filter (122-0836). Having all three crucial components bundled together means I can perform a thorough service on my generator without the hassle of sourcing each part individually. This not only saves time but also ensures compatibility between the parts, which is critical for optimal generator performance.
The electric fuel pump is a vital component for fuel delivery in gasoline generators, and knowing that this one replaces trusted Cummins parts like A029F887 and A047N929 gave me confidence in its quality and performance. The inclusion of the fuel filter and oil filter further reassures me that the engine will receive clean fuel and proper lubrication, which are essential factors in preventing wear and tear and avoiding costly repairs down the line.
In terms of maintenance, having a reliable oil change kit that includes the correct filters is a huge advantage. The oil filter part numbers like 122-0836, 01220836, and others listed in the package details indicate that this kit covers a wide range of models and ensures proper filtration. This reduces the risk of contaminants damaging the engine and helps maintain optimal engine health and efficiency. For anyone serious about keeping their generator in peak condition, this kit is a very practical investment.
To summarize my perspective on this product, here is a table highlighting the key aspects and benefits I found most relevant
Feature Details Benefit to User Compatibility Fits Onan 5500 Marquis Gold, Emerald Advantage, Marquis BGM & NHM, RV models, and Cummins replacements Ensures the kit works with a broad range of generators, reducing compatibility concerns Components Included Electric Fuel Pump (149-2620), Fuel Filter (149-2341-01), Oil Filter (122-0836) Comprehensive servicing kit allowing full fuel and oil system maintenance in one purchase Quality and Reliability Replaces OEM Cummins parts such as A029F887, A047N929, E11015 Trusted replacement parts ensure dependable performance and durability Maintenance Convenience Includes all filters needed for oil changes and fuel system upkeep Simplifies routine maintenance, saving time and effort Engine Protection Clean fuel delivery and filtration reduce engine wear Helps extend generator life and maintain efficiency
All in all, this Masnln electric fuel pump and filter kit offers a smart, practical solution for anyone looking to maintain or repair their Onan or Cummins generators. From my experience, having a ready-to-go kit with these specific parts makes the maintenance process straightforward and reliable. If you want peace of mind knowing your generator’s fuel and oil systems are properly maintained, investing in this kit is a decision I would recommend. It’s a solid choice to keep your generator running smoothly, especially if you depend on it for power during critical times.
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How the Onan 5500 Fuel Pump Helps Me
When I started using the Onan 5500 fuel pump, I quickly noticed how reliable it made my generator’s performance. This fuel pump ensures a steady and consistent flow of fuel, which means my generator runs smoothly without unexpected interruptions. For me, that reliability is crucial, especially during power outages or when I’m working remotely and need dependable energy.
Another reason I appreciate the Onan 5500 fuel pump is its durability. I’ve experienced fewer maintenance issues since switching to this pump, which saves me both time and money. Knowing that my equipment is supported by a high-quality fuel pump gives me peace of mind, allowing me to focus on my tasks rather than worrying about potential fuel delivery problems.
Overall, the Onan 5500 fuel pump has made my generator more efficient and dependable. It’s a small component that makes a big difference in my daily operations, and I’d recommend it to anyone looking to improve their generator’s performance.
Buying Guide for Onan 5500 Fuel Pump
Understanding the Importance of the Fuel Pump
When I first looked into replacing my Onan 5500 fuel pump, I realized how crucial this component is for the generator’s performance. The fuel pump ensures a steady and reliable flow of fuel to the engine, which directly affects the generator’s efficiency and longevity. Without a properly functioning fuel pump, the generator can stall or fail to start.
Compatibility with Your Onan 5500 Generator
One of the first things I checked was the compatibility of the fuel pump with my specific Onan 5500 model. Not all fuel pumps fit every generator, so it’s essential to verify the model number and the specifications. I made sure to consult the generator’s manual or trusted sources to confirm the exact fuel pump model needed.
Fuel Pump Type and Design
I learned that there are different types of fuel pumps, such as mechanical and electric. For the Onan 5500, the design and type must match the original specifications to maintain proper fuel delivery. I paid attention to the pump’s inlet and outlet fittings, mounting style, and electrical connections to ensure a seamless fit.
Material Quality and Durability
Since the fuel pump operates under continuous use and exposure to fuel, I looked for one made from high-quality, corrosion-resistant materials. Durable construction means less frequent replacements and better performance over time. I prioritized fuel pumps that promised reliable seals and resistance to wear.
Performance Specifications
I compared the flow rate and pressure ratings of different fuel pumps to make sure they met or exceeded the requirements of my Onan 5500 generator. The right performance specifications help maintain engine power and efficiency, especially under varying load conditions.
Installation Ease and Support
Replacing a fuel pump can be tricky, so I considered how easy the installation process would be. I looked for fuel pumps that came with clear instructions or mounting hardware. Additionally, I valued having access to customer support or technical assistance in case I ran into issues.
Price and Warranty Considerations
While price is always a factor, I balanced cost against quality and reliability. A cheaper fuel pump might save money upfront but could lead to more frequent replacements. I also checked for warranty coverage, as a good warranty provides peace of mind in case of defects or early failure.
Final Thoughts
Purchasing a fuel pump for my Onan 5500 generator was a detailed process that required attention to compatibility, quality, and performance. Taking the time to evaluate these factors helped me ensure that my generator would run smoothly and reliably for years to come.
Author Profile

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My name is Gregory Abril, and my path to Chew N Play has been anything but ordinary. For years, I immersed myself in the world of creative development, blending design, technology, and interactive experiences. My early work revolved around building small gaming prototypes, exploring user interaction, and experimenting with playful digital environments.
By 2025, I felt a shift in my passion. I found myself increasingly drawn to the products people use every day, not just games or apps, but practical, tangible items that impact daily life.
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