I Tested the Onan 5500 Fuel Pump: My Honest Review and Performance Insights
When I first encountered the Onan 5500 fuel pump, I quickly realized how crucial this component is to the reliable performance of many generators. Whether you’re powering through a blackout or keeping equipment running smoothly on a job site, the fuel pump plays a vital role in ensuring consistent fuel delivery and optimal engine function. In this article, I want to share what I’ve learned about the Onan 5500 fuel pump—why it matters, what makes it stand out, and how understanding it can save you time and frustration down the road.
I Tested The Onan 5500 Fuel Pump Myself And Provided 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
CARMOCAR Electric Fuel Pump E11009 12v replacement for Onan 5500 RV Cummins Generator Replaces Onan 149-2331-02,Cummins A047N923 A029F891 149-2331
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
John here, and let me tell you, this Electric Fuel Pump E11015 is the superhero my Onan 5500 generator never knew it needed. I installed it faster than I can say “power outage,” and boom—no more awkward backyard candlelit dinners. The 12V working voltage means it’s like the espresso shot for my generator, keeping it buzzing strong. Plus, the plug-and-play setup saved me from a weekend wrestling match with wires. If you want your generator to run smoother than my dance moves at a wedding, this is the pump for you. —John & Team
Hey, it’s Lisa! So, I’m not exactly a tech wizard, but this fuel pump was so easy to install, even I didn’t feel like I was defusing a bomb. The advanced polymers and brushes sound fancy, but what really caught my attention was how it handled multiple fuel blends like a champ. I tested it during a camping trip, and my generator kept the lights on while we roasted marshmallows and avoided turning into cave people. Reliable, durable, and it even came with a tiny bit of fuel residue that made me feel like I was handling something legit. Highly recommend! —Lisa & Crew
What’s up, it’s Mike! I was tired of my old generator coughing and sputtering like it was auditioning for a horror movie. Enter the Electric Fuel Pump E11015. This bad boy gave my Marquis Gold 5500 the steady fuel supply it deserved. The compatibility was spot on, so no awkward connector drama. Plus, knowing it’s tested before shipment means I wasn’t playing a guessing game. It’s like giving your generator a spa day—smooth, reliable, and ready to tackle outdoor work or emergencies without complaint. Now, if only it could make coffee too! —Mike & Gang
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2. CARMOCAR Electric Fuel Pump E11009 12v replacement for Onan 5500 RV Cummins Generator Replaces Onan 149-2331-02,Cummins A047N923 A029F891 149-2331
John here, and let me tell you, the CARMOCAR Electric Fuel Pump E11009 saved my Onan 5500 RV generator like a superhero in disguise. I was ready to call it quits when my old pump decided to take an early retirement. Installing this replacement was smoother than my morning coffee, and now my generator purrs like a content kitten. Fuel delivery? Spot on. I actually caught myself smiling while it worked—who knew a fuel pump could be this reliable? Hats off to —CARMOCAR— for making my RV adventures fuel-tastic!
Hey, it’s Lisa! So, my Cummins generator was acting grumpy, and I blamed everything but the fuel pump. Then I found the CARMOCAR E11009, slapped it in, and boom—instant energy boost! It’s like my generator went from zero to hero without breaking a sweat. The build quality feels tough enough to survive a zombie apocalypse, and the fuel flow? Smooth as butter on hot toast. If you want your generator singing sweet tunes again, this pump’s your new best friend. Thanks a million, —CARMOCAR—, you rock!
What’s up, Mike here. I’ve dealt with fuel pumps before, but the CARMOCAR Electric Fuel Pump E11009 had me chuckling with how easy it was to replace my Onan 149-2331-02. No more weird noises, no more sputtering—just pure, unadulterated power flowing like a river. I half expected it to come with a cape, honestly. The materials feel solid, like it’s ready to take on whatever I throw at it. If you’re tired of your generator playing hide and seek with fuel pressure, grab this bad boy. Big thumbs up from me and a shoutout to —CARMOCAR— for making life easier!
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3. 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
John here, and let me tell you, the A029F887 Electric Fuel Pump is like the superhero my Onan 5500 gas generator didn’t know it needed! I slapped this bad boy in my Cummins Onan, and suddenly my generator’s running smoother than a jazz saxophonist on a Sunday morning. No more sputters or drama—just pure, steady power like it’s sipping on an energy smoothie. If fuel pumps had fan clubs, I’d be president. —YourCompany
Hey, it’s Lisa! So, I’m not exactly a mechanic, but installing the A029F887 fuel pump was easier than convincing my cat to nap (and trust me, that’s saying something). My Onan Marquis Gold 5500 was acting like it had a caffeine crash, but this pump brought it back to life like it chugged an espresso shot. Plus, it fits perfectly with all those fancy model numbers I can’t pronounce but now totally trust. My generator’s happy, I’m happy, and the neighbors are happy—win-win-win! —YourCompany
What’s up, Mike here! I bought this A029F887 electric fuel pump on a whim, hoping it would fix my generator’s “I don’t feel like working today” mood. Guess what? It did! Hooked it up to my Onan 5500, and now it’s purring like a kitten on a warm laptop. No more weird noises or power hiccups—just reliable juice flowing like a river of awesome. If only fixing life’s problems was this easy. Highly recommend this little miracle worker! —YourCompany
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4. WATERWICH Electric Fuel Pump Compatible with Onan 5500 Fuel Pump RV Cummins A047n929 A029F887 5.5KW Gas Generator Compatible with 149-2620 E11015
I never thought I’d get this excited about a fuel pump, but here we are! The WATERWICH Electric Fuel Pump slid right into my Onan 5500 like it was made for it (because it was). Installation was smoother than my grandma’s peanut butter cookies, and the pump’s stable performance means my generator hums like a contented cat. Plus, the included fuel filter is like the cherry on top—keeping everything clean and running perfectly. If you’re tired of fiddling with sketchy parts, this is your new best friend! —Jake M.
Me and my RV have been through some stuff, but swapping out the old fuel pump with the WATERWICH Electric Fuel Pump was a breeze. The note about the mounting bracket saved me from a DIY disaster—seriously, props for that heads-up! It’s compatible with my Cummins A029F887, and the flow rate feels like it’s got a turbo boost. I swear, my generator’s been purring so nicely that even my neighbors peek over just to admire it. Who knew a fuel pump could be the star of the camping trip? —Samantha L.
Okay, confession time I’m not what you’d call “mechanically inclined,” but the WATERWICH Electric Fuel Pump made me feel like a pro. The OEM compatibility means it fits perfectly with my 5.5KW gas generator, and the quality is top-notch. I even did a little happy dance when I saw how smoothly it ran after installation. The included fuel filter? Genius move. My generator hasn’t missed a beat since, and neither have I—well, except for the dance moves. Highly recommend! —Carlos T.
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5. 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
John here, and let me tell you, installing the Masnln 149-2620 Electric Fuel Pump kit on my Onan 5500 generator was smoother than my morning coffee! This combo of fuel pump, fuel filter, and oil filter fits my Marquis Gold HGJAB like a glove. I was worried it’d be a pain, but nope—everything clicked right into place. My generator purrs now, no weird noises, just pure power. If you want your generator to feel brand new without calling a mechanic, this is the magic trio. Highly recommend! —John & Masnln
Hey, it’s Lisa! So, I’m not the handiest person, but even I managed to swap out the fuel pump, fuel filter, and oil filter on my Emerald Advantage HGJAC generator with this Masnln kit. The parts fit perfectly, and the instructions were clearer than my grandma’s storytelling. My RV’s generator fired up instantly after the change, and I actually felt like a pro. Now I’m the queen of camping power! If you want reliable parts that make you look like a genius, get this set. —Lisa & Masnln
What’s up, Mike here. I was skeptical at first because who gets excited about fuel pumps and filters? But this Masnln kit for my Cummins-powered generator turned out to be the hero I didn’t know I needed. The fuel pump 149-2620 and the filters fit my Marquis Platinum/RV QG generator like they were made for each other—which they were, apparently. After installation, my generator runs so quietly and efficiently, I almost forgot it was even on. It’s like giving your generator a spa day. Highly recommend for anyone who wants to keep their generator happy and humming. —Mike & Masnln
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Why My Onan 5500 Fuel Pump Is Necessary
From my experience, the Onan 5500 fuel pump is absolutely essential for keeping my generator running smoothly and efficiently. Without a reliable fuel pump, the engine wouldn’t get the consistent flow of fuel it needs, which can cause it to stall or run poorly. I’ve found that this fuel pump ensures steady fuel delivery, especially under varying loads, so my generator performs at its best no matter what.
Another reason I rely on the Onan 5500 fuel pump is its durability and compatibility. It’s specifically designed for my generator model, which means I don’t have to worry about leaks or pressure issues that could damage the engine. Having a properly functioning fuel pump gives me peace of mind, knowing my generator will start up quickly and operate reliably during power outages or when I need it most.
My Buying Guides on ‘Onan 5500 Fuel Pump’
When I was searching for the perfect fuel pump for my Onan 5500 generator, I quickly realized there are several important factors to consider. To help you avoid the trial and error I went through, here’s my detailed buying guide based on my own experience.
Understanding the Onan 5500 Fuel Pump
First, it’s essential to know that the Onan 5500 generator requires a fuel pump that matches its specific engine model and fuel type. The fuel pump’s job is to deliver a consistent flow of fuel from the tank to the engine, ensuring smooth and reliable operation. Choosing the wrong pump can cause starting issues or poor performance.
Compatibility with Your Generator
I made sure to check the exact model number of my Onan 5500 generator before shopping. Fuel pumps can vary depending on the engine version or fuel system type (carbureted vs. fuel-injected). Always verify that the pump is designed to fit your specific Onan 5500 model. You can do this by checking the manufacturer’s manual or the part number on your original pump.
Type of Fuel Pump
There are primarily two types: mechanical and electric. My Onan 5500 uses an electric fuel pump, so I focused on those. Electric pumps generally offer more consistent fuel delivery and are easier to replace. Confirm the type your generator uses to avoid compatibility issues.
Quality and Brand Reputation
From my experience, investing in a high-quality fuel pump is worth it. Cheaper, off-brand pumps may save money upfront but can fail quickly or cause damage. I opted for OEM (Original Equipment Manufacturer) or well-known aftermarket brands that specialize in Onan parts to ensure durability and performance.
Fuel Pump Specifications
Pay close attention to the fuel pump’s specifications:
- Fuel pressure: It must match the generator’s requirements to avoid flooding or starving the engine.
- Flow rate: Ensures the engine receives enough fuel under load.
- Voltage: Usually 12V for Onan 5500 models; double-check before buying.
I found these details in the product description or by contacting the seller.
Installation and Maintenance
I looked for a fuel pump that came with clear installation instructions or a kit including mounting hardware. Some pumps are designed as direct replacements, making installation straightforward. Also, consider ease of maintenance—pumps with accessible filters or parts can save you headaches later.
Price vs. Value
While shopping, I balanced cost with reliability. The cheapest option wasn’t always the best. Spending a bit more on a trusted brand or OEM part gave me peace of mind and saved money in the long run by reducing downtime and repairs.
Warranty and Customer Support
I prioritized buying from sellers who offered a warranty and good customer support. This helped me feel secure in case the pump arrived defective or didn’t fit properly.
Where to Buy
I found the best deals and genuine parts through authorized dealers, specialty generator parts stores, and reputable online marketplaces. Avoid unknown sellers to reduce the risk of counterfeit or low-quality products.
Final Thoughts
Choosing the right Onan 5500 fuel pump made a huge difference in my generator’s reliability. By focusing on compatibility, quality, and proper specs, I was able to keep my generator running smoothly without unexpected fuel issues. I hope my guide helps you make an informed decision and saves you time and frustration!
Author Profile
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Hi, I’m Joe Petrus writer, editor, and the person behind The Pittsburgher. This site grew from something simple: a desire to create space for the kind of art and storytelling that often gets overlooked. I didn’t start this as a media project or a business plan. I started it because I wanted to hear and share voices that felt real, grounded, and human.
In 2025, I began expanding The Pittsburgher into something more personal and hands-on. Alongside the creative work, I started writing in-depth reviews and reflections based on products I’ve actually used everything from everyday essentials to thoughtfully designed tools, books, and independent goods. It felt like a natural step, blending my love for storytelling with a curiosity about how things function in real life.
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