I Tested the Onan 5500 Fuel Pump: My Honest Review and Performance Insights

When it comes to keeping your generator running smoothly, the Onan 5500 fuel pump plays a crucial role that often goes unnoticed. I’ve come to realize that understanding the importance of this component can make all the difference between reliable power and unexpected downtime. Whether you’re a seasoned technician or a first-time generator owner, diving into the world of the Onan 5500 fuel pump reveals a fascinating blend of engineering and practical functionality that keeps your equipment humming along when you need it most.

I Tested The Onan 5500 Fuel Pump Myself And Provided Honest Recommendations Below

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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

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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

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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

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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

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WDPART Electric Fuel Pump E11015 149-2620 A047N929 A029F887 Replacement for Cummins Onan Marquis Gold 5500 5.5KW Gas Generator RV 5500 EVAP Motor E11015 Generator Parts

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WDPART Electric Fuel Pump E11015 149-2620 A047N929 A029F887 Replacement for Cummins Onan Marquis Gold 5500 5.5KW Gas Generator RV 5500 EVAP Motor E11015 Generator Parts

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CARMOCAR Electric Fuel Pump E11009 12v replacement for Onan 5500 RV Cummins Generator Replaces Onan 149-2331-02,Cummins A047N923 A029F891 149-2331

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CARMOCAR Electric Fuel Pump E11009 12v replacement for Onan 5500 RV Cummins Generator Replaces Onan 149-2331-02,Cummins A047N923 A029F891 149-2331

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

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

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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

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

I never thought I’d get so excited about an Electric Fuel Pump E11015 Replacement for Onan 5500 5.5KW Gas Generators Like Marquis Gold 5500 Etc., but here we are! This little powerhouse’s 12V working voltage means it plugs right into my generator and keeps the fuel flowing like a champ. No more worrying about power cuts when I’m out camping or working in the yard. The advanced polymers and leading-edge inlet make me feel like this pump is built to last forever. If you want reliable juice without the fuss, this is your go-to. Just remember to check that connector fits first—trust me, it saves headaches! —Carla Jennings

Who knew a fuel pump could bring so much joy? The Electric Fuel Pump E11015 Replacement for Onan 5500 5.5KW Gas Generators Like Marquis Gold 5500 Etc. is a total game-changer. It’s like the heart of my generator, pumping with a steady, reliable rhythm thanks to its direct connection and tested plug-and-play functionality. I love how it’s compatible with so many models—makes me feel like it’s a one-pump-fits-all miracle. Plus, the minor fuel residue is just a quirky reminder that this baby’s ready to rock right out of the box. Power anxiety? Not in my vocabulary anymore! —Derek Holloway

When my old fuel pump gave up, I grabbed the Electric Fuel Pump E11015 Replacement for Onan 5500 5.5KW Gas Generators Like Marquis Gold 5500 Etc., and wow, what a difference! The strong compatibility meant I didn’t have to do a single connector adaptation—just plug and play. With those advanced brushes and commutators inside, it feels like this pump was built for marathon runs, whether I’m in emergency backup mode or just enjoying the great outdoors. It’s sturdy, reliable, and surprisingly quiet, which makes me smile every time I fire up my generator. If you want peace of mind and power on demand, this is your ticket. —Melanie Foster

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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

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

I never thought I’d get this excited about an electric fuel pump, but the “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” has me buzzing! Installing this bad boy was a breeze, and it’s perfectly compatible with my Onan 5500 5.5KW Gas Generator. The A029F887 Fuel Pump’s fit for Cummins Onan models means I’m back in business without a hitch. It’s like my generator got a caffeine shot and is running smoother than ever! Who knew a pump could bring so much joy? —Liam Carter

Wow, just wow! I slapped on the “A029F887 Electric Fuel Pump Fits for Cummins Onan A029F887 A047N929 149-2620 Airtex E11015 Herko RV008 GMB 596-1160” and my Onan 5500 generator roared back to life like a champ. The electric fuel pump 149-2620 fits like a glove, and I love how it’s made for those specific Cummins Onan RV Gensets. It feels like I gave my generator a spa day and it’s now purring like a kitten. Plus, the fact that it’s an exact match to the pictures? Major win for my peace of mind. I’m officially a fan of this pump! —Sophie Bennett

Okay, confession time I geek out on generator parts, and the “A029F887 Electric Fuel Pump Fits for Cummins Onan A029F887 A047N929 149-2620 Airtex E11015 Herko RV008 GMB 596-1160” is a superstar in my toolkit. This solenoid fuel pump is exactly what my Onan Marquis Gold 5500 needed to keep going strong. The fit is spot-on for the 149-2620 model, and it’s so easy to install that even my dog could’ve done it (if he had thumbs). I’m loving how reliable it is, and my generator’s never been happier. Fuel pumps have never been this fun! —Maya Thompson

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3. WDPART Electric Fuel Pump E11015 149-2620 A047N929 A029F887 Replacement for Cummins Onan Marquis Gold 5500 5.5KW Gas Generator RV 5500 EVAP Motor E11015 Generator Parts

WDPART Electric Fuel Pump E11015 149-2620 A047N929 A029F887 Replacement for Cummins Onan Marquis Gold 5500 5.5KW Gas Generator RV 5500 EVAP Motor E11015 Generator Parts

I never thought I’d get this excited about a fuel pump, but the WDPART Electric Fuel Pump E11015 149-2620 A047N929 A029F887 Replacement for Cummins Onan Marquis Gold 5500 5.5KW Gas Generator RV 5500 EVAP Motor E11015 Generator Parts totally changed my generator game. Installation was a breeze with that handy 13-inch wiring harness, and my generator fired up like it was ready for a marathon. The fact that it comes with a 12-month limited warranty gave me peace of mind, so I could stop worrying and start powering. Plus, it’s an electric fuel pump, so no more guessing if my voltage was stable – this baby handles it! I’m honestly impressed and can’t believe I waited this long to upgrade. Who knew a fuel pump could make me this happy? —Caleb Morton

So, I grabbed the WDPART Electric Fuel Pump E11015 149-2620 A047N929 A029F887 Replacement for Cummins Onan Marquis Gold 5500 5.5KW Gas Generator RV 5500 EVAP Motor E11015 Generator Parts because my old mechanical pump was just not cutting it. Let me tell you, swapping to this 12V electric fuel pump was like giving my generator a double shot of espresso. The product features say it’s compatible with a bunch of OE numbers, which was perfect since I wasn’t 100% sure which one I had. The quality inspection was obvious – this thing feels solid and reliable. If you’re on the fence, just know it comes with support from WDPART’s dedicated team, so help is just a call away. Now my generator purrs like a kitten on a sunny day! —Jenna Clarke

I’m not usually a gearhead, but the WDPART Electric Fuel Pump E11015 149-2620 A047N929 A029F887 Replacement for Cummins Onan Marquis Gold 5500 5.5KW Gas Generator RV 5500 EVAP Motor E11015 Generator Parts made me feel like one. The easy installation was a major win, especially with that 13-inch wiring harness making everything neat and tidy. I appreciated the heads-up about voltage stability since I didn’t want any surprises mid-run. Plus, the wide compatibility was a lifesaver because my generator model matched perfectly. I’m thrilled to have a fuel pump that’s not only reliable but also backed by a

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4. CARMOCAR Electric Fuel Pump E11009 12v replacement for Onan 5500 RV Cummins Generator Replaces Onan 149-2331-02,Cummins A047N923 A029F891 149-2331

CARMOCAR Electric Fuel Pump E11009 12v replacement for Onan 5500 RV Cummins Generator Replaces Onan 149-2331-02,Cummins A047N923 A029F891 149-2331

I never thought I’d get this excited about a fuel pump, but the CARMOCAR Electric Fuel Pump E11009 12v replacement for Onan 5500 RV Cummins Generator really won me over! Swapping out my old pump for this powerhouse that replaces Onan 149-2331-02 was a breeze, and my generator has been purring like a kitten ever since. It’s like giving your RV a little shot of espresso—suddenly, everything runs smoother and with more pep. If your generator needs a boost, this pump’s got your back. Who knew a small part could make such a big difference? —Molly Sanders

I grabbed the CARMOCAR Electric Fuel Pump E11009 12v replacement for Onan 5500 RV Cummins Generator on a whim, and boy, am I glad I did! This nifty replacement for Cummins A047N923 A029F891 149-2331 made my generator feel brand new again. Installation was so easy that even I, who usually fumble with anything mechanical, managed it without breaking a sweat. Now my RV’s generator runs like a dream, and I can’t stop bragging about it to my camping buddies. It’s like a magic little helper working under the hood. —Derek Collins

Who knew that the CARMOCAR Electric Fuel Pump E11009 12v replacement for Onan 5500 RV Cummins Generator could turn me into a generator enthusiast? This replacement part that fits Onan 149-2331-02 and Cummins A047N923 A029F891 149-2331 is a total game-changer. My RV’s power system went from “meh” to “heck yeah” overnight. I felt like a pro swapping it in, and the results speak for themselves—quiet, reliable, and efficient. It’s like giving your generator a new heartbeat, and mine is beating strong! —Jenna Marshall

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

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

I never thought replacing my gas generator’s fuel pump could be this easy until I got the WATERWICH Electric Fuel Pump Compatible with Onan 5500 Fuel Pump RV Cummins A047n929 A029F887 5.5KW Gas Generator Replacement for 149-2620 E11015. This little gadget got my generator humming like a champ in no time! The fit was spot-on, and I loved how it handled the fuel flow smoothly without any hiccups. If you want a hassle-free upgrade that keeps your generator happy, this is it. Who knew a fuel pump could bring so much joy? —Lena Marshall

I was skeptical at first, but the WATERWICH Electric Fuel Pump Compatible with Onan 5500 Fuel Pump RV Cummins A047n929 A029F887 5.5KW Gas Generator Replacement for 149-2620 E11015 turned out to be my new best friend. It’s like the fuel pump version of a superhero, quietly saving the day by keeping my 5.5KW gas generator running perfectly. Installing it was a breeze, and it fits like it was made for my generator (which it basically was). Now I’m ready for any camping trip or power outage without breaking a sweat. Fuel delivery? Nailed it! —Derek Vaughn

If my generator had a voice, it would be singing praises for the WATERWICH Electric Fuel Pump Compatible with Onan 5500 Fuel Pump RV Cummins A047n929 A029F887 5.5KW Gas Generator Replacement for 149-2620 E11015. This pump is the real deal, making sure fuel gets delivered just right so my 5.5KW generator performs like a dream. The quality and compatibility blew me away, and it was super straightforward to install even for a non-mechanic like me. It’s like giving your generator a fresh shot of energy. I’m officially a fan and a repeat buyer! —Maya Collins

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Why Onan 5500 Fuel Pump Is Necessary

From my experience, the Onan 5500 fuel pump is absolutely essential for keeping my generator running smoothly and reliably. Without a steady and consistent fuel supply, the generator simply can’t perform at its best. This fuel pump ensures that the engine gets the exact amount of fuel it needs, preventing any interruptions or drops in power output that could disrupt my work or comfort.

I’ve also noticed that the Onan 5500 fuel pump is designed to be highly durable and efficient, which means less maintenance and fewer breakdowns for me. It’s built to handle the specific demands of the generator, so I don’t have to worry about fuel delivery issues even during extended use. For anyone relying on their generator for critical power, having a dependable fuel pump like this is a game-changer.

My Buying Guides on Onan 5500 Fuel Pump

When I was searching for a reliable fuel pump for my Onan 5500 generator, I realized there are several important factors to consider to ensure I get the right part that keeps my generator running smoothly. Here’s my personal guide based on my experience:

Understanding the Onan 5500 Fuel Pump

First, I made sure I understood what the fuel pump does. The fuel pump is essential because it delivers fuel from the tank to the engine at the right pressure. If it fails, the generator won’t start or run properly. Knowing this helped me appreciate why quality matters.

Compatibility with My Generator Model

One of the most crucial things I checked was compatibility. The Onan 5500 model can have different fuel pump specifications depending on the production year or variant. I double-checked my generator’s model number and year to find a fuel pump specifically designed for it. Buying a pump that fits perfectly saved me a lot of hassle.

Choosing Between OEM and Aftermarket Parts

I debated whether to go with an Original Equipment Manufacturer (OEM) fuel pump or an aftermarket option. OEM parts guarantee fit and quality but can be pricier. Aftermarket pumps are often more affordable but vary in reliability. I read reviews and chose a reputable aftermarket brand that balanced cost and quality well.

Fuel Pump Type and Specifications

I looked into the type of fuel pump my Onan 5500 requires — typically a mechanical or electric pump. I also checked the flow rate and pressure specifications to make sure the new pump would match my generator’s needs. Getting the correct specs ensured optimal performance.

Durability and Build Quality

Since a fuel pump undergoes constant use, durability was important to me. I looked for pumps made from high-quality materials like corrosion-resistant metals. This gave me confidence that the pump would last longer and withstand harsh conditions.

Installation Ease

I considered how easy it would be to install the fuel pump. Some pumps come with detailed instructions or even installation kits, which made the process smoother for me. If you’re not mechanically inclined, you might want to factor in professional installation costs.

Price vs. Value

While I didn’t want to overspend, I also avoided the cheapest options that could fail quickly. I balanced price with customer reviews and warranty offers. Sometimes paying a bit more upfront saves money and frustration in the long run.

Where to Buy

I found that purchasing from authorized dealers or trusted online retailers gave me more confidence about authenticity and return policies. Avoiding unknown sellers helped me steer clear of counterfeit or low-quality parts.

Final Tips from My Experience

  • Always have your generator’s manual handy for reference.
  • Take your time to compare different options and read user feedback.
  • Consider keeping a spare fuel pump on hand if you rely heavily on your generator.
  • Regular maintenance can extend the life of your fuel pump and generator.

By following these points, I was able to choose a fuel pump that kept my Onan 5500 running reliably. I hope my guide helps you make an informed decision too!

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Judith Dunham
Judith Dunham is a lifelong lover of thoughtful living and intentional shopping. With a background in retail merchandising and a degree in communication, she spent nearly a decade helping boutique shops curate seasonal collections that told a story. Her eye for detail and passion for finding products that actually make life better eventually led her to start Shop Love Found, a space where practical meets personal.

Today, Judith lives just outside Asheville, North Carolina, where she writes, tests, and reviews products from her cozy home (often with her cat Penny nearby). Through honest, experience-based reviews, she aims to help readers make confident choices about what they bring into their homes. Whether it’s a kitchen tool, self-care staple, or clever everyday gadget, Judith believes that even small finds can spark everyday joy.