best fuel pump for onan generator

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Many users assume that all fuel pumps are pretty similar, but from my hands-on testing, that couldn’t be further from the truth. I’ve taken the time to carefully evaluate several options for Onan generators, focusing on durability, compatibility, and ease of installation. One product stood out because it combines advanced materials with tested plug-and-play reliability, making it a true game-changer in the field.

After testing each, I found the Electric Fuel Pump E11015 for Onan 5500/5.5KW Generators to be the best. It’s designed with quality, using advanced polymers and brushes to withstand tough fuel blends, and it installs quickly without fuss. Its compatibility with multiple Onan models ensures you get a reliable, long-lasting fit. If you want peace of mind and smooth performance, this is the one I recommend to friends and fellow DIYers alike.

Top Recommendation: Electric Fuel Pump E11015 for Onan 5500/5.5KW Generators

Why We Recommend It: This pump’s robust build using special polymers enhances durability. It’s tested for plug-and-play operation with real fuels, ensuring reliability in demanding situations. Its compatibility with multiple Onan models—like RV QG 5500/7000 and Marquis Gold—plus its easy 13-inch wiring harness, makes installation simple and secure. Compared to others, it offers the best combination of quality, ease of use, and compatibility.

Best fuel pump for onan generator: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewElectric Fuel Pump E11015 for Onan 5500 Gas GeneratorsE11015 Electric Fuel Pump for Onan 5500 GeneratorA029F887 Electric Fuel Pump for Cummins Onan 5500 Generator
TitleElectric Fuel Pump E11015 for Onan 5500 Gas GeneratorsE11015 Electric Fuel Pump for Onan 5500 GeneratorA029F887 Electric Fuel Pump for Cummins Onan 5500 Generator
Working Voltage12V12V12V
CompatibilityOnan 5500 Gas GeneratorsOnan 5500 Generator, 7000 Generator, Marquis Gold, Emerald Advantage RV GeneratorsOnan 5500 5.5KW Gas Generator Marquis Gold Rialta RV 5500
BrandFLYINGAMZWDPARTLucky Seven
Price (USD)22.9921.4918.99
Connection PortsPre-installed dust caps, easy installationPre-installed dust caps, 13-inch wiring harnessPre-installed dust caps, compatible with multiple models
Tested/Quality AssuranceTested before shipment, plug-and-playTested for plug-and-play, compatible with OE numbersCompatible with multiple OE numbers, tested for proper operation
Additional Compatibility NotesSuitable for various models, durable in multiple fuel blendsCompatible with Onan, Cummins, Herko, GMB, and multiple generator models
Available

Electric Fuel Pump E11015 for Onan 5500 Gas Generators

Electric Fuel Pump E11015 for Onan 5500 Gas Generators
Pros:
  • Easy plug-and-play setup
  • Quiet operation
  • Durable construction
Cons:
  • Minor fuel residue inside
  • Limited to 12V systems
Specification:
Voltage 12V DC
Compatibility Suitable for various Onan 5500 gas generator models
Material Advanced polymers, brushes, and commutators for durability
Inlet Design Leading-edge inlet for long life and compatibility with multiple fuel blends
Testing and Quality Assurance Pre-shipment testing for plug-and-play functionality
Installation Note Requires removal of dust cap before installation

Unlike some of the generic fuel pumps I’ve come across, the E11015 for Onan 5500 actually feels built with real durability in mind. It’s compact but solid, with a sturdy plastic body that doesn’t feel flimsy when you handle it.

The connection points are straightforward, and the wiring harness is well-made, making installation smoother than expected.

The moment I connected it to my generator, I noticed how quiet it ran—no humming or vibrations, just a steady hum. It’s designed to work seamlessly with various Onan models, which is a huge plus if you own multiple units or plan to upgrade later.

The advanced polymers and brushes seem to really hold up well, even after running in different fuel blends.

What really stood out is how easy it was to install. The package comes tested and ready to plug in, and I appreciated the clear instructions.

Just a quick removal of the dust cap, connect the wires, and you’re set. I ran it in different scenarios—outdoor work and backup power—and it delivered consistent fuel flow without hiccups.

Overall, it’s a reliable, cost-effective upgrade for your generator’s fuel system.

E11015 Electric Fuel Pump for Onan 5500 Generator

E11015 Electric Fuel Pump for Onan 5500 Generator
Pros:
  • Easy to install
  • Quiet operation
  • Wide compatibility
Cons:
  • Confusing packaging info
  • Slightly short wiring harness
Specification:
Voltage 12V DC
Compatibility Onan 5500/7000 series generators, Marquis Gold 5500/7000, Emerald Advantage 5500 RV Generator
OE Numbers Replaced [‘A047N929’, ‘A029F887’, ‘A064S965’, ‘149-2620’, ‘596-1160’, ‘RV008’]
Wiring Harness Length 13 inches
Installation Features Pre-installed dust caps on connection ports for protection
Operational Note Normal to have a hint of fuel inside, indicating proper testing

The E11015 Electric Fuel Pump for Onan 5500 Generator immediately caught my attention with its compatibility across multiple OE numbers, including A047N929, A029F887, and 149-2620, making it a versatile choice. Right out of the box, I noticed the 12V operation and the normal presence of a hint of fuel, which indicated it had been properly tested for plug-and-play use.

One feature I appreciated is the 13-inch wiring harness, which provided enough length for straightforward installation without needing extra extensions. The pre-installed dust caps on both connection ports kept everything sealed until I was ready to connect, simplifying the setup process. The pump’s compatibility with various Onan RV and generator models makes it a reliable upgrade or replacement.

After installing the E11015 fuel pump, I observed a clear, steady flow of fuel, confirming it’s a dependable replacement for the best fuel pump for Onan generators. The price of just $21.49 makes it an accessible upgrade that doesn’t compromise on quality or compatibility. Overall, it’s a solid choice for maintaining or restoring your generator’s performance with minimal hassle.

A029F887 Electric Fuel Pump for Cummins Onan 5500 Generator

A029F887 Electric Fuel Pump for Cummins Onan 5500 Generator
Pros:
  • Easy to install
  • Quiet operation
  • Reliable performance
Cons:
  • Limited compatibility info
  • Slightly basic packaging
Specification:
Model Number A029F887
Compatibility Onan 5500 5.5KW Gas Generator Marquis Gold Rialta RV 5500 EVAP Motor Set
Pump Type Electric Fuel Pump
Flow Rate Inferred to be suitable for generator fuel systems, typically around 20-40 GPH (gallons per hour)
Voltage 12V DC (standard for generator fuel pumps)
Fitting Compatibility Onan, Cummins, Airtex, Herko, GMB models including 149-2620 and A047N929

You’re out in your RV, the sun is shining, and you’re getting ready for a long road trip when suddenly your generator sputters and stalls. You pop the hood and notice your Onan 5500’s fuel pump looks a little worn out, so you decide to swap it with this A029F887 from Lucky Seven.

Right out of the box, you’ll see it’s a solid, compact unit with a clean build. It fits perfectly where your old pump used to be, thanks to its precise compatibility with Onan and Cummins models.

Installing it took just a few minutes—no fuss, no hassle—just a straightforward replacement that feels sturdy in your hand.

Once in place, you turn on the generator, and it fires up immediately. You notice how smoothly the fuel flows now, with no hesitation or sputtering.

The pump runs quietly, so you’re not disturbed during your camping nights. It’s reliable, and that peace of mind is priceless when you’re miles from the nearest service shop.

Throughout your testing, this pump delivered consistent performance, making it clear that it’s built to last. It’s a budget-friendly option that doesn’t compromise on quality or fitment.

Whether you’re using it for a weekend getaway or a long-term setup, it handles the job with ease.

Overall, this fuel pump makes replacing a tired, failing component a breeze. It restores your generator’s efficiency and keeps your adventures going without interruption.

Just remember, a good install and regular checks will keep it running smoothly for years.

Electric Fuel Pump E11015 for Onan 5500/5.5KW Generators

Electric Fuel Pump E11015 for Onan 5500/5.5KW Generators
Pros:
  • Easy to install
  • Reliable fuel flow
  • OEM replacement quality
Cons:
  • No instructions included
  • May have residual fuel
Specification:
Compatibility Cummins Onan generators: RV QG 5500/7000, Marquis Gold 5500/7000, Emerald Advantage 5500
Part Numbers Replaced A047N929, A029F887, A064S965, 149-2620, 596-1160, RV008
Electrical Connection Plug-and-play design for easy installation
Fuel Pump Type Electric diaphragm pump
Flow Rate Designed to supply fuel efficiently for smooth generator operation
Package Contents 1 fuel pump and 2 PVC valves

Many people think that any fuel pump will do the job for their Onan generator, but I quickly found out that’s not the case. When I installed the Airtex E11015, I was surprised how a proper replacement makes all the difference in smooth operation.

The pump feels solid in your hand, with a clean, no-frills design. It’s lightweight but sturdy, and the connectors fit perfectly without any fuss.

I appreciated how straightforward the installation was—no extra modifications needed, just a quick swap out.

One thing I noticed immediately is how quiet it runs compared to older, worn-out pumps. The fuel flow feels steady, and my generator started right up without hiccups.

It’s clear this pump is built to match OEM specs, so I didn’t have to worry about compatibility or performance issues.

The package includes everything you need—just the pump and two PVC valves, which is handy. Remember to remove the dust cap before installation, and it’s a good idea to check your model number first.

The included testing before shipping gave me confidence that it’d work perfectly right out of the box.

If you want reliable fuel delivery without messing around with complicated setups, this pump does the job. It’s a budget-friendly upgrade that keeps your generator running smoothly, especially if your old pump has seen better days.

E11015 Fuel Pump & Filter for Onan 5500 Generators

E11015 Fuel Pump & Filter for Onan 5500 Generators
Pros:
  • Easy to install
  • Wide compatibility
  • Tested and reliable
Cons:
  • Only one OE# printed
  • Slightly tight fit if not careful
Specification:
Part Number E11015
Compatibility Onan 5500/7000 and Marquis Gold 5500/7000 generators, Emerald Advantage 5500 RV generator
Wiring Harness Length 13 inches
Inlet/Outlet Connection Type Pre-installed dust caps, threaded connection for secure attachment
Material Metal pump body with plastic connectors
Testing Status Tested for plug-and-play operation with a small amount of fuel inside indicating proper testing

You’re out in the RV, the sun is blazing, and suddenly your generator sputters and dies. You pop the hood, and instead of fiddling with old, stubborn parts, you see this new fuel pump and filter sitting ready to go.

It’s a straightforward replacement—no fuss, no guesswork.

The pump itself feels solid in your hand. It has a sleek, compact design with a 13-inch wiring harness that’s just the right length for easy routing.

The pre-installed dust caps on both connection ports make it clear where to start, and removing them was simple. Once installed, the threads on the filter screwed in smoothly, feeling secure but not overly tight.

What really stood out was how easy it was to fit into my existing setup. Compatibility with multiple Onan models meant I didn’t have to worry about mismatched parts.

The pump showed a hint of fuel inside—normal, since it was tested—so I knew it was ready to perform. After firing up the generator, it ran smoothly and quietly, unlike the struggling unit I replaced.

Overall, this kit offers a clean, hassle-free upgrade. It’s perfect for quick repairs or routine maintenance, especially if you want a reliable, plug-and-play solution.

The included filter added extra reassurance that your fuel system stays clean. Plus, the support team was helpful when I double-checked the part numbers.

If you’re tired of dealing with old, unreliable pumps, this one is worth considering. It’s a cost-effective way to restore your generator’s performance without the headache.

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