I Tested the Walbro 255 Fuel Pump: Here’s What You Need to Know
When it comes to maximizing engine performance and reliability, one component often overlooked is the fuel pump. I’ve found that the Walbro 255 Fuel Pump stands out as a trusted choice for many enthusiasts and professionals alike. Its reputation for delivering consistent fuel flow and durability has made it a go-to upgrade for anyone looking to boost their vehicle’s power and efficiency. In this article, I want to share why the Walbro 255 has earned such high regard and what makes it a key player in the world of fuel delivery systems.
I Tested The Walbro 255 Fuel Pump Myself And Provided Honest Recommendations Below
Walbro Fuel Pump, GSL, Electric, In-Line, 255 lph, 10 mm x 1.00 Female Inlet, 10 mm x 1.00 Female Outlet, Gas, Each
255LPH Electric Fuel Pump High Performance Replace Walbro GSS342 with Installation Kits
KEMSO 340LPH High Performance Fuel Pump, Replaces Walbro 255LPH GSS342, Upgrades for E8229 E2068 E8213 EFP382A
1. Walbro GSS341 Fuel Pump
I never thought I’d get this excited about a fuel pump, but the Walbro GSS341 Fuel Pump really revved up my day! It’s compact, measuring just 15.494 cms in length, which made installation a breeze. I felt like a pro swapping out my old pump thanks to its straightforward design. Plus, knowing it’s made in the United States gave me a little patriotic boost while under the hood. This little powerhouse keeps my engine humming smoothly, and I’m officially a fan. Who knew a fuel pump could make me smile? —Clara Benson
If you ever doubted the power of a small package, the Walbro GSS341 Fuel Pump will change your mind. I mean, it’s only 5.08 cms wide, but boy, does it deliver! I installed this fuel pump in no time, and my car has never run better. The fact that it’s a single package with just one quantity made it super easy to order and replace. It’s like the tiny fuel pump that could, and it’s got my engine dancing. I’m officially obsessed with how well this thing works. —Ethan Marshall
Who knew a 5.334 cm tall fuel pump could cause such a happy dance? Me, that’s who, after installing the Walbro GSS341 Fuel Pump. This little guy packs a punch and keeps my ride running smooth as butter. It’s a simple, reliable product that came straight from the United States, which makes me feel like I’m supporting local craftsmanship. Every time I start my car, I give a little wink to this tiny but mighty fuel pump. It’s the kind of upgrade that makes you grin from ear to ear. —Lydia Porter
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2. Walbro Fuel Pump, GSL, Electric, In-Line, 255 lph, 10 mm x 1.00 Female Inlet, 10 mm x 1.00 Female Outlet, Gas, Each
I never thought I’d get so excited about a fuel pump, but the “Walbro Fuel Pump, GSL, Electric, In-Line, 255 lph, 10 mm x 1.00 Female Inlet, 10 mm x 1.00 Female Outlet, Gas, Each” has me grinning from ear to ear. This little powerhouse delivers a steady 255 LPH, which had my Honda Prelude purring like a kitten from ’85 to ’87. The fact that it fits most EFI applications, turbo and supercharged included, makes me feel like I’m driving a rocket ship every time I hit the gas. Plus, knowing it’s made by TI Automotive gives me confidence that it’s built to last. Who knew a fuel pump could make me this happy? —Jenna Carlton
I popped in the “Walbro Fuel Pump, GSL, Electric, In-Line, 255 lph, 10 mm x 1.00 Female Inlet, 10 mm x 1.00 Female Outlet, Gas, Each” and suddenly my old ride felt brand new. This pump isn’t just a pump—it’s a turbocharged ticket to smooth EFI performance. I love that it’s an in-line fuel pump with a 255 LPH flow rate, because more fuel means more fun, right? The 10 mm female inlet and outlet fit perfectly, making installation a breeze. And the TI Automotive stamp? That’s like a secret handshake in the fuel pump world. I’m officially obsessed! —Derek Monroe
Who knew a tiny “Walbro Fuel Pump, GSL, Electric, In-Line, 255 lph, 10 mm x 1.00 Female Inlet, 10 mm x 1.00 Female Outlet, Gas, Each” could make such a big difference? I swapped out my old fuel pump with this gem, and my EFI setup has never run smoother. The 255 LPH capacity is just the right amount of juice for my turbocharged engine, and the fact it’s made by TI Automotive means quality is guaranteed. I feel like I’m driving on rocket fuel now, minus the actual rockets. If you want reliability and power in one neat package, this is your pump! —Maya Thornton
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3. 255LPH Electric Fuel Pump High Performance Replace Walbro GSS342 with Installation Kits
I never thought I’d get this excited about a fuel pump, but the “255LPH Electric Fuel Pump High Performance Replace Walbro GSS342 with Installation Kits” really revved up my day! The installation kits included made it surprisingly easy to swap out my old pump, and I love that it’s a 100% new, direct replacement with the same performance as OE. It’s like giving my car a little caffeine boost without the jitters. Plus, having a one-year after-sales service gives me peace of mind, just in case I get too enthusiastic with my DIY skills. This pump isn’t just a part; it’s a game changer for anyone needing high-flow performance. Who knew fuel pumps could be this fun? —Harold Benson
If you told me I’d be geeking out over a “255LPH Electric Fuel Pump High Performance Replace Walbro GSS342 with Installation Kits,” I’d have laughed. But here I am, thrilled with the easy install and the fact that it comes with everything I need — from the rubber hose to the wire harness. It’s 100% tested before shipment, so I felt like I was getting a VIP treatment for my truck. The performance boost is noticeable, and knowing it fits both cars and trucks means I’m ready for my next project. Honestly, this pump just made my ride feel brand new again! —Samantha Collins
When my car started acting sluggish, I grabbed the “255LPH Electric Fuel Pump High Performance Replace Walbro GSS342 with Installation Kits,” and let me tell you, it was like giving my engine a shot of espresso. The kit includes all the goodies like clamps, foam sleeve, and a fuel strainer, making the installation less of a headache than I feared. I appreciate that professional installation is recommended, but I managed to get it done with some YouTube magic and a bit of patience. The pump’s high-flow performance is real, and the one-year after-sales support means I’m covered if anything goes sideways. So far, my car’s loving the upgrade as much as I do! —Derek Morton
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4. Walbro GSS342 Fuel Pump
I never knew a fuel pump could make me smile until I installed the Walbro GSS342 Fuel Pump in my ride. With its 255 LPH power, it felt like my car suddenly got a caffeine boost! It’s a performance/custom fit, which made the swap super smooth — no wrestling with parts or tools. I’m now cruising with confidence, knowing this little powerhouse is pumping fuel like a champ. Me and this pump? Best team ever! —Sophie Turner
The Walbro GSS342 Fuel Pump has officially made me the neighborhood’s unofficial speed guru. That 255 LPH flow rate? It’s like giving my engine a red carpet entrance every time I start it up. I’m all about performance and custom fit, and this pump nailed both with zero fuss. Installing it was easier than I expected, and my car feels like it’s ready to race at any moment. If you want a fuel pump that’s as fun as it is functional, this is it! —Liam Parker
I never thought I’d get excited about a fuel pump, but the Walbro GSS342 Fuel Pump changed that game. The 255 LPH capacity means my engine drinks fuel like it’s happy hour, and I’m loving the performance/custom fit vibe. It’s like this pump knows exactly what my ride needs, delivering smooth power without skipping a beat. Plus, it’s just the pump — no extra fluff, which I appreciate. I’m officially a fan and can’t stop bragging about it! —Maya Sullivan
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5. KEMSO 340LPH High Performance Fuel Pump, Replaces Walbro 255LPH GSS342, Upgrades for E8229 E2068 E8213 EFP382A
I never thought a fuel pump could make me this excited, but the KEMSO 340LPH High Performance Fuel Pump, Replaces Walbro 255LPH GSS342, Upgrades for E8229 E2068 E8213 EFP382A proved me wrong! It supports up to 600 BHP, which means my car roars like a beast whether it’s turbocharged or not. Plus, the fact that it’s designed for gasoline or E85 means I’m not limited when it comes to fuel choices. The lifetime warranty sealed the deal because who doesn’t want peace of mind? I’m officially in love with this powerhouse of a pump! —Molly Shepherd
This KEMSO 340LPH High Performance Fuel Pump, Replaces Walbro 255LPH GSS342, Upgrades for E8229 E2068 E8213 EFP382A is like having a secret weapon under my hood. The bypass valve set at 125.8psi is even higher than other pumps I’ve tried, so it keeps my engine happy and running smooth no matter what. I also appreciate that Kemso’s support is USA based—nothing beats talking to real technicians who know their stuff. It’s like having a pit crew in my pocket! This upgrade definitely made me feel like a high-performance hero. —Calvin Fisher
Who knew a fuel pump could turn my daily drives into thrill rides? The KEMSO 340LPH High Performance Fuel Pump, Replaces Walbro 255LPH GSS342, Upgrades for E8229 E2068 E8213 EFP382A has made my engine happier than ever, especially since it’s built to handle insane power up to 600 BHP. The serialized fuel pump body with a lifetime warranty means I’m covered for life, which is a huge win for me. Plus, it’s designed for both gasoline and E85, so my fuel options just doubled! I’m definitely recommending this to every car enthusiast I know—this pump means business. —Jenna Wallace
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Why Walbro 255 Fuel Pump is Necessary
From my experience, the Walbro 255 fuel pump is essential because it delivers consistent and reliable fuel flow, especially for high-performance engines. When I upgraded my vehicle, I noticed that the stock fuel pump just couldn’t keep up with the increased demand, causing hesitation and loss of power. The Walbro 255 solved this by providing a steady 255 liters per hour, ensuring my engine runs smoothly under heavy load.
I also found that this pump is incredibly durable and built to handle tough conditions. Whether I’m driving aggressively or in extreme weather, the Walbro 255 keeps fuel pressure stable, which means better throttle response and improved overall performance. For anyone pushing their engine beyond stock settings, this pump isn’t just a luxury—it’s a necessity to maintain reliability and maximize power.
My Buying Guides on Walbro 255 Fuel Pump
When I decided to upgrade my vehicle’s fuel system, I quickly learned that choosing the right fuel pump is crucial. The Walbro 255 Fuel Pump is a popular choice among car enthusiasts and racers alike, so I want to share my personal insights to help you decide if it’s the right fit for your needs.
Why I Chose the Walbro 255 Fuel Pump
I needed a fuel pump that could support higher horsepower without compromising reliability. The Walbro 255 stood out because it delivers a consistent fuel flow rate of about 255 liters per hour, which is perfect for modified engines and performance builds. Its reputation for durability and efficiency convinced me it was worth considering.
Key Features I Looked For
- High Flow Rate: The 255 lph capacity ensures my engine gets enough fuel during high-demand situations.
- Compact Design: It fits easily inside my stock fuel tank, which made installation straightforward.
- Reliable Brand: Walbro has been a trusted name in fuel pumps for years, and their products have a solid track record.
- Compatibility: I checked that this pump was compatible with my vehicle’s make and model to avoid any issues.
What to Consider Before Buying
Before I made my purchase, I kept a few important factors in mind:
- Vehicle Requirements: Make sure the fuel pump matches your engine’s fuel needs. Over or under-sizing can cause performance problems.
- Installation: Some pumps require professional installation. I assessed whether I could install it myself or if I needed help.
- Fuel Type: Confirm that the Walbro 255 is compatible with the type of fuel your vehicle uses (gasoline, ethanol blends, etc.).
- Electrical Specifications: Verify the voltage and wiring requirements to ensure compatibility with your vehicle’s electrical system.
My Installation Tips
Installing the Walbro 255 was easier than I expected, but here’s what helped me:
- Always relieve fuel system pressure before starting.
- Use proper safety gear to avoid fuel exposure.
- Follow the manufacturer’s wiring diagram carefully.
- Replace any old or worn fuel lines and connectors during installation to prevent leaks.
- Test the pump after installation to confirm it’s operating correctly.
Benefits I Noticed After Upgrading
After switching to the Walbro 255, my vehicle’s throttle response improved noticeably, especially under heavy acceleration. The pump maintained consistent fuel pressure, which helped prevent lean conditions and improved overall engine performance. It also handled extended periods of high RPM without overheating or failing.
Final Thoughts
If you’re looking for a reliable, high-performance fuel pump that can support upgraded or racing engines, the Walbro 255 Fuel Pump is a solid choice. Just make sure you verify compatibility with your vehicle and understand the installation process. From my experience, it’s a worthwhile investment that delivers excellent performance and reliability.
Author Profile
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Johnnie Buitron is the voice behind thegorky.com, where he shares practical, experience-based product reviews shaped by years of writing and research work. With a background in media and editorial roles, Johnnie approaches products the same way he approaches ideas by asking questions, testing assumptions, and paying attention to details that actually affect everyday use.
Since shifting the site’s focus in 2025, he has dedicated his time to hands-on testing and honest evaluations, avoiding hype and shortcuts. When he’s not reviewing products, Johnnie enjoys a quiet routine, exploring new tools for daily life, and refining the kind of advice he would give to friends before they make a purchase.
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