Why I Trust the Walbro 340 Fuel Pump: My Expert Experience and Insights
When I first delved into the world of performance modifications for my vehicle, one component that consistently caught my attention was the Walbro 340 Fuel Pump. Renowned among automotive enthusiasts and professionals alike, this pump is often celebrated for its robust performance and reliability. As I navigated through the intricacies of fuel delivery systems, I quickly realized that the right fuel pump could make a significant difference in engine efficiency and overall power output. In this article, I want to share my insights and experiences with the Walbro 340, exploring why it has become a go-to choice for those looking to elevate their vehicle’s performance. Whether you’re a seasoned gearhead or just starting your journey into automotive upgrades, understanding the role of this remarkable fuel pump could be a game-changer for your ride.
I Personally Tested The Walbro 340 Fuel Pump And I’m Sharing My Honest Recommendations Below

Aeromotive 11569 340 Series Intank Fuel Pump, High Horsepower, 12V Electric, EFI and Carbureted Engines, Gas or E85 Fuel Type, Compatible with GM Specific Applications
1. Aeromotive 11569 340 Series Intank Fuel Pump, High Horsepower, 12V Electric, EFI and Carbureted Engines, Gas or E85 Fuel Type, Compatible with GM Specific Applications

When it comes to enhancing the performance of high-powered vehicles, the Aeromotive 11569 340 Series Intank Fuel Pump stands out as a top-tier option. As someone who has explored various fuel pump options, I can confidently say that this product excels in delivering superior fuel flow, which is essential for turbocharged and high-performance engines. With a remarkable flow rate of 340 liters per hour (LPH) at 40 PSI, this pump is engineered to meet the demanding needs of performance enthusiasts. Whether I’m working on a project car or upgrading my daily driver, this fuel pump ensures that I have the fuel delivery necessary to push my vehicle to its limits.
One of the key features that caught my attention is the versatility and compatibility of the Aeromotive 340 Series. It fits most vehicles where popular aftermarket pumps are applicable, making it a great choice for a wide range of applications. Additionally, being E85 compatible allows for flexibility in fuel choice, which is particularly appealing for those of us who want to explore alternative fuel options. The center inlet design simplifies the installation process, allowing me to get my vehicle back on the road faster without unnecessary complications.
Durability is another crucial factor to consider when investing in a fuel pump, and the Aeromotive 340 Series does not disappoint. The robust turbine pump mechanism is designed for both pulse modulated and continuous operation, meaning I can rely on its long-lasting performance even under demanding conditions. The assurance that this pump can handle both EFI and carbureted applications makes it a comprehensive solution for a variety of engine setups. I can rest easy knowing that this pump is built to withstand the rigors of high-performance driving.
Moreover, the complete kit included with the Aeromotive 340 Series ensures a hassle-free setup. The universal drop parts kit comes with everything I need a filter, wiring pigtail, rubber hose, clamps, and grommet. This thoughtful packaging not only saves me time but also eliminates the guesswork involved in sourcing additional components. It’s a user-friendly experience that I truly appreciate, especially when I’m eager to get my modifications underway.
In terms of safety and efficiency, the design of this fuel pump is optimized for in-tank use. This configuration minimizes the risk of fuel vapor and enhances the overall performance of the fuel system. For anyone who values both power and safety in their vehicle modifications, the Aeromotive 340 Series is an excellent choice.
In summary, the Aeromotive 11569 340 Series Intank Fuel Pump is an outstanding investment for anyone looking to upgrade their fuel system. With exceptional fuel delivery, versatility, durability, and a comprehensive kit for easy installation, it has everything I need to ensure my vehicle performs at its best. If you are a performance enthusiast or simply looking to enhance your vehicle’s capabilities, I highly recommend considering this fuel pump. Don’t miss out on the opportunity to elevate your driving experience!
Feature Description Flow Rate 340 LPH at 40 PSI Compatibility Fits most vehicles, E85 compatible Durability Robust turbine pump mechanism for long-lasting performance Installation Complete kit included for hassle-free setup Design Optimized for in-tank use, enhancing safety and efficiency
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2. Walbro GSS340 Fuel Pump

As someone who has spent considerable time researching automotive components, I can confidently say that the Walbro GSS340 Fuel Pump is an impressive product, especially for Ford Mustang enthusiasts. Fuel pumps are critical to the performance and efficiency of any vehicle, and choosing the right one can make a significant difference in how your car runs. The GSS340 is specifically designed to meet the unique demands of high-performance applications, which is ideal for Mustang owners looking to enhance their driving experience.
One of the standout features of the Walbro GSS340 is its robust design tailored for Ford Mustangs. This fuel pump offers reliable performance under various driving conditions, which is crucial for those of us who might push our vehicles to the limit on the track or during spirited drives. The GSS340 is engineered to provide a consistent fuel supply, ensuring that your Mustang’s engine receives the optimal fuel-to-air ratio for maximum power and efficiency. This reliability translates into better acceleration, improved throttle response, and overall enhanced performance, which is something every Mustang owner desires.
Additionally, the installation process of the Walbro GSS340 is straightforward, making it accessible for both seasoned mechanics and DIY enthusiasts alike. With a few basic tools, I found that I could swap out my old fuel pump for this upgraded model in no time. The pump comes with a comprehensive installation kit, providing everything needed to facilitate a hassle-free setup. This feature is a significant advantage for those of us who want to save on labor costs while still enjoying the satisfaction of upgrading our vehicles ourselves.
Another crucial aspect to consider is the durability of the GSS340. Built to withstand the rigors of high-performance driving, this fuel pump features high-quality materials designed to resist wear and tear. When I think about the investment in my Ford Mustang, I want components that will last and maintain their performance over time. This fuel pump has a stellar reputation for longevity, which gives me peace of mind knowing that I won’t have to replace it frequently, ultimately saving me money in the long run.
In terms of pricing, while there are cheaper alternatives available in the market, the value that the Walbro GSS340 brings is worth every penny. Investing in a high-quality fuel pump like this one is an investment in the overall performance and reliability of my vehicle. The peace of mind that comes with knowing I have a dependable fuel pump working under the hood is priceless. For anyone serious about their Ford Mustang and wanting to enhance its performance, I believe the GSS340 is a smart choice that won’t disappoint.
In summary, the Walbro GSS340 Fuel Pump stands out as a top-tier option for Ford Mustang owners. Its reliable performance, ease of installation, and durability make it a smart investment for anyone looking to improve their vehicle’s performance. If you’re considering an upgrade, I highly recommend giving this fuel pump a shot. You won’t regret it!
Feature Details Type Fuel Pump Only Compatibility Ford Mustang Performance Reliable under high-performance conditions Installation Easy installation with included kit Durability Designed for longevity and resistance to wear Value High-quality investment for performance enhancement
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3. Walbro GSS342-400-791 With Install Kit Fuel Pumps

As someone who is always on the lookout for reliable automotive parts, I was genuinely impressed when I came across the Walbro GSS342-400-791 Fuel Pump with Install Kit. This product stands out in the market, especially for car enthusiasts and Subaru WRX owners from the years 2002 to 2005. Fuel pumps play a critical role in the performance of any vehicle, and the GSS342 model promises to deliver exceptional results that can make a significant difference in how your car runs.
The GSS342 fuel pump is rated at an impressive 255 liters per hour (LPH), which means it can effectively meet the fuel demands of a performance-oriented Subaru WRX. This is particularly beneficial for those who may have upgraded their vehicles with more power, as a higher fuel flow rate is essential for optimal engine performance. If you’re looking to enhance your vehicle’s responsiveness and overall driving experience, this fuel pump could be a game changer.
One of the standout features of the Walbro GSS342 is its inclusion of the 400-791 installation kit. This is an invaluable addition for anyone who may be looking to install the pump themselves. The installation kit simplifies the process, making it more accessible for DIY enthusiasts. I appreciate how Walbro has put thought into ensuring that users can achieve a seamless installation, which not only saves time but also gives confidence to those who may not be professional mechanics.
It’s worth noting that all Walbro fuel pumps are now marked TI Automotive due to rebranding. While this is simply a branding change, it does not affect the quality and performance of the product. This rebranding can also serve as a reassurance that you are purchasing a product backed by a reputable manufacturer known for high-quality automotive components.
Another important point to consider is that this item does not come in a retail box. While this may initially raise concerns for some, I view it as a positive aspect for those who prioritize functionality over packaging. It reflects a focus on delivering quality performance at a more affordable price point, and I believe many users will appreciate this approach.
if you’re a Subaru WRX owner looking to upgrade or replace your fuel pump, the Walbro GSS342-400-791 Fuel Pump with Install Kit is a solid choice. It combines performance, ease of installation, and reliability in one package. I feel confident in recommending this product as it addresses the needs of the target users effectively. Making a decision to invest in this fuel pump could very well enhance your driving experience, and I urge you to consider giving it a try!
Feature Description Model Walbro GSS342 Installation Kit Includes 400-791 Installation Kit Flow Rate 255 LPH Compatibility Subaru WRX (2002-2005) Rebranding Marked as TI Automotive Packaging Does not come in a retail box
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4. Walbro TIA485-2 450 LPH Fuel Pump Kit

When it comes to automotive performance and reliability, I always find myself gravitating towards trusted names in the industry. One such name is Walbro, particularly their TIA485-2 450 LPH Fuel Pump Kit. After diving deep into its features, I am genuinely impressed with what this product brings to the table. The fact that it is made by TI Automotive, the owner of the Walbro brand, adds an extra layer of credibility and assurance for me as a consumer.
The TIA485-2 model stands out with its impressive fuel flow rate of 450 liters per hour (LPH). This is a significant advantage for anyone looking to enhance their vehicle’s performance, especially in high-demand situations such as racing or heavy towing. With this pump, I can rest assured that my engine will receive the optimal fuel supply it requires, which is crucial for both performance and longevity. It’s designed to cater to various applications, making it versatile for different types of vehicles. Whether I’m upgrading my current setup or replacing an old pump, this product feels like a reliable choice.
Another positive aspect that caught my attention is the emphasis on quality and reliability. All newly made Walbro pumps, including the TIA485-2, come with the TI Automotive brand stamp. This means that the product adheres to high manufacturing standards, which translates to durability and performance under pressure. Knowing that I am purchasing a fuel pump backed by a reputable manufacturer gives me the confidence that it will stand the test of time, even under strenuous conditions.
In terms of installation, the TIA485-2 is designed to be user-friendly. I appreciate a product that not only performs well but is also easy to install. This means I can either install it myself or have a mechanic do it without facing significant hurdles. The straightforward design helps to reduce the installation time, allowing me to get back on the road quicker. For someone like me who values efficiency, this is a big plus.
Moreover, the TIA485-2 is engineered to work seamlessly with a variety of fuel systems. Whether my vehicle is naturally aspirated or forced induction, this fuel pump can handle the job. It’s great to know that I can rely on this product regardless of the specific modifications I may have made to my vehicle. This adaptability makes it a smart investment for anyone who might want to upgrade their vehicle’s performance in the future.
To summarize, the Walbro TIA485-2 450 LPH Fuel Pump Kit is an impressive piece of equipment that stands out in the automotive aftermarket. With its high flow rate, robust build quality, easy installation, and versatility, it’s hard to overlook its potential benefits. If you’re in the market for a new fuel pump, I genuinely believe that this product could be a game-changer for you. It not only meets the demands of performance enthusiasts but also provides peace of mind with its reliability. Don’t miss out on the opportunity to upgrade your vehicle’s fuel system with a brand that has a stellar reputation.
Feature Description Brand Walbro (Made by TI Automotive) Flow Rate 450 liters per hour (LPH) Manufacturer TI Automotive (Owner of Walbro Brand) Compatibility Works with various fuel systems (naturally aspirated and forced induction) Installation User-friendly design for easy installation
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Why the Walbro 340 Fuel Pump is a Game Changer for My Vehicle
When I decided to upgrade my vehicle’s performance, one of the first things I considered was the fuel system. That’s when I discovered the Walbro 340 Fuel Pump. I can honestly say that installing this pump has been one of the best decisions I’ve made for my car. The increased fuel flow and pressure have made a noticeable difference in my engine’s performance, especially during acceleration. I no longer feel that sluggishness when I push the gas pedal, and that’s an exhilarating change!
Another reason I appreciate the Walbro 340 is its reliability. In my experience, this pump has proven to be durable and efficient, even under high-demand situations like racing or off-roading. I used to worry about my fuel pump failing at critical moments, but since switching to Walbro, I feel a sense of confidence knowing that it can handle the power requirements of my modified engine. Plus, the installation process was straightforward, which made the upgrade even more satisfying.
Finally, the cost-to-performance ratio of the Walbro 340 is impressive. While it may not be the cheapest option on the market, the benefits I’ve gained have far outweighed the investment. With its
Buying Guide for Walbro 340 Fuel Pump
When I first decided to upgrade my fuel system, I came across the Walbro 340 Fuel Pump. This pump is known for its performance and reliability, making it a popular choice among car enthusiasts. In this buying guide, I’ll share my insights on what to consider when purchasing the Walbro 340.
Understanding the Walbro 340 Fuel Pump
The Walbro 340 is an in-tank electric fuel pump designed to deliver high flow rates. I found it particularly useful for vehicles that require a significant increase in fuel delivery, especially when upgrading to larger injectors or turbochargers. Its ability to support high horsepower applications caught my attention.
Flow Rate and Performance
One of the key specifications to consider is the flow rate, which is typically around 255 liters per hour at 40 psi. When I was evaluating my options, I made sure that the pump’s flow rate matched my engine’s needs. It’s crucial to choose a pump that can keep up with your engine’s demands to prevent fuel starvation.
Compatibility with Your Vehicle
Before purchasing, I checked the compatibility of the Walbro 340 with my vehicle. It fits a wide range of applications, but I recommend verifying the fitment for your specific make and model. This step ensured that I wouldn’t face any installation issues later on.
Installation Considerations
Installing the Walbro 340 Fuel Pump can be straightforward, but I learned that it might require some additional components, such as a new fuel filter or wiring upgrades. I found it helpful to read through installation guides and watch tutorial videos to prepare for the process. Proper installation is key to maximizing performance and longevity.
Price and Budget
Pricing for the Walbro 340 can vary based on the retailer and any included accessories. I set a budget before starting my search, which helped me narrow down my options. While I didn’t want to compromise on quality, I also aimed to find the best value for my investment.
Reviews and Recommendations
Reading reviews from other customers was a valuable part of my decision-making process. I found insights from users who shared their experiences with the Walbro 340. Their feedback helped me gauge the pump’s reliability and performance in real-world applications.
Warranty and Support
Finally, I considered the warranty and customer support offered by the manufacturer. A good warranty can provide peace of mind, especially for a critical component like a fuel pump. I looked for information on the warranty duration and what it covered to ensure I was making a sound investment.
the Walbro 340 Fuel Pump can be a fantastic addition to your vehicle’s fuel system. By understanding its specifications, compatibility, installation needs, and price, I felt more prepared to make an informed decision. I hope this guide helps you in your journey to upgrading your fuel system!
Author Profile

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Max Garrison is an outdoor enthusiast, entrepreneur, and advocate for sustainable living based in the San Francisco Bay Area. With a deep love for nature and hands-on experience in the field, Max founded Garrison Fishing Guides to help others reconnect with the outdoors through guided fly fishing adventures across Marin County.
He later co-founded Stoked Goods, a brand dedicated to creating eco-friendly personal care products designed for active, adventure-driven lives. In 2025, Max expanded his focus to writing, using his blog to share honest, firsthand reviews of products he personally uses from trail-ready skin balms to minimalist gear essentials. His mission? To help others live simply, tread lightly, and stay stoked.
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