When it comes to high-performance vehicles, selecting the right fuel pump can make a significant difference. EFI external fuel pumps are popular for their efficiency and reliability. They play a key role in delivering fuel at the right pressure and flow rate, which is essential for optimal engine performance. This article reviews some of the best EFI external fuel pumps available on the market. Each option is assessed based on performance, durability, and user reviews. Whether for daily driving or racing, finding the right fuel pump can enhance the overall driving experience.
List of Top 5 best efi external fuel pump

View on Amazon

View on Amazon

View on Amazon

View on Amazon

View on Amazon
Top 5 best efi external fuel pump Reviews
In this section, we present a selection of the best EFI external fuel pumps available on the market. These pumps are essential for delivering fuel efficiently and reliably to high-performance engines. Each review highlights the key features, benefits, and potential drawbacks of the top five options. The aim is to provide clear and concise information to help readers make informed decisions when selecting a fuel pump for their needs.
High Flow 12V Electric Fuel Pump 300LPH
Specifications:
– Fit for 12V DC EFI system only.
– Test Flow: 200 LPH at 75 PSI and 12V; 255 LPH at 43 PSI and 12V; 300 LPH at 43 PSI and 13.5V.
– Operating Pressure: 75 PSI.
– Operating Temperature Range: -68 °F to 194 °F.
– Compatible with gasoline, pump gas, race gas, diesel, E85, and alcohol/ethanol.
– Recommended to install below the tank to allow gravity-fed fuel from the tank.
– Installation instructions are included.
The 12V DC EFI fuel pump offers impressive flow rates of up to 300 LPH, accommodating various fuels including gasoline and E85. Designed for efficient installation below the tank, it operates under a wide temperature range and pressure. Clear instructions are provided, making setup straightforward.
Pros:
– Designed specifically for 12V DC EFI systems, providing targeted compatibility.
– High test flow rates of 200 LPH at 75 PSI and up to 300 LPH at 43 PSI, ensuring adequate fuel delivery.
– Versatile medium compatibility, working with gasoline, diesel, E85, and various fuel types.
Cons:
– Installation must be below the tank, which may limit placement options.
– Operating temperature range is broad but may not be suitable for extreme conditions outside specified limits.
– Requires careful adherence to installation instructions for optimal performance.
Best For:
This product is best suited for users with a 12V DC EFI system who require a high-flow fuel pump compatible with various fuel types, including gasoline, diesel, and E85, and who can follow installation instructions to position the pump below the fuel tank for optimal performance.
GSL392 Fuel Pump and Regulator Kit – 58 PSI Inline Fuel Pump, 255 LPH High Pressure, EFI Conversion, 6AN Fittings.
Specifications:
– Replacement fuel filter regulator provides 58 PSI fuel pressure.
– Includes 6AN adapter fittings for LS Swap applications.
– Features a 10 micron fuel filter to protect engine operation.
– GSL392 high pressure fuel pump designed for racing and performance vehicles.
– Capable of delivering fuel at 80 PSI, flowing approximately 132 liters per hour.
– Alternative HP fuel pump can flow over 210 liters per hour at 80 PSI.
– GSL392-400-939 Inline Fuel Pump suitable for EFI applications.
– Compatible with turbocharged and supercharged systems.
– Fuel pressure regulator compatible with various Chevy LS-based engines.
– Replaces multiple part numbers for fuel filter regulators and pumps.
– OEM design includes mounting bracket and rubber insulator for easy installation.
– Creates a returnless fuel supply for LS engine swaps and EFI conversions.
– Bypass regulator returns excess fuel to the tank.
– Kit includes various fittings for installation.
– Comes with a 12-month warranty and lifetime technical support.
– Replacement options available for any failures in the fuel pump kit.
The replacement 58 PSI fuel filter regulator and GSL392 high pressure fuel pump kit offers excellent performance for LS engine swaps. With 10-micron filtration, it ensures clean fuel delivery while the high pressure pump meets the demands of turbocharged vehicles. Installation is straightforward, making it a reliable choice for EFI…
Pros:
– The replacement fuel filter regulator kit delivers a consistent fuel pressure of 58 PSI, ensuring proper fuel delivery to the engine.
– The kit includes a 10 micron fuel filter that protects the engine and extends its service lifespan.
– The GSL392 high-pressure fuel pump is designed for high-performance applications, supporting up to 255 liters per hour at 80 PSI.
Cons:
– The installation may require additional tools and expertise, which could be challenging for some users.
– Compatibility is limited to specific LS-based engines, which might not suit all vehicle types.
– The reliance on multiple components increases complexity, potentially leading to more points of failure.
Best For:
This product is best suited for automotive enthusiasts and professionals working on LS engine swaps or electronic fuel injection conversions, particularly for those requiring reliable high-pressure fuel delivery and filtration in performance or racing applications.
High Flow Electric Fuel Pump 300LPH 12V with Bracket Clamp
Specifications:
– The external fuel pump is designed for use with 12V DC electric injection systems.
– Test flow rates are as follows: 200 LPH at 75 PSI and 12V, 255 LPH at 43 PSI and 12V, and 300 LPH at 43 PSI and 13.5V.
– The operating pressure of the pump is 75 PSI.
– It operates within a temperature range of -68 °F to 194 °F.
– This fuel pump is compatible with various fuel types including gasoline, pump gas, race gas, diesel, E85, and alcohol/ethanol.
– For installation, it is recommended to position the pump below the fuel tank to allow gravity feed from the tank.
– Installation instructions are included with the product.
This external fuel pump is designed for 12V DC electric injection systems and delivers impressive flow rates of up to 300 LPH. It operates efficiently across a wide temperature range and is compatible with various fuel types, including gasoline and E85. Installation beneath the tank is recommended for optimal performance.
Pros:
– The external fuel pump is compatible with various fuel types, including gasoline, diesel, and E85.
– It offers a high test flow rate, reaching up to 300 LPH at certain pressures, which can enhance performance.
– Installation instructions are included, simplifying the setup process when installed below the fuel tank.
Cons:
– The pump is limited to a 12V DC electric injection system, which may restrict compatibility with some vehicles.
– Operating temperature range may not be suitable for extreme conditions, potentially impacting performance.
– The installation requirement of being positioned below the tank may complicate setups in certain vehicle designs.
Best For:
This external fuel pump is best suited for automotive applications requiring a 12V DC electric injection system, particularly for users who need a reliable solution for fueling with gasoline, diesel, or alcohol-based fuels in a range of temperatures.
Pindex Universal In-Line Fuel Pump – 116 PSI High Pressure 12V Electric Pump for Injection Systems, Compatible with Select Part Numbers, Red.
Specifications:
– Compatible with multiple part numbers including 0580453911, 0580463017, and others.
– Operation pressure range of 5 to 8 bar, equivalent to 72.5 to 116 PSI.
– Flow rate of 120 liters per hour at 6.0 bar, approximately 31.7 gallons per hour at 87 PSI.
– Flow rate of 100 liters per hour at 7.0 bar, which is around 26.4 gallons per hour at 101.5 PSI.
– Specifications include an inlet size of ½ inch (12mm) and an outlet size of ¼ inch (8mm).
– Maximum pressure of 5 to 8 bar, or 72.5 to 116 PSI.
– Includes terminals and dust covers.
– Color is red.
– Performance test records show varying flow rates at different pressures.
– Flow rates recorded at 0 bar to 7 bar range from 250 liters per hour to 100 liters per hour at 12V.
– Constructed from all-copper engine materials for improved performance and reduced fuel consumption.
– Features a thick metal shell that resists corrosion and oxidation.
– Suitable for turbo and non-turbo gas fuel injection systems up to 250 brake horsepower.
– Package includes one high flow external fuel pump, one mounting clamp, two rubber connection covers, two insulated terminals, two nuts, two gaskets, and one bolt for the bracket.
– Intended for gasoline and diesel use only, not suitable for fuels containing methanol or ethanol, or for pumping water or oil.
This high flow external fuel pump delivers impressive performance with a flow rate of up to 250LPH. Its all-copper engine enhances efficiency while the durable metal shell resists corrosion. Compatible with multiple part numbers, it operates effectively in gas fuel injection systems up to 250bhp. Includes essential mounting accessories for…
Pros:
– The product is compatible with a wide range of part numbers, increasing its versatility for various applications.
– It offers a good operational pressure range of 5-8 bar, which is suitable for many fuel injection systems.
– The all-copper engine construction enhances performance and reduces fuel consumption, while the durable metal shell resists corrosion and oxidation.
Cons:
– The pump is limited to gasoline and diesel only, making it unsuitable for fuels containing methanol or ethanol.
– The maximum flow rate at higher pressures decreases significantly, which may impact performance in certain conditions.
– The included components may not suffice for all installation needs, potentially requiring additional purchases for proper setup.
Best For:
This high flow external fuel pump is best suited for automotive enthusiasts and professionals looking to enhance the performance of turbo or non-turbo gasoline fuel injection systems up to 250bhp, especially those needing a reliable solution for applications requiring pressures between 5 to 8 bar.
High Flow Electric Fuel Pump 300LPH 12V/13.5V E85 Compatible AN10 Inlet AN6 Outlet
Specifications:
– OEM Part Number: 0580254044, 044, 99362010480.
– Application: Fuel Pump with multiple flow rates; 200 LPH under 75 PSI at 12V, 255 LPH under 43 PSI at 12V, 300 LPH under 43 PSI at 13.5V. Operating pressure is 75 PSI. Operating temperature range is from -68 °F to 194 °F.
– Installation: Recommended installation location is below the tank. This setup helps prevent fuel from flowing back and allows gravity feeding from the fuel tank.
– Medium: Compatible with gasoline, pump gas, race gas, diesel, E85, and alcohol/ethanol.
– Warranty: The external fuel pump comes with a 6-month warranty.
This fuel pump is a reliable choice for various applications. It delivers up to 300 LPH and operates efficiently under different pressures and temperatures. Its compatibility with multiple fuel types enhances versatility. Installation below the tank is recommended for optimal performance. A six-month warranty adds peace of mind.
Pros:
– This fuel pump has multiple application options, supporting various flow rates and pressures.
– It is compatible with a wide range of fuels, including gasoline, diesel, and E85.
– The installation recommendation to position it below the tank can enhance fuel delivery efficiency.
Cons:
– The warranty period is limited to six months, which may not provide sufficient coverage for long-term use.
– Operating temperatures range from -68 °F to 194 °F, which may not be suitable for all climates.
– Installation may require specific expertise to ensure proper setup and function.
Best For:
This fuel pump is best suited for automotive enthusiasts and professionals looking for a reliable solution compatible with various fuels, including gasoline and diesel, while requiring installation below the tank to optimize performance and prevent fuel flow issues.
Things to Consider Before Buying best efi external fuel pump
Before buying an EFI external fuel pump, several factors can influence the decision. Performance specifications, compatibility with your vehicle, and installation requirements are key elements to evaluate. Understanding these aspects will help in selecting the most suitable pump for your needs.
Choosing the Right Flow Rate
When selecting an external fuel pump, the flow rate is a key factor. The pump must deliver enough fuel to meet the engine’s requirements without causing starvation or excessive pressure. Understanding the specific needs of the engine will help in selecting a pump that can deliver the right amount of fuel efficiently.
Compatibility with the Fuel System
Compatibility is another important aspect when buying an external fuel pump. The pump should work seamlessly with the existing fuel system, including the fuel lines and injectors. Ensuring that the pump fits well with the vehicle’s specifications will prevent potential issues and enhance overall performance.
Durability and Reliability
Durability and reliability are critical for any fuel pump. A well-constructed pump will withstand the harsh conditions under the hood and provide consistent performance over time. Researching brands known for quality can lead to a more dependable choice, reducing the risk of premature failure.
FAQ for best efi external fuel pump
What features should be considered when choosing an EFI external fuel pump?
Key features include flow rate and pressure ratings. Compatibility with the vehicle’s fuel system is also important for optimal performance.
How do EFI external fuel pumps differ from traditional pumps?
EFI external fuel pumps are designed for higher pressure and flow rates. They provide better fuel delivery for modern engines compared to traditional pumps.
What are some reputable brands for EFI external fuel pumps?
Brands such as Walbro, AEM, and Bosch are recognized for their quality and reliability. These brands often receive positive reviews from users for performance and durability.
How do you install an EFI external fuel pump?
Installation typically involves mounting the pump in a suitable location and connecting it to the fuel lines and electrical system. Following the manufacturer’s instructions is essential for proper setup.
What maintenance is required for EFI external fuel pumps?
Regular inspection of the pump and fuel lines is recommended to detect any leaks or wear. Cleaning the fuel filter periodically can also help maintain the pump’s performance.
Conclusion
The blog provides a detailed overview of the best external EFI fuel pumps currently available. Each review highlights key features, performance metrics, and user feedback to assist potential buyers in making an informed decision. Selecting the right fuel pump can enhance vehicle performance and reliability, making this information valuable for anyone in the market.
- 1999 Toyota Land Cruiser Transmission Fluid Capacity - 28 February 2025
- D21065 Vs Dexron2: Key Differences And Performance Comparison - 28 February 2025
- 2018 Nissan Altima Transmission Fluid Capacity - 28 February 2025