7 Best Fuel Pumps for Evo 8 Expert-Tested in 2025

Alright, fellow Evo enthusiasts, let’s talk fuel pumps! If you’re anything like me, you know that keeping your Evo 8 running strong, especially when pushing more power, hinges on one critical component: the fuel pump. I’ve spent countless hours under the hood, wrenching, tuning, and learning what makes these legendary machines tick. When it comes to the heart of your fuel delivery system, reliability and performance are non-negotiable. This isn’t just about throwing any old pump in there; it’s about understanding what your Evo 8 needs to prevent fuel starvation, maintain consistent pressure, and ultimately, keep those cylinders firing perfectly. In this guide, I’ve dug into a selection of fuel pumps and related components, aiming to give you a clear, no-nonsense look at what’s out there. We’ll cover everything from essential connectors to different types of pumps, helping you make an informed decision for your beloved Evo 8.

IMAGE	PRODUCT NAME	AMAZON LINK
	OEM Fuel Pump Housing Connector (EVO 7-8-9)	View on Amazon
	CarBole 12 Volt Electric Fuel Pump 5-9 PSI, 35 GPH…	View on Amazon
	P4594 replacement Electric Fuel Pump 12V 6-8 Psi fuel…	View on Amazon
	High Pressure Electric Fuel Pump Assembly Replacement For…	View on Amazon
	CarBole Universal Micro Electric Fuel Pump Inline Low…	View on Amazon
	CarBole 5-9 PSI Fuel Pump, 12v Low Pressure Fuel Pump…	View on Amazon
	CarBole 12v Universal Electric Fuel Pump 5-9 PSI 30GPH…	View on Amazon

Product Reviews

1. OEM Fuel Pump Housing Connector (EVO 7-8-9)

When you’re upgrading your Evo’s fuel system, often the pump itself isn’t the only thing that needs attention. This OEM connector is an unsung hero, a small but vital piece that ensures your new, higher-flow pump has a solid electrical connection. I’ve seen too many DIY setups fail because of poor wiring or shoddy connectors, leading to intermittent power delivery or, worse, complete pump failure. This genuine OEM part is designed to fit perfectly within your Evo 7, 8, or 9 fuel pump hanger, providing the factory-grade reliability you expect. It’s not a pump itself, but it’s an essential component for a clean and reliable fuel pump upgrade, ensuring all that power gets to your new pump efficiently. Don’t overlook the small details like this; they often make the biggest difference in long-term performance and safety.

• OEM fitment for EVO 7-8-9
• Ensures secure electrical connection for your fuel pump
• Crucial for preventing wiring issues with upgraded pumps
• Made to factory specifications for durability

Pros:
– Perfect, direct fit for Evo 7-9 fuel pump hangers.
– High-quality OEM construction for reliability.
– Prevents common electrical connection issues during pump upgrades.
– Relatively inexpensive for the peace of mind it offers.

Cons:
– Not a fuel pump itself, so it doesn’t provide fuel flow or pressure.
– Requires careful installation to ensure proper sealing.

Best for: Evo 8 owners who are replacing or upgrading their main fuel pump and want to ensure a reliable, factory-spec electrical connection within the fuel pump housing.

User feedback summary: Many users praise its exact fit and the confidence it provides, especially when installing aftermarket pumps that might have slightly different terminals than the stock connector can handle over time. They appreciate that it eliminates potential failure points from old, brittle connectors.

2. CarBole 12 Volt Electric Fuel Pump 5-9 PSI, 35 GPH…

Now, this CarBole pump is what I’d call a classic, low-pressure electric fuel pump. It’s designed primarily for carbureted engines, not the high-pressure, fuel-injected setup you’ll find in an Evo 8. With a modest 5-9 PSI and a 35 GPH flow rate, it’s perfect for older muscle cars, classic trucks, or even generator applications where you need a steady, low-pressure fuel supply. Its universal design means it can fit a wide range of vehicles, and it’s particularly good at avoiding vapor lock. Just a quick heads-up: it’s not made for E85 or other ethanol blends, which is important to consider if you’re exploring alternative fuels. While it might not be your primary Evo 8 fuel pump, it could serve as a transfer pump for a surge tank setup or for other projects where a simple, reliable low-pressure pump is needed.

• Fuel Pressure: 5-9 PSI; Flow Rates: 35 GPH
• 5/16 inch inlet and outlet; 5/16″ I.D. Hose
• Universal fit for most 4, 6 & 8 Cylinder Carburetor Applications
• Avoids vapor lock and flooding
• Not for Fuel Injected Engines; Not for Diesel, E85, Ethanol, Methanol

Pros:
– Reliable for carbureted applications and transfer duties.
– Helps prevent vapor lock effectively.
– Easy to install with its universal design.
– Good value for its intended purpose.

Cons:
– NOT suitable for the primary fuel system of a fuel-injected Evo 8.
– Low pressure and flow for performance EFI applications.
– Not compatible with E85 or high-ethanol fuels.
– Requires mounting close to the fuel tank.

Best for: Classic cars with carburetors, small engines, fuel transfer applications, or as a booster pump in very specific custom setups (not directly for Evo 8’s main fuel system).

User feedback summary: Users frequently mention its dependable performance in their carbureted vehicles, highlighting its consistent fuel delivery and ease of installation. Many note that it’s a great, affordable replacement for mechanical pumps, but they emphasize that it’s critical to understand its low-pressure nature and applications.

3. P4594 replacement Electric Fuel Pump 12V 6-8 Psi fuel…

The P4594 replacement pump is another contender in the low-pressure electric fuel pump category. This one stands out with its pre-assembled metal bracket, making installation a breeze – something I always appreciate when I’m under a car. It’s designed to be quieter than many mechanical pumps, which is a nice bonus if you’re tired of hearing your fuel system buzz. With 6-8 PSI pressure and a free flow of 72 GPH, it offers a bit more flow than the previous CarBole pump, but it still operates at a pressure range that’s ideal for carbureted setups. Its threaded electrical posts are a smart touch, ensuring a more secure wiring connection than typical spade terminals. Again, like others in this range, it’s not meant for the high-pressure demands of an Evo 8’s fuel injection system.

• Threaded electrical posts ensure secure wiring
• Pre-assembled onto a metal bracket for easy installation
• Quieter Rotary Vane fuel pump operation
• 12 VDC, Pressure 6-8 Psi; Free flows 72GPH; Fuel pump inlet/outlet size: 1/4 in. NPS
• ISO 9001 & IATF 16949 Certified

Pros:
– Easy and quick installation thanks to the pre-assembled bracket.
– Quiet operation compared to many mechanical pumps.
– Secure threaded electrical connections.
– Higher flow rate (72 GPH) for low-pressure applications.

Cons:
– Not suitable for the high-pressure demands of an Evo 8’s EFI system.
– Low operating pressure.
– Requires careful compatibility checks for fittings and hose sizes.

Best for: Carbureted engine applications that need a reliable and quiet fuel pump with an easy installation process.

User feedback summary: Owners often praise the P4594 for its simple, direct installation and noticeable reduction in noise compared to older pumps. They value the secure electrical connections and the consistent flow it provides for their classic cars and hot rods.

4. High Pressure Electric Fuel Pump Assembly Replacement For…

Here’s an interesting one that highlights the importance of application-specific parts. This “High Pressure Electric Fuel Pump Assembly” is definitely a high-pressure unit, but it’s specifically designed as a replacement for Volvo Penta Stern 8.1L marine engines. Its function is critical for marine engine operation, generating fuel pressure in a common rail system. While it’s a premium quality part and essential for the engines it’s designed for, it’s fundamentally a marine-grade component, built for the unique demands and environment of a boat. This pump’s high-pressure capability is impressive, but its specific design, mounting, and flow characteristics are engineered for a boat’s large V8 engine, not the compact and highly tuned fuel system of an Evo 8. It’s a great example of a specialized pump, but it won’t fit your Evo 8.

• Part Number: 21608512, 3589016, etc.
• Electric Fuel Pump Replacement for: Volvo Penta Stern 8.1L engines
• Generates fuel pressure in the common rail by controlling fuel output
• Premium quality construction for marine use
• 1-year customer service period

Pros:
– High-pressure capability for its intended application.
– Premium quality and robust construction suitable for marine environments.
– Essential for reliable operation of specific Volvo Penta marine engines.
– Good customer service and warranty.

Cons:
– Absolutely NOT compatible with an Evo 8 fuel system.
– Designed for marine use, not automotive.
– Specific fitment for Volvo Penta 8.1L engines only.
– Mounting and electrical connections would not suit an Evo 8.

Best for: Owners of Volvo Penta Stern 8.1L marine engines needing a direct replacement fuel pump assembly.

User feedback summary: Marine enthusiasts laud this pump for its direct fit and restoration of engine performance, noting its robust build quality for harsh marine conditions. They stress the importance of using the correct OEM part for their specific boat engines.

5. CarBole Universal Micro Electric Fuel Pump Inline Low…

This CarBole Micro Electric Fuel Pump is another versatile, low-pressure option, similar to the other CarBole units we’ve looked at. It’s a compact inline pump, making it suitable for a range of gasoline and diesel vehicles – but again, we’re talking about carburetor systems, not high-pressure EFI like your Evo 8. It delivers a steady 30 GPH at 5-9 PSI and is manufactured in ISO-certified facilities, which speaks to its quality control. What’s crucial to remember here is the note about using a filter; these universal pumps need clean fuel to last, and I always recommend a good inline filter regardless of the pump. Like its siblings, this micro pump excels in transfer applications or as a primary pump for small, carbureted engines, offering quiet operation and reliability over tens of thousands of miles.

• Flow Rate: 30 GPH. Output Pressure: 5-9 PSI, Input Voltage: 12 Volt
• Universal application for Gasoline Diesel Vehicles (carbureted)
• Cross-reference with common part numbers like E8012S
• Quiet Operation, Steady Fuel Flows for 24000 miles
• IMPORTANT: Only fit for gasoline and diesel (without alcohol) engine, and use with filter!

Pros:
– Compact and easy to install inline.
– Reliable performance for carbureted engines and transfer duties.
– Quiet operation.
– Good build quality from ISO-certified manufacturing.

Cons:
– Not suitable for the primary fuel system of a fuel-injected Evo 8.
– Low pressure and flow for EFI systems.
– Not compatible with alcohol-containing fuels (E85/ethanol).
– Requires a separate fuel filter.

Best for: Small engines, diesel applications (non-EFI), transfer pumps, or as a replacement for mechanical pumps on carbureted vehicles.

User feedback summary: Users often highlight the pump’s compact size and quiet operation, making it ideal for discreet installations. They find it reliable for keeping older vehicles running smoothly, but many reinforce the manufacturer’s warning about fuel compatibility and the absolute necessity of a fuel filter.

6. CarBole 5-9 PSI Fuel Pump, 12v Low Pressure Fuel Pump…

This CarBole fuel pump package is quite a comprehensive kit for a low-pressure application. Not only do you get the 12V fuel pump, but it also includes a generous length of 3-layer thickened fuel line, two fuel filters, mounting clamps, and connectors. This “all-in-one” approach is fantastic for anyone needing to set up a complete low-pressure fuel system from scratch. The pump itself offers 5-9 PSI and 30 GPH, built with a white zinc casing and a pure copper motor for durability. The fuel line, with its oil, temperature, and pressure resistance, is a real highlight, providing extra stability and longevity. Just like the other low-pressure pumps, it’s compatible with a wide array of carbureted vehicles and even lawnmowers, but it explicitly states “not for fuel injected engines” and “not with alcohol-containing gasoline such as E85 or ethanol.”

• All-in-one kit: Pump, 6.56 Ft fuel line, 2 filters, clamps, connectors
• Robust Fuel Pump: White zinc, pure copper motor; 5-9 PSI, 30 GPH
• 3-Layer Thickened Fuel Line: Oil, temp, pressure resistant (5/16″ ID)
• Wide Applications: Compatible with all 12-volt carbureted engines
• Use Tips: Not for fuel injected engines; Not with E85 or ethanol.

Pros:
– Complete kit provides excellent value and convenience.
– High-quality, durable fuel line included.
– Robust pump construction for longevity.
– Wide temperature tolerance for diverse environments.

Cons:
– Explicitly NOT for fuel-injected Evo 8 engines.
– Low pressure and flow unsuitable for performance EFI.
– Not compatible with ethanol-blended fuels.

Best for: Anyone needing a complete, low-pressure fuel delivery solution for carbureted vehicles, generators, or custom setups where ethanol-free gasoline is used.

User feedback summary: Users rave about the completeness of this kit, often remarking that it saved them time and effort by including everything needed for an installation. They appreciate the quality of the fuel line and the pump’s consistent performance in their carbureted projects, with clear acknowledgment that it’s for low-pressure systems only.

7. CarBole 12v Universal Electric Fuel Pump 5-9 PSI 30GPH…

Rounding out our list is another CarBole universal electric fuel pump, delivering 5-9 PSI and 30 GPH. This one emphasizes its copper-clad aluminum material and plunger-style operation, designed to provide stronger suction and consistent fuel feeding. It also highlights the precisely mated commutator and brush materials for durable, consistent performance, suggesting a focus on internal build quality for extended life. Installation is straightforward with its 2-bolt fitting and 2-wire design. Crucially, it reiterates the warnings: “Fuel pump only fits for Gasoline and Diesel, Not Fit for: E85 standard or for Ethanol, Methanol and Race Fuel. DO NOT USE PUMP WITHOUT A FILTER.” This is a solid, reliable choice for standard low-pressure, carbureted applications where fuel compatibility isn’t an issue.

• Operating Working: 12v, 5 to 9 PSI, Flow rate 30 GPH, Inlet/outlet 5/16″
• Need Your Attention: Only fits for Gasoline and Diesel, Not for E85/Ethanol/Methanol/Race Fuel
• Easy to Fit and Connect: 2 bolt fitting, 2 wires design, stronger suction
• Enhance Performance: High quality copper-clad aluminum material, plunger operation
• Perfect Compatibility: Universal for all 12 Volt Cars, Trucks, Boats & Generators (carbureted)

Pros:
– Durable construction with copper-clad aluminum and plunger design.
– Strong suction for reliable fuel feeding.
– Easy to install with simple 2-bolt, 2-wire setup.
– Consistent and extended performance in its intended applications.

Cons:
– Absolutely unsuitable for the primary fuel system of an Evo 8 (EFI).
– Low pressure and flow rates.
– Strict fuel compatibility restrictions (no E85/ethanol/race fuel).
– Requires a fuel filter for longevity.

Best for: General-purpose low-pressure fuel delivery for carbureted vehicles, trucks, boats, and generators, especially where non-ethanol gasoline or diesel is used.

User feedback summary: Many users praise this CarBole pump for its consistent performance and ease of installation, often using it as a dependable replacement for older, unreliable pumps on various carbureted engines. They appreciate the clarity on fuel type limitations and reinforce the need for a good filter.

Helpful Comparison Insights

Alright, let’s cut through the noise and get real about these “fuel pumps for Evo 8.” You’ve probably noticed a pattern: most of the pumps reviewed here are designed for low-pressure, carbureted applications, NOT the high-pressure, fuel-injected system of your Evo 8. This is a critical distinction that cannot be overlooked.

When we talk about the best fuel pumps for an Evo 8, we’re typically looking for high-pressure (usually 40-70+ PSI operating pressure), high-flow (often 255 LPH or higher, sometimes significantly more for big power), and sometimes E85-compatible pumps. Famous brands like Walbro (e.g., 255, 450, 525), DeatschWerks, AEM, and Aeromotive are what Evo owners usually turn to for primary fuel pump upgrades. None of the listed CarBole or P4594 pumps fall into this category.

So, what’s the takeaway from these reviews in the context of your Evo 8?

1. The OEM Fuel Pump Housing Connector (EVO 7-8-9) is the only component directly applicable to an Evo 8’s fuel system upgrade in this list. It’s not a pump, but it’s vital for a secure electrical connection when you do install a proper high-performance Evo 8 fuel pump. Don’t skimp on these small but crucial electrical components when upgrading your primary pump.

2. The CarBole and P4594 Low-Pressure Pumps (5-9 PSI, 30-72 GPH) are NOT suitable as the primary fuel pump for an Evo 8. Your Evo 8 runs a sophisticated Electronic Fuel Injection (EFI) system that demands much higher fuel pressure and flow than these pumps can provide. Trying to use one of these as your main pump will lead to severe fuel starvation, engine damage, and poor performance. Their “universal” fitment is for carbureted engines, not EFI. They explicitly state “not for fuel injected engines” or have a pressure rating far too low.

   • Where they could be relevant (a big “if”): In highly customized, extreme setups, one of these might be used as a pre-pump to feed a surge tank, which then feeds a much larger, high-pressure pump. However, this is advanced territory and not for a standard Evo 8 fuel pump replacement.
   • Fuel Compatibility: Many of these low-pressure pumps are also not compatible with E85 or high-ethanol fuels, which is a popular choice for performance Evo 8 builds. This is another major reason they are unsuitable.

3. The High Pressure Electric Fuel Pump Assembly Replacement For Volvo Penta Stern 8.1L engines is a prime example of an application-specific pump. While high-pressure, it’s designed for marine use and a completely different engine architecture. It will not fit or function in an Evo 8. This highlights the importance of matching your pump to your specific vehicle and engine type, not just looking for a “high pressure” label.

In essence, these reviews serve as a valuable guide to understand the types of fuel pumps available and what NOT to use for your Evo 8’s main fuel system, while also highlighting the importance of proper supporting components like the OEM connector. For a true Evo 8 fuel pump upgrade, you’ll need to look for pumps specifically rated for high-pressure EFI applications and designed for in-tank or inline installation on your vehicle.

Final Verdict

After going through this list, it’s clear that while we’ve reviewed a range of fuel-related products, the vast majority of the “fuel pumps” here are simply not suitable for the primary fuel system of a Mitsubishi Lancer Evolution 8. This isn’t a knock on the products themselves – they are likely excellent for their intended applications (carbureted engines, marine, fuel transfer) – but an Evo 8 requires a very specific type of fuel pump.

For your Evo 8, the OEM Fuel Pump Housing Connector (EVO 7-8-9) is the only item directly relevant as a crucial supporting component. It’s a small but mighty player that ensures your actual high-performance fuel pump receives stable power. It’s a must-have for peace of mind when upgrading.

When you’re actually looking for the best fuel pumps for your Evo 8, you need to prioritize high-pressure (40+ PSI), high-flow (255+ LPH), and ideally, E85-compatible pumps from reputable brands known in the Evo community. Pumps like the Walbro 255, Walbro 450 (or 485), DeatschWerks DW300, or AEM 340LPH are the ones you should be researching. These are engineered to handle the demands of a high-revving, turbocharged, fuel-injected engine, especially when you’ve increased boost or added power modifications.

So, while this article serves as an excellent primer on different fuel pump applications and what to look for in crucial supporting components, remember that for a true Evo 8 fuel pump upgrade, your focus should be on dedicated EFI-specific, high-pressure, and high-flow units designed for performance vehicles. Choose wisely to keep your Evo roaring!

FAQ Section

Q1: What kind of fuel pump pressure does an Evo 8 need?
A1: Your Evo 8, being a fuel-injected vehicle, typically requires a fuel pump that can maintain around 43-45 PSI (pounds per square inch) of fuel pressure at idle and higher under boost. The pumps reviewed in this list (excluding the marine pump) are mostly in the 5-9 PSI range, which is far too low for a fuel-injected Evo 8.

Q2: Can I use one of the low-pressure CarBole or P4594 fuel pumps as my main fuel pump for my Evo 8?
A2: Absolutely not. These low-pressure pumps are designed for carbureted engines and would cause severe fuel starvation in your fuel-injected Evo 8. This could lead to engine misfires, poor performance, and potentially catastrophic engine damage due to leaning out. Always choose a fuel pump specifically rated for EFI applications for your Evo 8 fuel pump needs.

Q3: Why is the OEM Fuel Pump Housing Connector important for an Evo 8 upgrade if it’s not a pump?
A3: The OEM Fuel Pump Housing Connector is crucial because it provides a reliable, direct-fit electrical connection for your new, often higher-amperage, fuel pump. Old or worn connectors can’t handle the increased load, leading to voltage drop, pump failure, or even fire hazards. It ensures your powerful new Evo 8 fuel pump receives consistent, uninterrupted power.

Q4: Are these fuel pumps compatible with E85 fuel for my Evo 8?
A4: Most of the low-pressure pumps reviewed explicitly state they are not compatible with E85, ethanol, or methanol. E85 is highly corrosive to non-compatible fuel system components. If you plan to run E85 in your Evo 8, you must select an E85-compatible fuel pump and ensure all other fuel system components (lines, injectors, fuel rail) are also E85-safe.

Q5: What should I actually look for when buying a primary fuel pump for my Evo 8?
A5: When choosing the best fuel pumps for Evo 8 performance, you should look for high-pressure, high-flow (often 255 LPH or more), in-tank or inline electric fuel pumps from reputable brands like Walbro, DeatschWerks, or AEM. Consider your power goals: a stock Evo 8 might be fine with a Walbro 255, but higher horsepower builds often require a Walbro 450/485 or larger. Ensure it’s rated for EFI applications and check for E85 compatibility if needed.

Q6: Is it complicated to replace the fuel pump on an Evo 8?
A6: Replacing the Evo 8 fuel pump can be a moderate DIY job. It typically involves removing the rear seat, accessing the fuel pump access panel, and carefully removing the fuel pump hanger assembly from the tank. You’ll need to disconnect fuel lines and electrical connectors, then install your new pump into the hanger. It’s important to be careful with fuel and fumes, work in a well-ventilated area, and ensure proper sealing and connections upon reassembly. If you’re unsure, it’s always best to consult a professional.