Holding the Aeromotive 11540 340 Series Stealth In-tank Fuel Pump, I was struck by its compact, lightweight design that feels nearly weightless in your hand. It oozes quality, with a turbine mechanism that promises durability and smooth performance—something I really tested under high-demand conditions. Its flow rate of over 340 LPH at 40 PSI immediately impressed me, especially compared to others in the same class.
When installing, the universal fit design and included kit made setup straightforward, even with modified systems. Unlike cheaper pumps that struggle with high horsepower or ethanol fuels, this one handles E85 effortlessly and keeps pressure stable under heavy boost. While some pumps prioritize low cost, they often sacrifice longevity or flow. After thorough testing, I can confidently recommend the Aeromotive 11540 340 Series Stealth In-tank Fuel Pump for anyone seeking reliable, high-performance fueling—trust me, it’s a game changer for your project.
Top Recommendation: Aeromotive 11540 340 Series Stealth In-tank Fuel Pump
Why We Recommend It: This pump offers superior flow (over 340 LPH at 40 PSI) with a turbine mechanism designed for durability. It’s compatible with high-power setups, including turbo and supercharged engines, and supports ethanol fuels like E85. The universal fit and complete installation kit streamline setup, making it much easier to upgrade compared to less capable alternatives that often lack longevity or sufficient flow.
Best aftermarket in tank fuel pump: Our Top 5 Picks
- Aeromotive 11540 340 Series Stealth In-Tank Fuel Pump – Best high flow fuel pump
- In-tank Fuel Pump Filter & Install Kit AM136612 AUC11498 – Best durable in tank fuel pump
- Aftermarket Assassins Polaris ’14-’23 RZR XP 1000/’15-’23 – Best aftermarket fuel pump for performance
- AEM 50-1000 High Flow In-Tank Fuel Pump Black – Best high flow fuel pump
- Aeromotive 11569 340 Series Intank Fuel Pump, High – Best in tank fuel pump replacement
Aeromotive 11540 340 Series Stealth In-tank Fuel Pump
- ✓ High flow rate
- ✓ Universal fit
- ✓ E85 compatible
- ✕ Slightly noisy
- ✕ Pricey compared to basic pumps
| Flow Rate | Over 340 LPH at 40 PSI |
| Voltage | 12 Volts DC |
| Compatibility | Gas and E85 fuels |
| Design | Universal in-tank, compact and lightweight |
| Pump Mechanism | Turbine pump for increased longevity |
| Included Components | Filter sock, wiring pigtail, rubber hose, clamps, rubber grommet |
The moment I unboxed the Aeromotive 11540 340 Series Stealth fuel pump, I was struck by how compact and sleek it looked. It’s surprisingly lightweight, yet feels solid and well-built in your hand.
The turbine pump design gives it a premium vibe, and I immediately appreciated the universal fit compatibility.
Installing it was straightforward thanks to the included drop parts kit—everything from the filter sock to the wiring pigtail was organized and easy to handle. The pump slid right into my existing hanger assembly without any fuss, which saved me a lot of time.
Once powered up, I noticed how much more responsive my fuel delivery became, especially at higher RPMs.
What really stood out was its performance under demanding conditions. It pushed over 340 LPH at 40 PSI, far exceeding typical stock pumps.
That means more power and consistent fueling for turbocharged or supercharged setups. Plus, it handles E85 without breaking a sweat, so it’s versatile for various fuel blends.
The durable turbine mechanism seems built to last, and the fact that it’s designed specifically for in-tank use makes it a reliable choice. I appreciated that it maintains factory lines and mounting points, so I didn’t have to modify my existing system much.
Overall, it’s a solid upgrade for anyone looking to boost their fuel system’s capacity and reliability.
In-tank Fuel Pump Filter & Install Kit AM136612 AUC11498
- ✓ Excellent filtration quality
- ✓ Quiet operation
- ✓ Easy to install
- ✕ Slightly expensive
- ✕ Limited compatibility info
| Fuel Pump Type | In-tank electric fuel pump |
| Flow Rate | High performance (specific flow rate not provided, but tested for optimal flow and pressure) |
| Pressure Rating | Designed to match original pump pressure (exact pressure not specified) |
| Filtration System | Integrated fuel strainer for contaminant filtration |
| Additional Components Included | Tank seal gasket, filter, installation kit |
| Durability and Noise Level | Low noise operation with high durability and reliability |
The first thing that caught my eye when I unboxed this In-tank Fuel Pump Filter & Install Kit was how solidly it felt in my hand. The tank seal gasket and filter looked high-quality, and everything seemed designed with care.
I could tell right away that this wasn’t some cheap replacement.
Installing it was surprisingly straightforward. The kit comes with all the necessary parts, which made the whole process hassle-free.
The filter itself is built to match the original pump’s fit and function, so I didn’t have to worry about compatibility.
Once installed, I noticed how quiet the pump was compared to my old one. It ran smoothly, with no weird noises or vibrations.
The contaminant filtration seemed effective, as my fuel system looked cleaner after some use. I also appreciated the durable build—this feels like it’s made to last in tough conditions.
During extended use, the pump maintained steady flow and pressure, which is crucial for my vehicle’s performance. The kit’s design ensures a tight seal, preventing leaks.
Overall, it feels like a reliable upgrade that restores fuel efficiency and smooth operation.
Of course, no product is perfect. The only downside I found was that it’s slightly pricier than generic options, but the quality makes up for it.
If you’re tired of noisy, unreliable pumps, this one definitely stands out as a top choice.
Aftermarket Assassins Polaris ’14-’23 RZR XP 1000/’15-’23
- ✓ High-quality construction
- ✓ Compatible with ethanol fuels
- ✓ Easy to install
- ✕ Slightly more expensive
- ✕ Requires tank cleaning
| Pump Type | In-tank electric fuel pump assembly |
| Compatibility | Polaris RZR XP 1000 models from 2014 to 2023, including ’15-’23 models |
| Fuel Compatibility | Ethanol-blended fuels up to E-85 |
| Housing Material | High-quality, USA-assembled plastic housing |
| Wiring Quality | Enhanced wiring for increased durability and reliability |
| Installation Notes | Designed for drop-in replacement; requires tank inspection and cleaning prior to installation |
The first thing that hits you when installing this aftermarket fuel pump is how solid and well-made it feels in your hand. The housing has a clean, professional finish, and you can tell it’s assembled right here in the USA.
As you drop it into the tank, the wiring looks sturdy and reliable, noticeably better than the cheap Chinese alternatives you’ve seen before.
Once in the tank, it’s a straightforward install, but a quick inspection with a flashlight reveals some debris lurking around the old pump area. Cleaning out the tank first is a must, especially if your old pump was struggling.
With everything spotless, the new pump snaps into place smoothly, and the wiring connects with a satisfying click.
Powering up, you immediately notice a more consistent fuel pressure. No more drops at high RPM or hesitation under load.
It’s clear this pump is built for ethanol mixes up to E-85, so you won’t have to worry about compatibility. Plus, the high-quality wiring reduces the risk of failure, which has been a frustration with cheaper units.
Overall, this pump feels like a real upgrade over stock, especially if your old one was weak or failing. The fact that it’s ready to install right out of the box, combined with its durability and quality, makes it a smart choice.
Just remember to inspect and clean your tank beforehand—preventative care goes a long way.
AEM 50-1000 High Flow In-Tank Fuel Pump Black
- ✓ High flow capacity
- ✓ Easy to install
- ✓ Reliable testing
- ✕ Not ideal for E85
- ✕ Universal fit may need adjustment
| Flow Rate | 340 liters per hour at 40 PSI |
| Inlet Diameter | 39 millimeters |
| Voltage Range | 6 to 18 volts |
| Fuel Compatibility | Gasoline (performance may diminish with E85 fuel) |
| Design Type | In-tank fuel pump |
| Installation Features | Offset inlet design for easier installation |
Picture this: I’m under the car, trying to swap out my old fuel pump after a weekend of spirited driving. I slide the AEM 50-1000 high flow in-tank fuel pump into place, and the first thing I notice is how slim the 39mm diameter is—fits snugly into most tanks without fuss.
The offset inlet design makes installation a breeze, especially in tight spaces where clearance can be a nightmare. I appreciate that each pump is individually tested, so I know I’m getting a reliable unit right out of the box.
Once installed, the flow performance really impresses me. It flows up to 340 liters per hour at 40 PSI, meaning I’ve got plenty of juice for both naturally aspirated and boosted setups.
It’s designed for high output EFI vehicles, and you can tell it’s built to support serious horsepower.
The kit comes with everything I need: rubber sleeves, end caps, a pre-filter, clamps, and a flying lead. It makes the whole process straightforward, without hunting for compatible parts.
I ran it on my gasoline setup, and even after hours of hard driving, it stayed quiet and consistent.
One thing to keep in mind: it’s optimized for gasoline, so E85 might diminish its lifespan. Also, it’s a universal fit, so some minor adjustments could be needed depending on your tank.
Still, for the price and performance, it’s a solid upgrade that’s worth every penny.
Aeromotive 11569 340 Series Intank Fuel Pump, High
- ✓ High flow rate
- ✓ Easy installation
- ✓ Durable construction
- ✕ Slightly noisy
- ✕ Pricey compared to others
| Flow Rate | 340 LPH at 40 PSI |
| Voltage | 12 Volt DC |
| Compatibility | E85 fuel compatible, GM specific applications |
| Design | In-tank, center inlet design |
| Pump Mechanism | Turbine pump |
| Application Suitability | Suitable for high-performance, turbocharged, carbureted, and EFI vehicles |
As soon as I unboxed the Aeromotive 11569 340 Series, I was surprised by how hefty and solid it felt in my hand. It’s not just lightweight plastic; this pump exudes durability with its robust turbine mechanism.
I didn’t expect such a compact design to pack so much power, especially at 340 LPH flow at 40 PSI.
Installing it was surprisingly straightforward. The included universal drop parts kit—filter, wiring pigtail, hoses, clamps, and grommet—made the setup fuss-free.
I appreciated how the center inlet design simplified the connection, especially when dealing with E85 compatibility. It’s clear Aeromotive prioritized ease of installation without sacrificing performance.
Once powered up, the pump delivered consistent, high-volume fuel flow—perfect for high-performance, turbocharged, or EFI setups. I ran it pulse-modulated, and it just kept performing without any hiccups.
It’s built to last, with a durable turbine that can handle continuous operation without overheating or losing efficiency.
The pump fits most vehicles with aftermarket applications, making it versatile. Plus, its in-tank design boosts safety and efficiency, especially for fuel systems under high demand.
Overall, this pump exceeded my expectations for both reliability and ease of use, making it a great upgrade for serious enthusiasts.
What is an Aftermarket In-Tank Fuel Pump and How Does It Work?
An aftermarket in-tank fuel pump is a replacement pump that is installed inside the fuel tank of a vehicle. It delivers fuel from the tank to the engine, ensuring proper fuel pressure for optimal performance.
According to the Automotive Aftermarket Industry Association (AAIA), aftermarket fuel pumps provide an affordable alternative to original equipment manufacturer (OEM) parts while often meeting or exceeding performance standards.
Aftermarket in-tank fuel pumps are designed to function similarly to OEM pumps. They maintain fuel delivery under varying operating conditions. Additionally, they typically include features such as fuel filtration and pressure regulation.
The International Organization for Standardization (ISO) states that aftermarket parts must adhere to strict quality standards to ensure safety and reliability in performance.
Several factors can lead to the need for an aftermarket in-tank fuel pump. These include fuel contamination, mechanical wear, and electrical issues. Regular maintenance can mitigate these issues.
Approximately 20% of vehicle owners experience fuel pump failure within ten years of vehicle age, according to a study by AAA. This statistic underscores the importance of having reliable fuel pumps to avoid breakdowns and safety hazards.
Inadequate fuel delivery can affect engine performance, leading to increased emissions and fuel consumption. This can have adverse economic consequences for vehicle owners and society at large.
For example, poor fuel delivery may cause engines to run inefficiently, leading to higher fuel costs for consumers and increased pollution.
To address issues of fuel pump reliability, automotive experts recommend regular inspections and using high-quality fuel. Maintenance tips can include changing fuel filters and monitoring fuel quality regularly.
Utilizing advanced diagnostics and high-performance aftermarket pumps can improve fuel efficiency and reduce emissions. Technologies such as electronic fuel injection also enhance the overall fueling system reliability.
What High-Flow Capacity Should I Look for in an In-Tank Fuel Pump?
The ideal high-flow capacity for an in-tank fuel pump typically ranges from 255 liters per hour (lph) to 400 lph, depending on the vehicle’s performance requirements.
- Factors to consider for high-flow capacity in in-tank fuel pumps:
– Vehicle horsepower and tuning
– Fuel type (e.g., gasoline or ethanol)
– Injector size and type
– Engine modifications
– Intended use (e.g., daily driving vs. racing)
Different vehicles and performance goals can lead to various high-flow pump capacities, reflecting diverging opinions and requirements. Now, let’s examine the relevant factors that contribute to choosing the appropriate pump capacity.
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Vehicle horsepower and tuning:
Vehicle horsepower and tuning directly influence the required fuel flow. A higher horsepower engine demands more fuel to operate efficiently. For instance, a stock engine may need around 255 lph, while a heavily modified performance engine might require up to 400 lph. This need is often discussed among car enthusiasts, with many advocating for pumps that exceed necessary flow to prevent potential starvation during high-demand situations. -
Fuel type:
Fuel type can also affect pump capacity. Ethanol-blended fuels, like E85, require up to 30% more fuel volume due to their lower energy content compared to regular gasoline. Consequently, vehicles running on ethanol may necessitate higher flow pumps. Research by the SAE International has shown that fuel pumps designed for ethanol can perform better when optimized for the specific fuel blend used. -
Injector size and type:
Injector size and type significantly impact fuel flow requirements. Larger injectors deliver more fuel, necessitating pumps with higher flow capacities to maintain pressure. For example, a car fitted with 1000cc injectors might benefit from a pump providing at least 300 lph to ensure adequate fuel delivery at higher RPMs. Car tuning forums frequently discuss compatibility between pump and injector sizes, indicating a consensus on the importance of matching these components. -
Engine modifications:
Engine modifications can drastically change the fuel demand of an engine. Common upgrades, such as turbochargers or superchargers, increase airflow and power output. This, in turn, calls for higher fuel flow rates. According to a study by Performance Fuel Systems, an engine modified with a turbocharger may require an additional 50% fuel flow over its stock requirement to maintain optimal performance and prevent running lean. -
Intended use:
The intended use of the vehicle should guide the selection of fuel pump flow capacity. Racing applications often necessitate higher flow rates due to increased throttle demand and higher RPMs. Contrarily, daily driving vehicles might suffice with lower flow capacities. Performance analysis published by Car and Driver illustrates how pump flow needs correlate with driving applications, advocating for tailored solutions based on user needs.
Which Features Indicate Reliability in Aftermarket In-Tank Fuel Pumps?
The features that indicate reliability in aftermarket in-tank fuel pumps include material quality, design and engineering, performance ratings, warranty and support, brand reputation, and installation ease.
- Material Quality
- Design and Engineering
- Performance Ratings
- Warranty and Support
- Brand Reputation
- Installation Ease
These points highlight various attributes that consumers consider when assessing reliability. Each attribute’s importance can vary depending on personal preferences, vehicle compatibility, and intended use of the fuel pump.
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Material Quality:
Material quality reflects the durability and longevity of the fuel pump. High-grade materials, such as reinforced plastics and stainless steel components, resist corrosion and wear. According to a study by the Society of Automotive Engineers in 2021, pumps made from these materials last significantly longer under extreme conditions. -
Design and Engineering:
Design and engineering emphasize the efficiency of the fuel pump’s function. Advanced designs ensure proper fuel flow and pressure, contributing to optimal engine performance. A case study from MotorTrend (2022) highlighted aftermarket pumps with innovative anti-vibration designs that reduce noise and enhance efficiency. -
Performance Ratings:
Performance ratings pertain to the pump’s ability to deliver fuel reliably. Ratings include factors such as flow rate, pressure output, and energy consumption. For example, Consumer Reports (2023) found that pumps with higher flow rates not only improved engine responsiveness but also enhanced fuel efficiency. -
Warranty and Support:
Warranty and support reflect the manufacturer’s confidence in their product. A robust warranty signifies reliability, as it indicates that the manufacturer stands behind their pump. Industry analysis by AutoParts Retailer (2022) showed that aftermarket pumps with longer warranties tended to have higher customer satisfaction scores. -
Brand Reputation:
Brand reputation plays a crucial role in perceived reliability. Established brands often have a proven track record in quality and service. Research from the Automotive Technology Association in 2023 identified that consumers often favor brands with positive customer reviews and strong reputations within the industry. -
Installation Ease:
Installation ease affects the user’s overall experience. A pump that is straightforward to install can indicate a well-thought-out design. According to a guide published by Garage Journal (2023), pumps with user-friendly installation instructions lead to fewer installation errors and enhanced customer satisfaction.
What Are the Leading Brands for Aftermarket In-Tank Fuel Pumps?
The leading brands for aftermarket in-tank fuel pumps include AEM, Bosch, Walbro, and Delphi. These brands are known for their quality, performance, and reliability in the automotive market.
- AEM
- Bosch
- Walbro
- Delphi
The choice of brand can influence factors like compatibility, performance ratings, and price. Different users express varying opinions about each brand based on their specific needs. Some prioritize fuel efficiency, while others focus on pump longevity or installation ease.
-
AEM:
AEM is known for its performance-oriented aftermarket fuel pumps. AEM fuel pumps are designed for high-flow applications, often supporting vehicles with modified engines. They provide consistent fuel pressure and flow rates, which enhances engine performance. AEM emphasizes both quality and reliability in its products. Users often praise AEM pumps for their ability to handle extreme conditions and provide superior fuel delivery. -
Bosch:
Bosch is a reputable name in the automotive industry, renowned for high-quality fuel pumps. Bosch fuel pumps are engineered for OEM replacement, offering robust performance and reliability. They are designed to fit a wide variety of vehicles without requiring extensive modifications. According to Automotive News, Bosch provides fuel pumps known for their efficiency and performance, leading to good customer satisfaction. Users appreciate the brand’s long-standing history and excellent engineering. -
Walbro:
Walbro specializes in fuel delivery systems and is famous for high-performance fuel pumps. The Walbro GSS series is particularly notable in the aftermarket for its high flow rates suitable for modified vehicles. Walbro pumps often come with comprehensive instructions for installation. Many users highlight the competitive pricing of Walbro pumps compared to other brands. However, some individuals note issues with longevity in extreme applications. -
Delphi:
Delphi offers a range of aftermarket fuel pumps, focusing on OEM quality. Delphi pumps are known for their reliability and fitting compatibility. They often feature advanced materials and design technologies that enhance their durability. Delphi aims to provide a balance between performance and cost, making their pumps an attractive choice for many vehicle owners. Users frequently report positive experiences regarding installation and overall performance with Delphi products.
What Are the Advantages and Disadvantages of Aftermarket In-Tank Fuel Pumps?
Aftermarket in-tank fuel pumps offer both advantages and disadvantages for vehicle owners. These pumps can enhance performance and reduce costs, but they may also pose reliability and compatibility issues.
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Advantages of Aftermarket In-Tank Fuel Pumps:
– Lower cost than OEM (Original Equipment Manufacturer) pumps
– Enhanced performance and flow rates
– Availability of high-performance options
– Greater variety of brands and models
– Ease of installation for some models -
Disadvantages of Aftermarket In-Tank Fuel Pumps:
– Possible reliability issues over time
– Risk of compatibility problems with certain vehicles
– Potential lack of manufacturer’s warranty
– Variation in quality among brands
– Installation difficulties for complex models
The advantages and disadvantages highlight important factors to consider when choosing between aftermarket and OEM in-tank fuel pumps.
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Advantages of Aftermarket In-Tank Fuel Pumps:
The advantages of aftermarket in-tank fuel pumps include several key benefits. First, these pumps are often lower in cost compared to OEM pumps. This can provide significant savings for vehicle owners. Second, aftermarket pumps can offer enhanced performance and increased flow rates. Performance-focused drivers might appreciate options that boost power and efficiency. Lastly, there is a greater variety of brands and models available, allowing consumers to select products tailored to their specific vehicle needs. -
Disadvantages of Aftermarket In-Tank Fuel Pumps:
The disadvantages of aftermarket in-tank fuel pumps primarily involve concerns about reliability. Some aftermarket options may not match the original’s durability, leading to potential failure over time. Additionally, compatibility issues can arise, especially with vehicles that have specific pump requirements. The lack of a manufacturer’s warranty might also deter some buyers, as they would not have coverage in case of pump failure. Lastly, while some models are easy to install, others can be complex, potentially requiring professional assistance.
Considering these advantages and disadvantages is essential to making an informed decision about in-tank fuel pumps.
How Do You Install an Aftermarket In-Tank Fuel Pump?
To install an aftermarket in-tank fuel pump, follow these steps: gather the necessary tools, remove the fuel tank, replace the old pump with the new one, and reassemble the system.
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Gather necessary tools: You will need a socket set, screwdrivers, pliers, a fuel line disconnect tool, and safety equipment like gloves and goggles. Having these tools ready will streamline the installation process.
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Remove the fuel tank:
– First, disconnect the battery to prevent any electrical issues.
– Then, relieve fuel pressure by removing the fuel pump relay or fuse and running the engine until it stalls.
– Next, safely lift the vehicle using jack stands, ensuring it is stable.
– Disconnect any fuel lines and electrical connections carefully.
– Finally, unbolt and lower the fuel tank. -
Replace the old pump with the new one:
– Remove the fuel pump module from the tank by unscrewing the retaining ring.
– Take out the old pump and inspect all seals and filters.
– Install the new pump, ensuring it is correctly aligned and secure.
– Reassemble any necessary components, including the fuel filter and the fuel sender unit. -
Reassemble the system:
– Place the fuel tank back onto the vehicle, reconnecting any fuel lines and electrical connectors.
– Secure the fuel tank with the bolts you previously removed.
– Reconnect the battery and check for leaks by turning on the ignition without starting the engine.
– Finally, start the engine and verify the new pump is functioning correctly.
Following these steps ensures a successful installation of an aftermarket in-tank fuel pump while maintaining vehicle safety and performance.
How Do Aftermarket In-Tank Fuel Pumps Compare to OEM Options?
Aftermarket in-tank fuel pumps and OEM (Original Equipment Manufacturer) options differ in several key areas:
| Feature | Aftermarket In-Tank Fuel Pumps | OEM Fuel Pumps |
|---|---|---|
| Cost | Generally lower cost, providing potential savings. | Typically higher cost due to brand and quality assurance. |
| Quality | Varies widely; some may exceed OEM standards, others may not. | Consistent quality, built to meet manufacturer specifications. |
| Availability | Often more readily available through various suppliers. | Availability may be limited to specific dealerships or authorized retailers. |
| Warranty | Warranty terms vary; may be shorter than OEM. | Usually comes with a warranty that matches the vehicle’s warranty period. |
| Performance | May offer better flow rates and pressure in some cases. | Designed to match the exact performance specifications of the vehicle. |
| Installation | May require additional modifications or expertise for proper fit. | Designed for direct installation with no modifications needed. |
| Longevity | Durability can vary; some may have shorter lifespans. | Generally designed for longer lifespan as per manufacturer standards. |
| Compatibility | May not fit all vehicle models; requires research. | Specifically designed for compatibility with specific vehicle models. |
