Aem 380 Vs Bosch 044 : Performance, Flow Rate Comparison

The Aem 380 and Bosch 044 are both popular fuel pumps used in high-performance vehicles. In the world of automotive fuel pumps, the Aem 380 and Bosch 044 are stalwarts in the high-performance arena.

Whether you’re looking for exceptional flow rates, durability, or overall quality, both of these pumps have proven themselves time and time again.

But how do they compare head-to-head? We’ll dive into the details of the Aem 380 and Bosch 044, exploring their similarities, differences, and which one may be the better choice for your specific needs.

So, if you’re ready to upgrade your fuel system and boost your vehicle’s performance, keep reading for an in-depth look at the Aem 380 and Bosch 044.

Aem 380 Vs Bosch 044

Flow Rate Comparison

In the world of high-performance fuel pumps, two popular options stand out: the AEM 380 and the Bosch 044. When it comes to fuel delivery, one crucial factor to consider is flow rate.

The flow rate determines how much fuel can be delivered to your engine, making it a significant criterion when choosing between these two options.

In this section, we will dive into the flow rate capabilities of both the AEM 380 and the Bosch 044, providing you with the information you need to make an informed decision.

Aem 380 Flow Rate

Aem 380

The AEM 380 fuel pump has gained a reputation for its excellent flow rate performance. With a flow rate of up to 380 liters per hour, this fuel pump can deliver an ample amount of fuel to your engine, ensuring optimal performance.

Whether you are running a high-powered street machine or pushing the limits on the track, the AEM 380’s impressive flow rate can meet your fueling needs.

Bosch 044 Flow Rate

In the realm of high-performance fuel pumps, the Bosch 044 is a well-known contender.

This fuel pump boasts a flow rate of up to 300 liters per hour, making it a reliable choice for many performance enthusiasts.

With its robust design and consistent fuel delivery, the Bosch 044 can handle the demands of turbocharged engines, ensuring efficient combustion and power.

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To put the flow rate capabilities of these two fuel pumps into perspective, let’s compare their numbers side by side:

Bosch 044

Fuel Pump Flow Rate (Liters per Hour)
AEM 380 380
Bosch 044 300
  • The AEM 380 offers a higher flow rate of 380 liters per hour compared to the Bosch 044’s 300 liters per hour.
  • This means that the AEM 380 can deliver more fuel per hour, making it suitable for higher horsepower applications.
  • However, the Bosch 044’s flow rate is still impressive and can meet the fuel demands of many performance setups.

Ultimately, when choosing between the AEM 380 and the Bosch 044, the flow rate is a crucial factor to consider.

If you require maximum fuel delivery capabilities, the AEM 380’s higher flow rate may be the better choice.

However, if your fueling needs can be adequately met by the Bosch 044, its robust design and high flow rate make it a reliable option.

Performance and Durability

When it comes to choosing the right fuel pump for your vehicle, the factors of performance and durability are crucial.

In this comparison, we will explore the Aem 380 and Bosch 044 fuel pumps, focusing on their individual performance characteristics and overall durability. Let’s dive in to see which one is the best fit for your needs.

Aem 380 Performance

The Aem 380 fuel pump is renowned for its exceptional performance, providing a reliable and steady fuel flow to fuel-injected systems. Its precise construction ensures a consistent delivery of fuel, ensuring optimal performance regardless of the driving conditions.

With its powerful motor, the Aem 380 fuel pump can handle high-pressure applications with ease. This makes it an ideal choice for performance vehicles, turbocharged engines, or vehicles with aftermarket fuel upgrades.

Whether you’re on the racetrack or tearing up the open road, the Aem 380 will deliver the fuel you need for maximum performance.

Furthermore, the Aem 380’s design includes an internal check valve that minimizes the chances of fuel backflow. This feature not only improves the pump’s overall efficiency but also protects your engine from potential damage caused by fuel pressure irregularities.

Bosch 044 Durability

When it comes to durability, the Bosch 044 fuel pump is a heavyweight contender. Built with high-quality materials and robust engineering, this fuel pump is known for its ability to withstand demanding conditions without compromising performance.

The Bosch 044 fuel pump features a durable, corrosion-resistant housing, ensuring long-term reliability even in harsh environments. Whether you frequently brave the elements or push your vehicle to its limits, this fuel pump is designed to handle it all.

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In addition to its sturdy construction, the Bosch 044 is equipped with an advanced turbine technology that minimizes wear and tear on the pump’s internal components.

This not only enhances its overall reliability but also prolongs its lifespan, making it an excellent investment for those looking for a fuel pump that can go the distance.

With its performance-driven design and long-lasting durability, the Bosch 044 fuel pump ensures that you can rely on it for years to come, no matter what you put it through.

Installation and Compatibility

When it comes to upgrading fuel systems for high-performance vehicles, two popular choices are the Aem 380 and the Bosch 044 fuel pumps.

These pumps are known for their reliability and performance, but it’s important to understand their installation and compatibility to make the right choice for your vehicle.

Aem 380 Installation

The Aem 380 fuel pump is designed for easy installation, with a drop-in fitment for many vehicles. Its compact size allows for flexible mounting options, and it comes with a wiring harness and pre-filter for straightforward installation.

Below is a quick guide for installing the Aem 380 fuel pump:

  1. Disconnect the battery to ensure safety during installation.
  2. Remove the old fuel pump and clean the mounting area.
  3. Insert the Aem 380 fuel pump and secure it in place.
  4. Connect the wiring harness and pre-filter to the pump.
  5. Reconnect the battery and start the vehicle to ensure proper functionality.

Bosch 044 Compatibility

The Bosch 044 fuel pump is a popular choice for high-power applications, but its compatibility with different vehicles can vary.

It’s important to ensure that the Bosch 044 pump is compatible with your specific vehicle model and fuel system configuration before installation.

Vehicle Compatibility Fuel System Compatibility
Audi, Volkswagen, BMW Compatible with both carbureted and fuel-injected systems
Subaru, Mitsubishi, Nissan Compatible with fuel-injected systems only

Cost and Value

When it comes to upgrading the fuel system of your vehicle for maximum performance, choosing the right fuel pump is crucial.

Two popular options for high-performance applications are the Aem 380 and the Bosch 044. In this discussion, we will compare the Cost and Value aspects of these two fuel pumps, helping you make an informed decision.

Aem 380 Cost

If you’re on a budget, the cost of the Aem 380 is an important factor to consider. Priced at an affordable level, this fuel pump offers great value for money.

With its exceptional performance capabilities, the Aem 380 is a cost-effective solution that won’t break the bank. Investing in this fuel pump will enhance your engine’s performance, delivering more power and efficiency without compromising your budget.

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Bosch 044 Value

While the Bosch 044 may be a bit more expensive than the Aem 380, it brings exceptional value to the table. Renowned for its quality and reliability, this fuel pump is a top choice in the high-performance automotive industry.

Engineered to withstand high pressures and deliver consistent fuel flow, the Bosch 044 ensures optimal performance under demanding conditions.

Its durable construction and long lifespan make it a worthy investment, providing excellent value over time.

Both the Aem 380 and the Bosch 044 offer great benefits for those seeking an upgrade to their fuel system.

The Aem 380 provides a cost-effective solution without compromising on performance, delivering impressive power while still being budget-friendly.

On the other hand, the Bosch 044 may demand a higher initial investment but offers exceptional value with its durability and long-lasting performance. When choosing between the two, consider your budget and the long-term benefits you desire for your vehicle.

Frequently Asked Questions Of Aem 380 Vs Bosch 044

What Can I Use Instead Of Bosch 044?

You can consider using alternatives like Walbro 255, AEM 50-1000, and DeatschWerks DW200. These can provide similar fuel flow rates and performance as the Bosch 044 fuel pump.

What Replaced The Bosch 044?

The Bosch 044 has been replaced by the Bosch 044 Motorsport fuel pump.

Is The Aem Fuel Pump Good?

Yes, the AEM fuel pump is reliable and performs well. It is known for its quality and durability.

How Much Horsepower Does A Bosch 044 Have?

The Bosch 044 fuel pump typically has a horsepower of around 255. It is known for its high flow rate and ability to handle high pressure, making it a popular choice among performance enthusiasts.


Both the AEM 380 and Bosch 044 fuel pumps have their strengths and weaknesses. The AEM 380 offers better flow rates and efficiency, while the Bosch 044 is known for its durability and reliability.

Ultimately, the choice between the two depends on your specific vehicle and performance needs. Consider consulting a professional to make the best decision for your vehicle.

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