Katerina Swanson
The Bosch 044 fuel pump is a high-performance, high-flow external electric fuel pump known for its reliability and substantial fuel delivery capacity. It is designed to meet the demands of high-horsepower engines, delivering the increased fuel volume required by these engines. The pump's specifications include a flow rate of approximately 200 to 300 liters per hour at 5 bar, an operating pressure range of 3 to 6.5 bar, and compatibility with various fuel types. Its performance, durability, and versatility have made it a popular choice for automotive enthusiasts and professionals seeking dependable fuel delivery for their high-horsepower vehicles.
| Characteristics | Values |
|---|---|
| Horsepower | 500-600+ |
| Flow rate | 200-300 liters per hour (LPH) or 52.8 US gallons per hour (GPH) |
| Operating pressure range | 3-6.5 bar (43.5-95 PSI) |
| Deadhead pressure capability | 10 bar (145 PSI) |
| Nominal system voltage | 12-13.5V |
| Current draw | 7.5-9.5 Amps (up to 14 Amps) |
| Peak current draw | 25 Amps |
| Material | Hard-anodized aluminum |
| Inlet port | M14 x 1.5 (male thread) |
| Outlet port | M12 x 1.5 (male thread) |
| Dimensions | 180mm long (excluding connectors) x 57mm diameter body |
| Temperature range | -40°C to +100°C |
| Fuel compatibility | Gasoline, diesel, bio-diesel blends, ethanol blends, alternative fuels |
| Installation | External only |
| Weight | 0.70 kg (1.5 lbs) |
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What You'll Learn
The Bosch 044 fuel pump can support 600+ horsepower
The Bosch 044 fuel pump is a high-performance, high-flow external electric fuel pump. It is renowned for its exceptional reliability, substantial fuel delivery capacity, and suitability for demanding applications. Its key specifications include a flow rate of approximately 200 to 300 liters per hour (LPH) or 52.8 US gallons per hour (GPH) at 5 Bar (72.5 PSI), an operating pressure range of 3 to 6.5 Bar (43.5 to 95 PSI), and compatibility with gasoline and most ethanol blends. Its performance, reliability, and durability have made it a popular choice for automotive enthusiasts and professionals seeking to upgrade their fuel delivery systems.
The Bosch 044 fuel pump's high flow rate and pressure handling capability make it suitable for supporting a wide range of horsepower applications. While the exact horsepower supported can vary depending on specific engine specifications, fuel type, boost levels, and other factors, the Bosch 044 fuel pump is generally capable of supporting 600+ horsepower in turbocharged or supercharged engines. In naturally aspirated engines, the Bosch 044 fuel pump can typically support well over 500 horsepower.
The high flow rate of the Bosch 044 fuel pump, often rated at 200 to 300 LPH, is a key factor in its ability to support high horsepower applications. This flow rate significantly exceeds that of many stock fuel pumps, providing a substantial increase in fuel delivery capability. The Bosch 044's pressure handling capability is also impressive, with a maximum continuous operating pressure of 6.5 Bar (94.2 to 95 PSI) and the ability to handle peak pressures up to 10 Bar (145 PSI). This pressure handling capability makes it well-suited for high-boost forced induction applications.
The Bosch 044 fuel pump's combination of high flow rate, pressure capability, and durability has made it a popular choice for automotive enthusiasts seeking to upgrade their fuel delivery systems. Its performance and reliability have been proven in various applications, from high-horsepower modified street cars to dedicated race vehicles. The Bosch 044 fuel pump's ability to support 600+ horsepower in turbocharged or supercharged engines makes it a versatile and powerful option for those seeking significant horsepower gains.
It's important to note that proper electrical supply and installation are critical for the Bosch 044 fuel pump to deliver its rated performance and ensure longevity. Upgrading the power wiring and relay supplying the pump is essential due to its higher power demands compared to many stock pumps. Additionally, the Bosch 044 fuel pump is designed as an external pump and should not be submerged in fuel as it can cause damage. Overall, the Bosch 044 fuel pump is a top-tier choice for those seeking dependable and high-performance fuel delivery in high-horsepower applications.
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$10.87
It is suitable for high-horsepower modified street cars and race vehicles
The Bosch 044 fuel pump is a high-performance, high-flow external electric fuel pump. It is renowned for its exceptional reliability, substantial fuel delivery capacity, and suitability for demanding applications. Its key specifications include a flow rate of approximately 200 to 300 liters per hour (LPH) or 52.8 US gallons per hour (GPH) at 5 Bar (72.5 PSI), an operating pressure range of 3 to 6.5 Bar (43.5 to 95 PSI), and compatibility with gasoline and most ethanol blends. Its robust design, featuring hardened internals, corrosion-resistant materials, and metal housing, ensures longevity even in extreme environments.
The Bosch 044 fuel pump is particularly suitable for high-horsepower modified street cars and race vehicles. Its high flow rate and pressure capability make it a popular choice for turbocharged engines, high-horsepower builds, and demanding diesel applications. It can support naturally aspirated engines producing well over 500 horsepower and turbocharged/supercharged engines in the 600+ horsepower range. This makes it an excellent option for those seeking significant horsepower gains or upgrading high-performance engines in modified street cars and race vehicles.
The Bosch 044's performance and durability have made it a legendary choice for motorsport applications. Its ability to deliver high flow rates at substantial pressure with exceptional durability sets it apart. The pump operates at a nominal system voltage of 12 to 13.5 Volts, delivering a flow rate of 200 liters per hour (L/H) at fuel pressures of 5 to 7 bar and drawing approximately 7.5 to 14 Amps of current. Its metal housing provides superior heat dissipation, and its hardened internals and corrosion-resistant materials ensure durability.
The Bosch 044 fuel pump's suitability for high-horsepower modified street cars and race vehicles is further enhanced by its versatility. It is compatible with various fuels, including gasoline, diesel, bio-diesel blends, and alternative fuels. Additionally, its standardized metric inlet and outlet ports make sourcing or adapting fuel lines straightforward. The pump's physical dimensions, with a body diameter of approximately 57mm and a length of about 180mm, also make it a versatile choice for modified street cars and race vehicles, as it can be mounted in various locations with minimal plumbing changes.
Overall, the Bosch 044 fuel pump is a top-tier choice for high-horsepower modified street cars and race vehicles due to its exceptional performance, reliability, durability, and versatility. Its high flow rate, pressure capability, and compatibility with demanding applications make it a popular option for those seeking to upgrade their vehicles' fuel delivery systems.
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The pump has a flow rate of 200 litres per hour
The Bosch 044 fuel pump is a high-performance, high-flow external electric fuel pump. It is a popular choice for enthusiasts and professionals seeking dependable fuel delivery for high-horsepower engines. The pump's key specifications include a flow rate of approximately 200 litres per hour (LPH) at a system pressure of 3 bar (43.5 PSI) and a nominal supply voltage of 13.5 volts. This flow rate is substantial and can support naturally aspirated engines producing well over 500 horsepower. At higher fuel pressures, the flow rate decreases, for example, at 5 bar (72.5 PSI), the flow rate is approximately 155 LPH, and at 6 bar (87 PSI), it drops to around 130 LPH.
The Bosch 044's high flow rate and pressure capability make it suitable for a wide range of applications, including high-horsepower, modified naturally aspirated engines, turbocharged and supercharged engines, and forced induction applications. Its exceptional durability and reliability make it a top choice for demanding motorsport and racing applications.
When compared to other fuel pumps, such as the Bosch 040, the Bosch 044 offers significantly higher flow rates, providing a substantial increase in fuel delivery capability. This makes it ideal for power upgrades beyond the capabilities of most stock in-tank fuel pumps.
The Bosch 044's combination of high flow rates, pressure capability, durability, and versatility has made it a dominant force in performance fuel delivery for decades. It is often used as a primary pump within surge tanks and in secondary (staged) pump systems to increase total system capacity.
In summary, the Bosch 044 fuel pump, with its flow rate of 200 litres per hour, is a high-performance and versatile solution for a wide range of applications requiring dependable and substantial fuel delivery. It is renowned for its exceptional reliability and durability, making it a popular choice for high-horsepower engines and demanding motorsport and racing scenarios.
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It is not suitable for diesel fuel
The Bosch 044 fuel pump is a high-performance, high-flow external electric fuel pump. It is renowned for its exceptional reliability, substantial fuel delivery capacity, and suitability for demanding applications ranging from high-horsepower modified street cars to dedicated race vehicles.
While the Bosch 044 fuel pump is compatible with gasoline and most ethanol blends, it is important to note that it is not suitable for diesel fuel. This limitation is worth emphasizing, as using the wrong fuel type can have significant consequences.
Bosch has addressed this issue by introducing the Bosch 200, which is the upgrade or replacement for the Bosch 044. The Bosch 200 is specifically rated for diesel fuel use and offers several advantages over its predecessor. Firstly, it has a higher flow rate, delivering approximately 275 liters per hour (LPH) of diesel fuel at 13 volts and 60 psi. This increased flow rate can support up to a 300cc fuel injector in a 7.3L or 6.0L Powerstroke application.
Additionally, the Bosch 200 is designed to be a direct replacement for the Bosch 044. It includes components such as an inlet adapter and an outlet check valve, making it easy to install in place of the older model. The Bosch 200 also weighs about 15% less than the Bosch 044, contributing to overall vehicle weight reduction.
In conclusion, while the Bosch 044 fuel pump is an exceptional choice for gasoline and ethanol-based engines, it is not suitable for diesel fuel. For diesel applications, the Bosch 200 fuel pump is the recommended upgrade, offering increased flow rates, compatibility, and the ability to safely and effectively handle diesel fuel.
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The pump has a maximum continuous operating pressure of 6.5 bar
The Bosch 044 fuel pump is a high-performance, high-flow external fuel pump. It is widely recognised for its reliability, fuel delivery capacity, and versatility across a wide range of applications. The pump is engineered to deliver the increased fuel volume required by high-horsepower engines.
The Bosch 044 fuel pump has a maximum continuous operating pressure of 6.5 bar (approximately 94.2-95 PSI). This is the highest fuel pressure the pump can handle reliably over the long term. The pump's operating pressure range is between 3 to 6 bar (43.5 to 87 PSI), and it can withstand peak pressures of up to 10 bar (145 PSI).
The Bosch 044's high maximum operating pressure is a key factor in its ability to support high-horsepower engines. This pressure capability, combined with its substantial flow rate, makes it suitable for a range of demanding applications, including turbocharged engines, high-horsepower builds, and modern high-pressure direct injection systems.
The pump's performance in terms of horsepower support will depend on several factors, including the specific engine, fuel type, boost levels, injector size, and overall system efficiency. As a general guideline, a single Bosch 044 can support naturally aspirated engines producing over 500 horsepower and turbocharged/supercharged engines in the 600+ horsepower range.
The Bosch 044's high-pressure capability, durability, and performance have made it a popular choice for automotive enthusiasts and professionals seeking dependable fuel delivery for their high-horsepower vehicles.
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Frequently asked questions
The Bosch 044 fuel pump can support 600+ horsepower reliably on gasoline or E85. However, this depends on factors such as fuel pressure, injector duty cycle, specific engine requirements, and safety margins. For example, a single Bosch 044 can support naturally aspirated engines making up to 500-600 horsepower, and boosted engines in the 400-500+ horsepower range.
The flow rate of the Bosch 044 fuel pump is approximately 200 liters per hour (LPH) or 52.8 US gallons per hour (GPH) at 5 Bar (72.5 PSI).
The Bosch 044 fuel pump has a maximum continuous operating pressure of 6.5 bar (94.2-95 PSI). It can operate at fuel pressures of 5 bar (72.5 PSI), 6 bar (87 PSI), and 7 bar (101.5 PSI).
The Bosch 044 fuel pump is designed for a nominal system voltage of 12V-13.5V. It draws approximately 7.5 to 9.5 Amps under typical operating loads, but the actual current draw may increase with higher fuel pressure demands and heavy loads.
No, Bosch specifies that the Bosch 044 fuel pump should be mounted with the inlet facing downwards. Proper mounting orientation and securing the pump to minimize vibration are critical for optimal performance.
