3928143
Fuel Transfer Pump
Cummins®

Introduction

The Cummins 3928143 Fuel Transfer Pump is designed to facilitate the efficient transfer of fuel from the tank to the engine in commercial trucks. This part ensures that the engine receives a consistent and adequate supply of fuel, which is vital for the truck’s performance and operational efficiency.

Basic Concepts of Fuel Transfer Pumps

A fuel transfer pump moves fuel from the storage tank to the engine by creating a pressure differential that allows fuel to flow through the system. In a truck’s fuel system, the transfer pump ensures that fuel is delivered at the correct pressure and volume to meet the engine’s demands, particularly under varying load conditions and during acceleration ¹.

Purpose of the Cummins 3928143 Fuel Transfer Pump

The Cummins 3928143 Fuel Transfer Pump is engineered to transfer fuel from the truck’s fuel tank to the engine. It maintains the necessary fuel pressure and flow rate, which are essential for the engine’s combustion process. By ensuring a steady supply of fuel, the pump contributes to the engine’s overall performance and efficiency.

Key Features

The Cummins 3928143 Fuel Transfer Pump features robust construction materials resistant to the corrosive effects of diesel fuel. It is equipped with advanced sealing technologies to prevent leaks and ensure a tight seal, which is crucial for maintaining fuel pressure. The pump’s compact design allows for easy integration into the truck’s fuel system, while its durable construction ensures long-term reliability.

Benefits of Using the Cummins 3928143 Fuel Transfer Pump

Utilizing this Cummins part offers several advantages. It contributes to improved fuel efficiency by ensuring that the engine receives a consistent fuel supply, which can lead to better overall performance. The pump’s reliable operation reduces the likelihood of fuel-related issues, enhancing the truck’s durability. Furthermore, its efficient design helps minimize fuel waste, contributing to cost savings over time.

Installation and Integration

Proper installation of the Cummins 3928143 Fuel Transfer Pump is vital for its effective operation. It should be integrated into the truck’s fuel system according to the manufacturer’s guidelines. This process may involve ensuring that the fuel lines are correctly connected, that the pump is securely mounted, and that all electrical connections are properly made. Careful attention to these details during installation helps ensure the pump functions as intended.

Troubleshooting Common Issues

Common issues with the Cummins 3928143 Fuel Transfer Pump may include insufficient fuel delivery, unusual noises, or leaks. Troubleshooting these problems often involves checking the fuel lines for blockages or damage, ensuring that the pump is receiving proper electrical power, and inspecting the pump and its connections for signs of wear or corrosion. Addressing these issues promptly can help maintain the pump’s performance and longevity.

Maintenance Tips

Regular maintenance of the Cummins 3928143 Fuel Transfer Pump is important for ensuring its longevity and optimal performance. This includes periodic inspection of the pump and its connections for signs of wear or damage, as well as checking for leaks. Following the manufacturer’s recommended maintenance schedule for filter changes and system checks can help prevent issues and ensure the pump continues to operate efficiently.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for innovation, quality, and reliability in the automotive and heavy-duty truck industry. The company’s commitment to excellence is reflected in its wide range of products, including the Cummins 3928143 Fuel Transfer Pump, which is designed to meet the demanding requirements of commercial truck applications ².

Compatibility

The Cummins Fuel Transfer Pump part number 3928143 is designed to be compatible with several engine models, ensuring seamless integration and reliable performance. Here is a detailed look at the engines with which this part is compatible:

Cummins 4B3.9 and 6B5.9 Engines

The Cummins 4B3.9 and 6B5.9 engines are part of the B-Series engine family, known for their robust construction and efficiency. The 3928143 Fuel Transfer Pump is specifically engineered to fit these engines, providing efficient fuel transfer and maintaining the engine’s operational integrity.

Cummins B6.7S Engine

The B6.7S engine, another member of the B-Series family, benefits from the 3928143 Fuel Transfer Pump. This part ensures that the engine receives a consistent and reliable fuel supply, which is crucial for maintaining optimal performance and longevity.

Cummins QSB3.9 and QSB5.9 Engines

The QSB3.9 and QSB5.9 engines are part of the Quanti-Shift B (QSB) Series, which is known for its versatility and efficiency across various applications. The 3928143 Fuel Transfer Pump is compatible with both these engines, ensuring that they operate smoothly and efficiently.

Cummins QSB5.9 30 CM550 Engine

The QSB5.9 30 CM550 engine is a high-performance variant of the QSB5.9 series. The 3928143 Fuel Transfer Pump is designed to meet the demands of this powerful engine, providing the necessary fuel transfer capabilities to support its high output and demanding operational conditions.

This compatibility ensures that the 3928143 Fuel Transfer Pump can be used across a range of Cummins engines, providing a reliable and efficient solution for fuel transfer needs.

Role of Part 3928143 Fuel Transfer Pump in Engine Systems

The Part 3928143 Fuel Transfer Pump is an essential component in various engine systems, facilitating the efficient movement of fuel from the tank to the engine. This pump is integral to the fuel system, ensuring a consistent and reliable fuel supply to the engine under all operating conditions.

Integration with Engine Components

1. Fuel System: The fuel transfer pump works in conjunction with the fuel system to maintain optimal fuel pressure and flow. It is positioned between the fuel tank and the engine’s fuel injection system, ensuring that fuel is adequately pressurized before it reaches the injectors.
2. Lift Pump: In systems where a lift pump is utilized, the fuel transfer pump often acts as a secondary pump to boost fuel pressure further. This setup is common in diesel engines where higher fuel pressures are required for efficient combustion.
3. Accessories: The pump is often included in accessories kits designed for engine upgrades or maintenance. These kits may contain various components necessary for enhancing engine performance or replacing worn-out parts.
4. VE Conversion Kit: For engines undergoing a VE conversion, the fuel transfer pump plays a significant role in adapting the fuel system to the new configuration. It ensures that the converted engine receives the appropriate fuel supply for optimal performance.
5. Marine Spare Parts Kit: In marine applications, the fuel transfer pump is a vital component of the marine spare parts kit. It ensures that marine engines have a reliable fuel supply, which is essential for the safe and efficient operation of the vessel.
6. Fuel Transfer: The primary function of this pump is to facilitate fuel transfer from the storage tank to the engine. This process is vital for maintaining engine operation, especially in systems where gravity feed is insufficient.

Enhanced Engine Performance

By ensuring a consistent and pressurized fuel supply, the Part 3928143 Fuel Transfer Pump contributes to enhanced engine performance. It helps in achieving better fuel atomization, which leads to more efficient combustion and improved engine efficiency. Additionally, it reduces the risk of fuel starvation, which can cause engine misfires or stalls.

Conclusion

The Cummins 3928143 Fuel Transfer Pump is a key component in various engine systems, playing a significant role in maintaining a reliable and efficient fuel supply. Its integration with other components such as the fuel system, lift pump, and accessories kits underscores its importance in engine operation and performance.