3934476
Banjo Connector
Cummins®

The 3934476 Banjo Connector, manufactured by Cummins, is a component used in commercial truck operations. Cummins is a well-established name in the industry, known for producing reliable and high-performance diesel engines and related components. This part is designed to facilitate the connection of hydraulic or fuel lines in trucks, ensuring efficient fluid transfer and system operation.

Basic Concepts of Banjo Connectors

A banjo connector is a type of fitting used in fluid systems to join two pipes or hoses. It typically consists of a short, cylindrical body with a bolt or nut on one end and a threaded port on the other. The name “banjo” comes from the shape of the fitting, which resembles the musical instrument. In a truck’s hydraulic or fuel system, the banjo connector allows for the secure and leak-proof connection of lines, enabling the transfer of fluids under pressure ¹.

Purpose of the 3934476 Banjo Connector

The 3934476 Banjo Connector is specifically designed for use in the hydraulic or fuel lines of commercial trucks. It plays a role in maintaining the integrity of the fluid system by providing a reliable connection point. This ensures that fluids are delivered efficiently to various components of the truck, supporting its overall performance and functionality ².

Key Features

This Cummins part is constructed from high-quality materials, ensuring durability and resistance to corrosion. Its design includes a precision-machined port for a secure fit and optimal fluid flow. Additionally, the connector features a robust bolt or nut mechanism that allows for easy installation and removal, while also providing a tight seal to prevent leaks ³.

Benefits

The 3934476 Banjo Connector offers several advantages. Its durable construction ensures long-term reliability, reducing the need for frequent replacements. The ease of installation makes it a convenient choice for maintenance and repair tasks. Furthermore, the connector’s design helps maintain fluid integrity, contributing to the efficient operation of the truck’s hydraulic or fuel system.

Installation Process

To install the 3934476 Banjo Connector, first, ensure that the connecting lines are clean and free of debris. Apply a compatible thread sealant to the threads of the connector to enhance the seal. Carefully align the connector with the port on the line and tighten the bolt or nut using the appropriate tools. It is important to achieve the correct torque specification to ensure a secure fit without over-tightening, which could damage the connector or the line.

Maintenance Tips

Regular maintenance of the 3934476 Banjo Connector is important to ensure its longevity and optimal performance. Inspect the connector and surrounding lines for signs of wear, corrosion, or leaks during routine checks. Clean the connector and lines as needed to remove any buildup that could affect fluid flow. If any issues are detected, address them promptly to prevent further damage to the system.

Troubleshooting Common Issues

Common problems associated with banjo connectors include leaks and corrosion. If a leak is detected, inspect the connector and lines for damage or misalignment. Tighten the connector if necessary, or replace it if damage is found. Corrosion can be addressed by cleaning the affected areas and applying a corrosion-resistant coating. Regular maintenance can help prevent these issues from occurring.

Safety Considerations

When working with the 3934476 Banjo Connector, it is important to observe safety practices. Ensure that the truck’s engine is off and the system is depressurized before beginning any work. Use appropriate personal protective equipment, such as gloves and safety glasses, to protect against fluid contact and debris. Follow all manufacturer guidelines and safety instructions to ensure a safe working environment.

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 strong reputation for quality and innovation in the commercial truck industry. The company offers a wide range of products and services designed to meet the needs of customers in various sectors, including transportation, construction, and agriculture.

Cummins Banjo Connector 3934476 Compatibility

The Cummins Banjo Connector part number 3934476 is designed to fit a variety of Cummins engines, ensuring a secure and leak-proof connection for hydraulic or fuel lines. Below is a detailed description of its compatibility with the listed engines:

4B3.9 and QSB3.9 30 CM550

The 3934476 Banjo Connector is compatible with the 4B3.9 and QSB3.9 30 CM550 engines. These engines are known for their robust performance and reliability, often used in agricultural and industrial applications. The connector ensures that hydraulic or fuel lines are securely attached, preventing any leaks that could compromise engine performance.

6B5.9 and QSB4.5 CM850 (CM2850)

This part also fits the 6B5.9 and QSB4.5 CM850 (CM2850) engines. These engines are part of the Cummins QSB series, which is renowned for its durability and efficiency. The 3934476 Banjo Connector provides a reliable connection for the hydraulic or fuel lines, ensuring the engine operates smoothly and efficiently.

6C8.3 and QSB5.9 30 CM550

The 3934476 Banjo Connector is also suitable for the 6C8.3 and QSB5.9 30 CM550 engines. These engines are part of the Cummins QSB series and are designed for heavy-duty applications. The connector’s design ensures a tight and secure fit, which is crucial for maintaining the integrity of the hydraulic or fuel systems in these demanding environments.

ISB CM550 and ISL CM554

The ISB CM550 and ISL CM554 engines are also compatible with the 3934476 Banjo Connector. These engines are part of the Cummins ISB and ISL series, known for their power and efficiency. The connector’s design ensures that the hydraulic or fuel lines are securely fastened, which is essential for the reliable operation of these engines.

ISC CM850 and ISL9 CM2150 SN

Lastly, the ISC CM850 and ISL9 CM2150 SN engines are compatible with the 3934476 Banjo Connector. These engines are part of the Cummins ISC and ISL series, which are widely used in various industrial applications. The connector ensures that the hydraulic or fuel lines are securely attached, preventing leaks and ensuring the engine operates at peak performance.

By providing a secure and leak-proof connection, the 3934476 Banjo Connector is an essential component for maintaining the integrity and performance of these Cummins engines.

Role of Part 3934476 Banjo Connector in Engine Systems

The Banjo Connector, identified by part number 3934476, is an essential component in the intricate network of fuel and turbocharger plumbing within engine systems. It serves as a pivotal junction point, facilitating the secure connection between various fuel lines and components.

In fuel systems, the Banjo Connector is commonly used to link the fuel filter to the fuel supply tube. This connection ensures a leak-free passage of fuel from the fuel transfer pump to the engine, maintaining consistent fuel pressure and flow. When integrated into a fuel filter assembly kit or fuel filter plumbing kit, the Banjo Connector enhances the reliability and efficiency of the fuel delivery system.

Furthermore, the Banjo Connector plays a significant role in turbocharger plumbing. It is often employed to connect the turbocharger to the fuel lines, ensuring that the turbocharger receives the necessary fuel supply for optimal performance. This connection is vital for the turbocharger’s operation, as it relies on precise fuel delivery to function efficiently.

Additionally, the Banjo Connector is utilized in conjunction with flexible hose and molded hose to create robust and durable connections in fuel plumbing systems. Its design allows for easy installation and removal, making it a preferred choice for both maintenance and upgrades in engine systems.

In summary, the Banjo Connector (part 3934476) is a versatile and reliable component that enhances the functionality and performance of fuel and turbocharger plumbing systems in engines. Its role in ensuring secure and leak-free connections between various components underscores its importance in maintaining the overall efficiency and reliability of engine operations.

Conclusion

The 3934476 Banjo Connector is a critical component in the hydraulic and fuel systems of commercial trucks, ensuring efficient fluid transfer and system operation. Its durable construction, ease of installation, and reliable performance make it an essential part for maintaining the integrity and functionality of truck engines. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.