3284917
Banjo Connector Screw
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$77.95 $92.76

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 3284917 Banjo Connector Screw is a component used in commercial truck operations. Cummins, a well-established name in the industry, produces a range of parts designed to enhance the efficiency and reliability of truck systems. This part is integral to the fluid systems in trucks, ensuring secure and efficient fluid transfer.

Basic Concepts and Functionality

A Banjo Connector Screw is a type of fitting used in fluid systems to connect hoses to various components. It typically consists of a bolt with a banjo fitting attached, which has a flat surface to seal against a mating surface. In a truck’s hydraulic or fuel system, this part facilitates the transfer of fluids by providing a secure connection point. This ensures that fluids such as hydraulic oil or fuel are delivered efficiently and without leaks 1.

Purpose of the 3284917 Banjo Connector Screw

This Cummins part plays a role in the operation of a truck by connecting hoses to fittings within the hydraulic or fuel system. Its function is to ensure a secure and leak-free transfer of fluids, which is vital for the proper operation of the truck’s systems. By providing a reliable connection, it helps maintain the integrity of the fluid pathways, ensuring that the hydraulic or fuel systems perform as intended.

Key Features

The 3284917 Banjo Connector Screw boasts several key features that enhance its performance and durability. It is made from high-quality materials, typically steel or stainless steel, which provide resistance to corrosion and wear. The thread type is designed to ensure a tight and secure fit, preventing leaks. Additionally, the design of the banjo fitting allows for easy installation and removal, making it a practical choice for maintenance and repair tasks 2.

Benefits

The advantages of using the 3284917 Banjo Connector Screw include improved sealing capabilities, which reduce the risk of fluid leaks. Its ease of installation makes it a convenient option for technicians, allowing for quick and efficient repairs. Furthermore, its resistance to corrosion and high pressures ensures longevity and reliability in demanding truck environments.

Installation Process

To install the 3284917 Banjo Connector Screw, begin by ensuring that the mating surface is clean and free of debris. Apply a suitable sealant to the banjo fitting to enhance the seal. Use a torque wrench to tighten the screw to the manufacturer’s specified torque settings, ensuring a secure fit without over-tightening. It is important to follow the correct sequence and use the appropriate tools to avoid damaging the fitting or the hose.

Maintenance and Troubleshooting

Regular maintenance of the 3284917 Banjo Connector Screw involves checking for signs of wear or corrosion and ensuring that the connections remain tight. Common issues may include leaks, which can often be addressed by re-tightening the screw or replacing the sealant. If corrosion is present, the fitting may need to be replaced to ensure continued reliable operation.

Safety Considerations

When working with the 3284917 Banjo Connector Screw, it is important to follow safety practices to prevent injury and ensure proper installation. Wear appropriate personal protective equipment, such as gloves and safety glasses. Be aware of the potential hazards associated with hydraulic or fuel systems, including high pressure and flammable fluids. Always refer to the manufacturer’s guidelines and safety data sheets for specific handling procedures 3.

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 in the commercial truck industry for producing reliable and high-performance parts. Their product range includes engines, powertrains, and aftermarket parts, all designed to meet the demanding requirements of commercial transportation.

Cummins Banjo Connector Screw 3284917 in Engine Applications

The Cummins Banjo Connector Screw, part number 3284917, is a component in the engine systems of various Cummins engines. This part is designed to securely attach and seal the banjo fittings, which are commonly used in hydraulic and fuel systems within engines. Its role is pivotal in maintaining the integrity of fluid lines and preventing leaks, which is essential for the optimal performance and longevity of the engine.

Application in Specific Cummins Engines

4B3.9 and 6B5.9 Engines

In the 4B3.9 and 6B5.9 engines, the banjo connector screw is utilized in several key areas. These engines, known for their robust design and reliability, often incorporate this screw in their hydraulic and fuel delivery systems. The screw ensures that the connections between the banjo fittings and the engine components are tight and leak-proof, which is crucial for maintaining system pressure and efficiency.

Grouping of Engines

The 4B3.9 and 6B5.9 engines share similarities in their design and operational requirements, making the banjo connector screw a common component across both models. This commonality allows for easier maintenance and part compatibility, which is beneficial for technicians and operators who service these engines.

Importance of the Banjo Connector Screw

The banjo connector screw is integral to the functionality of the engines it serves. Its primary function is to provide a secure and reliable connection for the banjo fittings, which are often used in high-pressure environments. The screw’s design ensures that the connection remains tight and does not degrade over time, which is essential for the safety and efficiency of the engine systems.

By using the banjo connector screw, the engines can maintain the necessary pressure and flow of fluids, which is critical for their operation. This part’s reliability and effectiveness make it a staple in the maintenance and repair of Cummins engines, including the 4B3.9 and 6B5.9 models.

Role of Part 3284917 Banjo Connector Screw in Engine Systems

The 3284917 Banjo Connector Screw is integral to the efficient operation of several engine systems, ensuring reliable fluid transfer and system integrity.

Air Intake Heater (AIH) System

In the AIH system, the Banjo Connector Screw facilitates the connection between the fuel supply line and the heater unit. This connection is vital for delivering fuel to the heater, which is essential for preheating the air intake during cold starts. The secure fitting provided by the screw ensures that fuel is delivered consistently without leaks, maintaining the heater’s performance and the engine’s overall efficiency.

Air Heater Starting (AHS) System

Within the AHS system, the Banjo Connector Screw plays a significant role in connecting the hydraulic lines to the air heater. This connection is necessary for the operation of the air heater, which helps in warming the engine and cabin more quickly during startup in cold conditions. The screw’s design ensures a tight seal, preventing any hydraulic fluid leaks that could compromise the system’s functionality.

Aid System

In systems where an auxiliary component requires fluid transfer, such as in certain aid systems, the Banjo Connector Screw ensures a secure connection between the fluid lines and the component. This is particularly important in systems where precise fluid delivery is required to maintain performance and reliability. The screw’s role in these systems helps in maintaining the integrity of the fluid pathways, ensuring that the aid system operates effectively.

Conclusion

The 3284917 Banjo Connector Screw is a critical component in the fluid systems of commercial trucks and Cummins engines. Its design and functionality ensure secure and efficient fluid transfer, which is essential for the proper operation of hydraulic and fuel systems. Regular maintenance and adherence to safety practices are important to ensure the longevity and reliability of this part.


  1. Heywood, John. Internal Combustion Engine Fundamentals. McGraw-Hill Education, 2019.

  2. Hilgers, Michael. Entire Vehicle: Second Edition. Springer Nature, 2023.

  3. Cummins Inc. Operation and Maintenance Manual. Bulletin Number 6309061, QST30 CM2350 T103C.

SPECIFICATIONS

Weight
0 lb
Package Dimensions
1.0 x 1.0 x 1.0 in
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.