5370404
Banjo Connector Screw
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$15.95 $18.98

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 5370404 Banjo Connector Screw, manufactured by Cummins, is a component designed for use in commercial truck operations. Cummins, a well-established name in the industry, produces a range of high-quality parts that contribute to the efficiency and reliability of truck systems. This Cummins part is integral to the fluid systems within trucks.

Basic Concepts of Banjo Connector Screws

A banjo connector screw is a type of fitting used in fluid systems to connect hoses or pipes to various components 1. It typically consists of a bolt with a hollow body, often referred to as a “banjo bolt,” and a sealing washer. The design allows for the secure attachment of flexible hoses to rigid pipes or components, facilitating the transfer of fluids such as hydraulic oil or fuel. The banjo connector screw operates by creating a sealed connection that can withstand the pressures and movements inherent in a truck’s hydraulic or fuel system.

Purpose of the 5370404 Banjo Connector Screw

The 5370404 Banjo Connector Screw serves a specific role in the operation of a truck. It is designed to connect hoses or pipes to various components within the truck’s hydraulic or fuel system. This connection is vital for the efficient transfer of fluids, ensuring that systems such as brakes, transmissions, and fuel delivery operate correctly. The screw’s design allows for a secure and leak-free connection, which is crucial for maintaining system integrity and performance.

Key Features

The 5370404 Banjo Connector Screw is characterized by several design and construction features that enhance its performance and durability. It is typically made from high-strength materials, such as stainless steel, which provide resistance to corrosion and high pressures 2. The thread type is designed to ensure a tight and secure fit, while the sealing washer is made from materials that can withstand the fluid being transferred. These features contribute to the screw’s reliability and longevity in demanding truck applications.

Benefits

Using the 5370404 Banjo Connector Screw offers several advantages. Its design allows for improved sealing, reducing the risk of leaks that can compromise system performance. The screw is also easy to install, with a straightforward design that simplifies the connection process. Additionally, its resistance to corrosion and high pressures ensures that it can withstand the rigors of commercial truck operations, providing a durable and reliable solution for fluid system connections.

Installation Process

Proper installation of the 5370404 Banjo Connector Screw involves several steps to ensure a secure and leak-free connection. Begin by ensuring that the mating surfaces are clean and free of debris. Apply a suitable thread sealant to the threads of the screw to enhance the seal. Using the appropriate tools, carefully tighten the screw to the specified torque, taking care not to overtighten, which can damage the sealing washer or the threads. Finally, inspect the connection for leaks and make any necessary adjustments.

Maintenance and Troubleshooting

Regular maintenance of the 5370404 Banjo Connector Screw can help prolong its lifespan and ensure reliable operation. Inspect the screw and its connections periodically for signs of wear, corrosion, or leaks. Replace the sealing washer as needed to maintain a secure seal. Common issues that may arise include leaks, which can often be addressed by tightening the screw or replacing the sealing washer. If corrosion is present, cleaning the affected areas and applying a corrosion-resistant coating may be necessary.

Safety Considerations

When working with the 5370404 Banjo Connector Screw, it is important to observe several safety guidelines and precautions. Ensure that the truck’s engine is off and the system is depressurized before beginning any work. Use the appropriate personal protective equipment, such as gloves and safety glasses, to protect against fluid spills or debris. Follow the manufacturer’s torque specifications to avoid overtightening, which can lead to damage or leaks. Additionally, be aware of the fluid being transferred and take appropriate precautions to handle it safely.

Cummins: Manufacturer 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 producing high-quality, reliable components for the commercial truck industry. The company’s extensive product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of commercial truck operations. Cummins’ commitment to innovation, quality, and customer satisfaction makes it a trusted source for truck components, including the 5370404 Banjo Connector Screw 3.

Role of Part 5370404 Banjo Connector Screw in Engine Systems

The Banjo Connector Screw, identified by part number 5370404, is an essential component in the assembly and operation of various engine systems. Its primary function is to secure and seal connections within the fuel system, ensuring the integrity and efficiency of fuel delivery.

Integration with Fittings

In engine systems, the Banjo Connector Screw is often paired with fittings to create secure and leak-proof joints. These fittings are typically used in high-pressure environments, such as fuel lines and hydraulic systems. The screw’s design allows it to clamp down on the fitting, creating a tight seal that prevents fuel leakage. This is particularly important in maintaining the pressure required for optimal engine performance.

Application in Fuel Inlet Systems

The fuel inlet is a key component where the Banjo Connector Screw plays a significant role. The screw is used to connect the fuel line to the fuel inlet, ensuring a secure and sealed connection. This is vital for maintaining the fuel system’s integrity, as any leakage at this point could lead to a drop in fuel pressure, affecting engine performance. The screw’s ability to provide a robust seal helps in maintaining consistent fuel flow into the engine, which is essential for combustion efficiency and overall engine reliability.

Ensuring System Reliability

By securing connections in both fittings and fuel inlets, the Banjo Connector Screw contributes to the reliability and safety of the engine system. Its role in preventing leaks and maintaining pressure ensures that the fuel system operates efficiently, supporting the engine’s performance and longevity.

Conclusion

The 5370404 Banjo Connector Screw is a critical component in the fluid systems of commercial trucks, ensuring secure and leak-free connections that are vital for the efficient operation of hydraulic and fuel systems. Its design, featuring high-strength materials and a robust sealing mechanism, contributes to its durability and reliability in demanding applications. Proper installation, regular maintenance, and adherence to safety guidelines are essential for maximizing the performance and lifespan of this part.


  1. Reif, Konrad Ed. Fundamentals of Automotive and Engine Technology: Standard Drives, Hybrid Drives, Brakes, Safety Systems. Springer Vieweg, 2014.

  2. Rajamani, Rajesh. Vehicle Dynamics and Control. Springer, 2005.

  3. Cummins Inc. Master Repair Manual. Bulletin Number 4332828.

SPECIFICATIONS

Package Dimensions
3.5 x 2.5 x 3.5 in
Weight
0.042 lb
* 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.