4928943
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 4928943, is a component manufactured by Cummins, a well-regarded name in the automotive industry. This screw is significant in heavy-duty truck applications due to its robust design and reliable performance. Cummins is known for producing high-quality components that contribute to the efficiency and safety of heavy-duty vehicles ¹.

Basic Concepts

Hexagon Flange Head Cap Screws are designed with a hexagonal head and a flange that provides additional surface area for torque application. These screws are typically made from high-strength materials such as alloy steel, which ensures durability and resistance to wear ². In the automotive industry, these screws are used in various applications where secure fastening is required, such as in engine components, chassis assemblies, and other critical areas.

Purpose and Function

The 4928943 Hexagon Flange Head Cap Screw plays a role in the operation of a truck by securely fastening components that are subject to significant stress and vibration. Its specific applications include attaching engine parts, securing chassis elements, and fastening other critical components. The screw contributes to the overall functionality and safety of the vehicle by ensuring that these parts remain firmly in place under operating conditions.

Key Features

The primary characteristics of the 4928943 Hexagon Flange Head Cap Screw include its hexagonal head design, which allows for efficient torque application using standard tools, and its flange feature, which provides additional grip and prevents the screw from loosening. The cap screw functionality ensures a secure and permanent fastening solution. These features enhance the screw’s performance and reliability in demanding environments.

Benefits

The 4928943 Hexagon Flange Head Cap Screw offers several advantages, including improved torque application due to its hexagonal head, enhanced grip provided by the flange, and resistance to loosening under vibration. These benefits contribute to the longevity and efficiency of truck components by ensuring that fastenings remain secure over time, even in harsh operating conditions ³.

Installation and Usage

Proper installation of the 4928943 Hexagon Flange Head Cap Screw involves using the recommended torque settings to ensure optimal performance and safety. It is important to follow best practices, such as cleaning the fastening area and using the correct tools, to achieve a secure and lasting connection. Adhering to these guidelines helps maintain the integrity of the fastening and the overall performance of the truck.

Troubleshooting and Maintenance

Common issues related to the 4928943 Hexagon Flange Head Cap Screw may include loosening or corrosion. Regular inspection and maintenance practices, such as checking for proper torque and applying corrosion-resistant coatings, can help prolong the screw’s lifespan and ensure continued reliable operation. Addressing these issues promptly can prevent more significant problems down the line.

Cummins Overview

Cummins is a company with a long-standing reputation in the automotive industry for producing high-quality components. Founded in 1919, Cummins has built a legacy of innovation and reliability, particularly in the heavy-duty truck sector. The company’s commitment to quality is evident in its rigorous testing and manufacturing processes, which ensure that components like the 4928943 Hexagon Flange Head Cap Screw meet the high standards required for heavy-duty applications.

Cummins Hexagon Flange Head Cap Screw 4928943 in Engine Applications

The Cummins Hexagon Flange Head Cap Screw, part number 4928943, is a critical component in various engine systems. This part is designed to provide secure fastening in high-stress environments, ensuring the integrity and performance of the engine.

Engine Compatibility

The 4928943 screw is specifically engineered to fit seamlessly with the following Cummins engine models:

• 4B3.9: This engine model utilizes the 4928943 screw in several key areas where secure fastening is essential. The screw’s design ensures that it can withstand the operational stresses and maintain the alignment of various engine components.

Application in Engine Systems

In the 4B3.9 engine, the 4928943 screw is often used in the following applications:

• Cylinder Head Assembly: The screw helps in securing the cylinder head to the engine block, ensuring a tight seal and preventing leaks.
• Turbocharger Mounting: It is used to fasten the turbocharger to its housing, maintaining the turbocharger’s position and alignment.
• Oil Pan and Gaskets: The screw is employed to secure the oil pan and related gaskets, ensuring that the oil system remains sealed and operational.

Importance of the Screw

The use of the 4928943 screw in these applications is crucial for several reasons:

• Durability: The screw’s material and design ensure it can endure the high temperatures and pressures within the engine.
• Precision: The hexagonal flange head allows for precise tightening, which is essential for maintaining the integrity of the engine components.
• Reliability: The screw’s robust construction ensures long-term reliability, reducing the risk of failure and maintenance issues.

Role of Part 4928943 Hexagon Flange Head Cap Screw in Engine Systems

The part 4928943 Hexagon Flange Head Cap Screw is instrumental in ensuring the secure assembly and reliable operation of various engine components. In the context of the fuel pump coupling, this screw plays a significant role in maintaining the integrity and efficiency of the fuel delivery system.

Fuel Pump Coupling

In the fuel pump coupling, the 4928943 Hexagon Flange Head Cap Screw is used to fasten the coupling mechanism that connects the fuel pump to the engine’s fuel system. This screw ensures a tight and stable connection, which is essential for the consistent and efficient transfer of fuel from the pump to the engine.

The flange head of the screw provides additional surface area for distribution of clamping force, reducing the risk of stripping or damage to the coupling components. This design enhances the durability and reliability of the fuel pump coupling, ensuring that the fuel system operates smoothly under various engine conditions.

By securely fastening the coupling, the 4928943 screw helps prevent fuel leaks, which could otherwise lead to dangerous situations or decreased engine performance. Its robust construction and precise threading are tailored to withstand the vibrations and stresses inherent in engine operation, contributing to the overall stability and efficiency of the fuel delivery process.

Conclusion

The 4928943 Hexagon Flange Head Cap Screw is a vital component in heavy-duty truck applications, providing secure fastening in high-stress environments. Its robust design, precise tightening capabilities, and reliable performance make it essential for maintaining the integrity and efficiency of engine systems. Proper installation and maintenance of this Cummins part ensure long-term durability and safety in heavy-duty vehicle operations.