4937301
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 4937301, is a component manufactured by Cummins, a leader in diesel engine technology. This screw is significant in the realm of commercial trucks due to its robust design and reliable performance. It is commonly used in various fastening applications within truck mechanics, ensuring components are securely attached. The screw’s design, featuring a hexagonal head and a flange, allows for efficient installation and removal, making it a preferred choice for many truck maintenance and assembly tasks.

Basic Concepts and Functionality

The Hexagon Flange Head Cap Screw operates on fundamental principles of mechanical fastening. Its hexagonal head provides a stable surface for tools, allowing for precise torque application. The flange at the base of the screw head serves to distribute the load over a larger area, reducing the risk of the screw pulling through the material it is securing. Within truck mechanics, this screw plays a role in fastening and securing various components, contributing to the overall structural integrity and performance of the vehicle ¹.

Purpose and Role in Truck Operation

This Cummins part serves a specific purpose in truck operation by securing critical components. It is often used to fasten engine parts, body panels, and other structural elements. The screw’s function is vital in maintaining the truck’s integrity and performance, as it ensures that components remain firmly in place under various operating conditions. Its reliable fastening capability helps prevent component failure and ensures the truck operates efficiently ².

Key Features

The Hexagon Flange Head Cap Screw boasts several key features that contribute to its effectiveness and durability. Its hexagonal head design allows for secure tool engagement, facilitating easy installation and removal. The flange characteristic provides additional surface area for load distribution, enhancing the screw’s holding power. Additionally, the material composition of the screw, typically a high-strength alloy, ensures it can withstand the rigors of truck operation, including exposure to vibrations and varying temperatures ³.

Benefits

Using the Hexagon Flange Head Cap Screw in truck maintenance and assembly offers several benefits. The screw’s design enhances security by providing a stable and reliable fastening solution. Its resistance to vibration helps maintain a secure fit over time, reducing the need for frequent re-tightening. Furthermore, the ease of installation and removal simplifies maintenance tasks, allowing for efficient truck servicing.

Installation and Usage Guidelines

Correct installation of the Hexagon Flange Head Cap Screw is vital for ensuring a secure fit and optimal performance. When installing the screw, it is important to use the appropriate torque settings to avoid over-tightening, which can damage the screw or the material it is securing. Proper alignment of the screw with the fastening hole is also crucial to ensure even load distribution. Selecting the correct screw size and type for the specific application is necessary to achieve the desired fastening strength and durability.

Troubleshooting and Maintenance

Common issues associated with the Hexagon Flange Head Cap Screw may include loosening over time due to vibration or corrosion. To address these problems, regular inspections should be conducted to ensure screws remain tight and free from corrosion. If a screw is found to be loose, it should be re-tightened to the specified torque setting. In cases of corrosion, the affected screw may need to be replaced to maintain structural integrity. Proper maintenance, including regular checks and timely replacements, can prolong the lifespan of the screw and ensure optimal performance.

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 itself as a trusted name in the diesel engine and component industry. The company’s commitment to quality and innovation is evident in its extensive product range, which includes a variety of components designed to enhance the performance and reliability of commercial trucks. Cummins’ expertise in diesel technology and its dedication to customer satisfaction make it a preferred choice for truck manufacturers and maintenance professionals alike.

Cummins Part 4937301 in ISB Engines

The Cummins part 4937301, a Hexagon Flange Head Cap Screw, is integral to the assembly and maintenance of various ISB engines. This part is designed to provide secure fastening in critical applications within the engine, ensuring that components remain tightly connected under operational stresses.

ISB (Chrysler) and ISB CM2150

In the ISB and ISB CM2150 engines, the Hexagon Flange Head Cap Screw is utilized in several key areas. These engines, known for their robust performance, require reliable fastening solutions to maintain structural integrity. The part 4937301 is often employed in securing engine covers, brackets, and other components that are exposed to high temperatures and vibrations. Its design allows for easy installation and removal, facilitating maintenance and repairs.

ISB6.7 CM2250

The ISB6.7 CM2250 engine also benefits from the use of the Hexagon Flange Head Cap Screw. This engine, part of the Cummins ISB6.7 series, is designed for heavy-duty applications, demanding high reliability and durability. The part 4937301 is used in securing various engine parts, including those that are critical to the engine’s operation and longevity. Its flange head design provides a larger surface area for torque application, ensuring that connections remain tight and secure even under extreme conditions.

Application in Engine Assembly

Across the ISB, ISB CM2150, and ISB6.7 CM2250 engines, the Hexagon Flange Head Cap Screw is a versatile component. Its use in engine assembly is widespread, from securing engine blocks to fastening components in the exhaust and cooling systems. The screw’s design, featuring a hexagonal head, allows for efficient use of tools during installation and removal, enhancing the overall efficiency of maintenance procedures.

Role of Part 4937301 Hexagon Flange Head Cap Screw in Engine Systems

In the context of engine systems, the part 4937301 Hexagon Flange Head Cap Screw is instrumental in ensuring the secure assembly and reliable operation of various components.

Recirculation Systems

Within recirculation systems, this screw is often used to fasten components that manage the flow of fluids or gases back into the system for reuse. This includes securing parts of the oil recirculation system, where it ensures that the oil filter housing, oil galleries, and return lines are tightly connected. The flange head of the screw provides a larger surface area for distribution of clamping force, reducing the risk of leakage and ensuring a consistent flow of oil back into the sump or reservoir.

Exhaust Systems

In exhaust systems, the Hexagon Flange Head Cap Screw plays a significant role in maintaining the integrity of the exhaust manifold and catalytic converter connections. It is commonly employed to secure the manifold to the engine block and to attach the catalytic converter to the exhaust pipe. The flange head design allows for better torque application, which is essential in withstanding the high temperatures and vibrations inherent in exhaust systems. This ensures that the joints remain sealed, preventing exhaust leaks that could lead to performance issues or increased emissions.

By providing a robust and reliable fastening solution, the part 4937301 Hexagon Flange Head Cap Screw contributes to the overall efficiency and durability of both recirculation and exhaust systems in engine applications.

Conclusion

The Hexagon Flange Head Cap Screw, part number 4937301, is a critical component in the maintenance and assembly of commercial trucks and engines. Its robust design, reliable performance, and ease of use make it an essential part for securing various components within truck mechanics and engine systems. Proper installation, maintenance, and understanding of its role in different engine applications ensure the longevity and efficiency of the vehicles it serves.