4316920
Hexagon Flange Head Cap Screw
Cummins®

The 4316920 Hex Flange Head Cap Screw is a specialized fastener designed for heavy-duty truck applications. It serves to secure various components within the truck’s mechanical assemblies. Manufactured by Cummins, a well-established name in the diesel engine and component industry, this screw is engineered to meet the rigorous demands of heavy-duty operations ¹.

Basic Concepts of Hex Flange Head Cap Screws

Hex Flange Head Cap Screws are a type of fastener characterized by a hexagonal head and a flanged base. These screws are commonly used in mechanical assemblies to secure components due to their ability to distribute load effectively and provide a stable fastening solution. The hexagonal head allows for easy tightening and loosening using a wrench or socket, while the flange provides additional surface area to resist loosening under vibration ².

Purpose and Role in Truck Operation

This Cummins part plays a specific role in heavy-duty trucks by securing critical components that are subject to high stress and vibration. Its design ensures that components remain firmly in place, contributing to the overall stability and reliability of the truck’s mechanical systems. This screw is particularly important in applications where the integrity of the fastening is paramount to the safe and efficient operation of the vehicle ³.

Key Features

The 4316920 features a robust design that includes a hexagonal head for easy manipulation and a flanged base to enhance stability. It is composed of high-strength materials that provide durability and resistance to wear. The screw’s design elements are tailored to withstand the demanding conditions of heavy-duty truck environments, ensuring long-lasting performance.

Benefits

Using the 4316920 offers several advantages. It provides improved load distribution across the fastened components, which helps to prevent stress concentrations that could lead to failure. The screw’s design also enhances the security of the fastened components, reducing the risk of loosening due to vibration. Additionally, it is resistant to corrosion, which is vital for maintaining the integrity of the fastening in various environmental conditions.

Installation Guidelines

Proper installation of the 4316920 is crucial for optimal performance. It should be installed using the correct torque specifications to ensure that it is tightened to the manufacturer’s recommended levels. This will help to achieve the desired clamping force without over-tightening, which could damage the screw or the components being fastened. Best practices include using a torque wrench for accurate tightening and ensuring that the mating surfaces are clean and free of debris before installation.

Troubleshooting and Maintenance

Common issues with Hex Flange Head Cap Screws can include loosening due to vibration or corrosion. To troubleshoot these issues, it is important to inspect the screw and the fastened components regularly for signs of wear or damage. Maintenance tips include reapplying a thread locker if necessary and ensuring that the screw is not over-tightened during reinstallation. Keeping the screw and its surroundings clean can also help to prolong its life and ensure reliable performance.

Cummins: Manufacturer Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a history of innovation and a strong reputation in the heavy-duty truck industry, Cummins is known for producing high-quality components that are designed to withstand the rigors of demanding applications. The company’s expertise in engine and component manufacturing is reflected in the reliability and performance of products like the 4316920.

Cummins Hex Flange Head Cap Screw 4316920 Compatibility with Engine Models

The Cummins Hex Flange Head Cap Screw part number 4316920 is designed to fit seamlessly with several engine models, ensuring secure fastening and reliable performance. This part is integral to the assembly and maintenance of the following engines:

B6.7 Series Engines

• B6.7 CM2350 B135B
• B6.7 CM2670 B153B

These engines benefit from the robust design of the 4316920 screw, which provides the necessary strength and stability for critical engine components.

ISBE4 Series Engines

• ISBE4 CM850

The ISBE4 CM850 engine utilizes the 4316920 screw for its durability and precision, ensuring that engine parts remain securely fastened under various operating conditions.

ISZ13 and QSZ13 Series Engines

• ISZ13 CM2150 Z105
• QSZ13 CM2150 Z102

Both the ISZ13 CM2150 Z105 and QSZ13 CM2150 Z102 engines incorporate the 4316920 screw, leveraging its reliability to maintain the integrity of the engine’s structure.

L9 Series Engine

• L9 CM2670 L128B

The L9 CM2670 L128B engine also relies on the 4316920 screw for its fastening needs, ensuring that all components are held firmly in place, contributing to the engine’s overall performance and longevity.

By using the Cummins Hex Flange Head Cap Screw 4316920, these engines achieve a higher level of assembly precision and operational reliability, making it a crucial component in their maintenance and repair processes.

Role of Part 4316920 Hex Flange Head Cap Screw in Engine Systems

In the intricate assembly of engine systems, the 4316920 is instrumental in ensuring the structural integrity and operational efficiency of various components.

Support Structures

The 4316920 is commonly utilized in support structures within engine systems. These support structures are designed to withstand significant mechanical stress and vibrations generated during engine operation. The screw’s hex flange head provides a broad bearing surface, which distributes the load more evenly and reduces the risk of stripping or damage to the fastener. This characteristic is particularly beneficial in support brackets and mounts that secure vital engine components, such as the cylinder block or transmission housing, to the engine frame. The secure fastening ensures that these components remain aligned and stable, contributing to the overall durability and performance of the engine.

Rear Engine Components

In the rear section of engine systems, the 4316920 plays a significant role in attaching and securing various components. For instance, it is often used in the installation of rear engine mounts, which are essential for absorbing vibrations and ensuring smooth operation. The screw’s design allows for easy torque application, enabling precise fastening that is crucial for maintaining the alignment and integrity of the rear engine components. Additionally, it is employed in securing exhaust manifolds and heat shields, where its flange head provides added stability against the high temperatures and dynamic forces encountered in this area.

The consistent and reliable performance of the 4316920 in these applications underscores its importance in maintaining the structural and functional harmony of engine systems.

Conclusion

The 4316920 Hex Flange Head Cap Screw is a critical component in the maintenance and operation of heavy-duty trucks and engines. Its robust design, ease of installation, and resistance to corrosion make it an invaluable fastener for securing critical components under demanding conditions. Proper installation and maintenance are essential to ensure the longevity and reliability of this Cummins part in various engine models.