3558797
Hexagon Head Cap Screw
Cummins®

The Cummins Part #3558797 Hexagon Head Cap Screw is a specialized fastener designed for use in heavy-duty truck maintenance and operation. This screw plays a significant role in securing various components within the truck, contributing to the overall integrity and stability of the vehicle’s mechanical systems.

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is a type of fastener characterized by its hexagonal head, which allows for efficient tightening and loosening using a wrench or socket. These screws are commonly used in mechanical assemblies to secure components together, providing a strong and reliable connection. The hexagonal shape of the head ensures that the screw can be turned smoothly and with minimal risk of slipping, which is crucial in high-torque applications ¹.

Purpose and Role in Truck Operation

This Cummins part is specifically designed to secure components within heavy-duty trucks. Its role is to ensure the integrity and stability of truck components by providing a strong and durable fastening solution. This screw is often used in applications where high strength and resistance to vibration are required, such as in the engine, transmission, and chassis systems.

Key Features

The Cummins Part #3558797 features a robust material composition, typically consisting of high-grade steel, which enhances its durability and resistance to wear. The screw has a specific thread type that ensures a secure fit and optimal load distribution. Additionally, it may include unique design elements such as a corrosion-resistant coating or a specialized thread profile to further improve its functionality and longevity ².

Benefits

Using the Cummins Part #3558797 Hexagon Head Cap Screw offers several benefits. It provides improved load distribution, ensuring that the fastened components remain securely in place under various operating conditions. The screw’s design enhances the security of the fastened components, reducing the risk of loosening due to vibration. Additionally, its resistance to corrosion and wear contributes to prolonged service life and reliable performance.

Installation Guidelines

Proper installation of this part is crucial for ensuring a secure and lasting fastening. Recommended tools include a torque wrench and the appropriate socket or wrench for the hexagonal head. Torque specifications should be followed closely to achieve the correct tension without over-tightening, which could damage the screw or the components being fastened. Best practices include cleaning the fastening area, using a thread lubricant if necessary, and periodically checking the tightness of the screw to maintain optimal performance ³.

Troubleshooting and Maintenance

Common issues with Hexagon Head Cap Screws include loosening due to vibration, corrosion, and wear. Troubleshooting these issues involves inspecting the screw and the fastened components for signs of damage or wear. Maintenance tips to prolong the life of the screw include regular inspection, re-torquing as needed, and protecting the screw from environmental factors that could lead to corrosion.

Compatibility and Application

The Cummins Part #3558797 is designed for use in various applications within heavy-duty trucks. It is commonly used to secure components in the engine, transmission, and chassis systems. Understanding the specific applications for which this screw is intended helps ensure that it is used correctly and effectively.

Safety Considerations

When working with Hexagon Head Cap Screws, it is important to follow safety considerations to prevent accidents or component failure. This includes proper handling of the screw and tools, adhering to torque specifications, and ensuring that the fastening area is clean and free of debris. Additionally, wearing appropriate personal protective equipment (PPE) can help protect against injuries during installation and maintenance.

Cummins Overview

Cummins Inc. is a leading manufacturer of diesel engines and automotive components, with a history of innovation and quality. The company’s commitment to producing high-quality parts, such as the Part #3558797 Hexagon Head Cap Screw, underscores its role in the automotive industry. Cummins’ expertise in engine technology and component design ensures that their products meet the demanding requirements of heavy-duty truck applications.

Cummins Engine Part 3558797: Hexagon Head Cap Screw

The Cummins part number 3558797, a Hexagon Head Cap Screw, is a versatile component utilized across a variety of Cummins engines. This screw is integral in securing various parts and assemblies within the engine, ensuring structural integrity and operational efficiency. Below is a detailed breakdown of how this part fits within different Cummins engine models:

Cummins B and C Series Engines

• 4B3.9
• 6B5.9
• 6C8.3
• B5.9 G
• C GAS PLUS CM556
• C8.3 G

The Hexagon Head Cap Screw (3558797) is commonly used in the B and C series engines for fastening components such as valve covers, intake manifolds, and other critical assemblies. Its robust design ensures reliable performance under the demanding conditions of these engines.

Cummins ISB, ISC, ISL, ISM, and ISX Series Engines

• ISB CM550
• ISC CM554
• ISL CM554
• ISM CM570
• ISX CM570

In the ISB, ISC, ISL, ISM, and ISX series engines, the part 3558797 is employed in numerous applications, including securing engine blocks, cylinder heads, and various auxiliary components. The screw’s precision and strength are critical in maintaining the alignment and stability of these parts.

Cummins K Series Engines

• K38
• K50

For the K series engines, the Hexagon Head Cap Screw is used in fastening components such as exhaust manifolds and other structural parts. Its application ensures that these parts remain securely in place, contributing to the overall durability and performance of the engine.

Cummins L10 Series Engines

• L10 CELECT
• L10 GAS

In the L10 series engines, the part 3558797 is utilized for fastening components like fuel injectors and other critical parts. The screw’s design ensures that these components are held firmly, which is essential for the efficient operation of the engine.

Cummins M11 Series Engines

• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL

The Hexagon Head Cap Screw is also used in the M11 series engines, where it secures components such as turbochargers and other auxiliary parts. Its use in these engines ensures that these parts are held securely, contributing to the engine’s overall reliability and performance.

Cummins N14 Series Engines

• N14 CELECT PLUS
• N14 MECHANICAL

In the N14 series engines, the part 3558797 is used for fastening components such as the cylinder head and other structural parts. Its application is crucial for maintaining the integrity of these components under high-stress conditions.

Cummins QSB Series Engines

• QSB4.5 CM850(CM2850)
• QSB5.9 44 CM550
• QSB6.7 CM850(CM2850)
• QSB7 CM2880 B117

For the QSB series engines, the Hexagon Head Cap Screw is used in securing various components, including the engine block and other critical parts. Its use in these engines ensures that these components are held firmly, contributing to the engine’s overall durability and performance.

Cummins NH/NT 855

In the NH/NT 855 engine, the part 3558797 is used for fastening components such as the engine block and other structural parts. Its application is crucial for maintaining the integrity of these components under high-stress conditions.

The Cummins part number 3558797, a Hexagon Head Cap Screw, is a critical component in ensuring the structural integrity and operational efficiency of various Cummins engines. Its use across different engine series highlights its versatility and importance in maintaining the performance and reliability of these engines.

Role of Part 3558797 Hexagon Head Cap Screw in Various Components

Air Cleaner

In the air cleaner system, the part 3558797 Hexagon Head Cap Screw is utilized to secure the housing components together. This ensures that the air intake system remains sealed and functions efficiently, allowing for optimal air flow into the engine.

Air Compressor and Air Compressor Kit

Within the air compressor and air compressor kit, this screw plays a significant role in fastening the compressor housing to the base plate. This secure attachment is essential for maintaining the structural integrity of the compressor, ensuring it operates under high pressure conditions without leakage.

QE Unloader Serv Assembly and QE/HD Head Serv Assembly

For the QE Unloader Serv Assembly and the QE/HD Head Serv Assembly, the Hexagon Head Cap Screw is employed to attach the servo mechanism to the main body. This secure connection is vital for the precise operation of the unloader valve, which regulates the pressure within the system.

Compressor Conversion Kit

In the Compressor Conversion Kit, the screw is used to mount the conversion components to the existing compressor frame. This ensures that the new components are firmly in place, allowing for a smooth transition and integration into the system.

Guard Package

The guard package utilizes the Hexagon Head Cap Screw to attach the protective guards to the machinery. This not only ensures the guards are securely in place but also helps in maintaining safety standards by preventing accidental contact with moving parts.

HD/B, HD/C, HD/M, HD/STD, QE/B, QE/C, QE/M, QE/STD Head Assemblies

Across various head assemblies such as HD/B, HD/C, HD/M, HD/STD, QE/B, QE/C, QE/M, and QE/STD, this screw is instrumental in fastening the head to the compressor body. This secure attachment is necessary for the head to withstand the operational pressures and vibrations, ensuring reliable performance.

HD/B, QE Head Assembly

In the HD/B and QE head assemblies, the screw is used to connect the head to the main compressor body. This connection is essential for maintaining the alignment and structural integrity of the head, which is critical for the efficient compression of air.

MTG Compressor

For the MTG Compressor, the Hexagon Head Cap Screw is used to secure the compressor cover to the body. This ensures that the compressor remains sealed, preventing any air leaks that could affect its efficiency.

Air System Integration

Overall, the part 3558797 Hexagon Head Cap Screw is a versatile fastener that ensures the secure attachment of various components within air systems. Its role in maintaining the structural integrity and operational efficiency of these systems cannot be overstated.

Conclusion

The Cummins Part #3558797 Hexagon Head Cap Screw is a vital component in the maintenance and operation of heavy-duty trucks. Its robust design, high-grade material composition, and specialized features make it an essential fastener for securing various components within the truck’s mechanical systems. Proper installation, regular maintenance, and adherence to safety considerations are crucial for ensuring the screw’s longevity and reliable performance. Cummins Inc.’s commitment to quality and innovation is evident in the production of this part, which plays a significant role in the structural integrity and operational efficiency of Cummins engines across various series.