3059942
Hexagon Head Cap Screw
Cummins®

The Cummins 3059942 Hexagon Head Cap Screw is a specialized fastener designed for use in heavy-duty truck applications. Its purpose is to provide secure and reliable fastening in various truck components, ensuring the integrity and performance of the vehicle. This screw is significant in the context of heavy-duty truck maintenance and operation due to its robust design and high-quality materials, which contribute to the overall durability and efficiency of truck systems ².

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. The design of these screws ensures a firm grip, reducing the risk of slippage during installation. Typically, these screws are made from materials such as alloy steel or stainless steel, which offer high tensile strength and resistance to corrosion. The threads on the screw are designed to create a strong bond with the mating material, ensuring a secure connection ¹.

Purpose and Role in Truck Operation

The Cummins 3059942 Hexagon Head Cap Screw plays a specific role in truck operations by securing various components within the vehicle. It is used in applications where high strength and durability are required, such as in the engine, transmission, and chassis assemblies. By providing a reliable fastening solution, this screw contributes to the overall stability and performance of the truck, ensuring that critical components remain securely in place under demanding conditions.

Key Features

The Cummins 3059942 Hexagon Head Cap Screw features a hexagonal head design, which allows for easy and precise tightening using standard tools. The screw has a specific thread pitch that ensures a strong and secure connection with the mating material. Additionally, it may include special coatings or treatments, such as zinc plating or black oxide finish, which enhance its corrosion resistance and durability. These features make the screw well-suited for the harsh environments encountered in heavy-duty truck applications.

Benefits

The Cummins 3059942 Hexagon Head Cap Screw offers several benefits, including improved fastening strength, resistance to loosening, and compatibility with various truck components. Its high-quality materials and precise manufacturing ensure a strong and reliable connection, reducing the risk of failure under stress. The screw’s design also allows for easy installation and removal, making it a practical choice for maintenance and repair tasks.

Installation Guidelines

Proper installation of the Cummins 3059942 Hexagon Head Cap Screw is crucial for ensuring its performance and longevity. To install the screw, use the appropriate wrench or socket to achieve the recommended torque specifications. It is important to use the correct tools and follow the manufacturer’s guidelines to avoid over-tightening or under-tightening, which can compromise the screw’s integrity. Additionally, ensure that the mating surfaces are clean and free of debris to achieve a strong and secure connection.

Troubleshooting and Maintenance

Common issues with Hexagon Head Cap Screws may include loosening over time, corrosion, or damage from improper installation. To troubleshoot these issues, inspect the screw and mating surfaces for signs of wear or damage. If corrosion is present, consider replacing the screw with a new one that has enhanced corrosion resistance. Regular maintenance, such as periodic tightening and inspection, can help ensure the longevity and reliability of the screw in truck applications.

Safety Considerations

When working with Hexagon Head Cap Screws, it is important to observe several safety guidelines and precautions. Ensure that the work area is clean and free of hazards. Use the appropriate personal protective equipment, such as gloves and safety glasses, to protect against injury. Properly handle and store the screws to prevent damage or contamination. Additionally, follow disposal practices in accordance with local regulations to ensure environmental safety.

Cummins 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 quality and innovation in the automotive and heavy-duty truck industry. The company is committed to delivering reliable and efficient solutions that meet the demanding needs of its customers, ensuring the performance and durability of their vehicles ².

Hexagon Head Cap Screw 3059942 Compatibility with Cummins Engines

The Hexagon Head Cap Screw part number 3059942 is a versatile component designed to fit a variety of Cummins engines. This screw is commonly used in applications requiring secure fastening and is compatible with several engine models.

G8.3 and GTA8.3 CM558 Engines

The G8.3 and GTA8.3 CM558 engines are part of Cummins’ range of medium-duty diesel engines. The Hexagon Head Cap Screw 3059942 is used in various applications within these engines, including securing engine components and ensuring structural integrity.

N14 CELECT and N14 MECHANICAL Engines

The N14 CELECT and N14 MECHANICAL engines are known for their robust performance in heavy-duty applications. The 3059942 screw is utilized in these engines to fasten parts that require high strength and durability, ensuring that the engine components remain securely in place under demanding conditions.

NH/NT 855 Engines

The NH/NT 855 engines are part of Cummins’ lineup of high-performance engines. The Hexagon Head Cap Screw 3059942 fits into these engines for fastening various components, providing the necessary strength and reliability for the engine’s operation.

QSK19 CM850 MCRS and QSL9 G CM558 Engines

The QSK19 CM850 MCRS and QSL9 G CM558 engines are designed for heavy-duty applications, often found in industrial and construction equipment. The 3059942 screw is used in these engines to secure critical components, ensuring the engine operates efficiently and reliably.

The Hexagon Head Cap Screw 3059942 is a reliable and versatile component that fits seamlessly into the design of these Cummins engines, providing the necessary fastening strength and durability required for their demanding applications.

Role of Part 3059942 Hexagon Head Cap Screw in Engine Systems

The part 3059942 Hexagon Head Cap Screw is integral to the assembly and functionality of various engine components. Its robust design ensures secure fastening, which is essential for maintaining the integrity and performance of the engine system.

Aftercooler

In the aftercooler system, the Hexagon Head Cap Screw is used to fasten components that facilitate the cooling of compressed air from the turbocharger. Proper fastening ensures efficient heat exchange, contributing to optimal engine performance.

Arrangement

Within the engine arrangement, this screw plays a role in securing various components in their designated positions. This ensures that all parts are correctly aligned and function as intended, which is vital for the overall efficiency of the engine.

Ignition System

The Hexagon Head Cap Screw is employed in the ignition system to secure components such as the ignition module and related wiring. Reliable fastening is necessary to ensure consistent spark delivery, which is fundamental for combustion efficiency.

EBM: Location

In the context of the Engine Bay Module (EBM) location, this screw is used to mount the module securely. This ensures that the module remains stable and functions correctly, which is important for the accurate monitoring and control of engine parameters.

Turbocharger

Within the turbocharger assembly, the Hexagon Head Cap Screw is utilized to fasten components that are subject to high stress and temperature. Secure fastening is essential to maintain the turbocharger’s efficiency and durability.

Intake Manifold

The screw is also crucial in the intake manifold, where it secures the manifold to the engine block. This ensures a proper seal and efficient airflow into the combustion chambers, which directly impacts engine performance.

Module

In various engine modules, such as the fuel control module, the Hexagon Head Cap Screw ensures that the module is firmly attached. This is important for the precise delivery of fuel, which is critical for engine operation.

Fuel Control

Within the fuel control system, this screw is used to secure components that regulate fuel flow. Reliable fastening ensures that the fuel control system operates smoothly, contributing to efficient combustion.

Plumbing

In the engine’s plumbing system, the Hexagon Head Cap Screw is used to secure fittings and connections. This ensures that fluid pathways remain intact, which is essential for the proper circulation of coolant, oil, and other fluids.

Oil Replenishing System

Finally, in the oil replenishing system, this screw is used to secure components that manage oil levels. Proper fastening ensures that the system functions correctly, which is vital for maintaining engine lubrication and longevity.

Conclusion

The Cummins 3059942 Hexagon Head Cap Screw is a critical component in the maintenance and operation of heavy-duty trucks and Cummins engines. Its robust design, high-quality materials, and precise manufacturing ensure secure fastening, contributing to the overall durability and efficiency of truck and engine systems. Proper installation, regular maintenance, and adherence to safety guidelines are essential for maximizing the performance and longevity of this Cummins part.