4015040
Hexagon Head Cap Screw
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$28.95 $34.45

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 4015040 Hexagon Head Cap Screw is a specialized fastener designed for use in commercial trucks. It serves to secure various components within the truck’s structure, ensuring stability and reliability under demanding conditions. This screw is integral to maintaining the integrity of truck assemblies, contributing to the overall performance and longevity of the vehicle.

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is a type of bolt 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. They function by converting rotational force into axial force, which clamps parts together securely. The hexagonal shape of the head provides a stable interface for tools, reducing the risk of slippage during installation or removal 1.

Purpose of the Cummins 4015040 Hexagon Head Cap Screw

The Cummins 4015040 Hexagon Head Cap Screw plays a specific role in the operation and maintenance of commercial trucks. It is designed to fasten critical components, ensuring they remain securely in place despite the vibrations and stresses encountered during operation. This screw helps maintain the structural integrity of the truck, contributing to its safe and efficient performance on the road.

Key Features

The Cummins 4015040 Hexagon Head Cap Screw boasts several key characteristics that make it suitable for its intended applications. It is typically made from high-strength steel, ensuring durability and resistance to wear. The screw features a coarse thread, which provides a strong grip and efficient load distribution. Its hexagonal head design allows for easy and secure tightening with standard tools.

Benefits

Using the Cummins 4015040 Hexagon Head Cap Screw offers several advantages. Its high-strength material composition ensures durability, making it resistant to the stresses and vibrations common in commercial truck operations. The screw’s design also facilitates ease of installation, reducing the time and effort required for maintenance tasks. Additionally, its resistance to corrosion enhances its longevity, even in harsh operating environments 2.

Installation Process

Proper installation of the Cummins 4015040 Hexagon Head Cap Screw is vital for ensuring optimal performance and longevity. Begin by cleaning the installation site to remove any debris or contaminants. Use a torque wrench to tighten the screw to the manufacturer’s specified torque settings, ensuring a secure fit without over-tightening. Regularly check the screw’s tightness during initial use to prevent loosening 3.

Common Applications

The Cummins 4015040 Hexagon Head Cap Screw is typically used in various applications within the structure of a commercial truck. It is commonly found in engine mounts, frame assemblies, and chassis components. Its versatility and strength make it suitable for securing a wide range of parts, contributing to the truck’s overall reliability.

Troubleshooting and Maintenance

Identifying common issues related to the Cummins 4015040 Hexagon Head Cap Screw, such as loosening or corrosion, is important for maintaining truck performance. Regular inspections should be conducted to check for signs of wear or damage. If corrosion is detected, cleaning the affected area and applying a corrosion-resistant coating can help prevent further degradation. Replacing screws that show significant wear or damage is recommended to maintain structural integrity 4.

Safety Considerations

When handling and installing the Cummins 4015040 Hexagon Head Cap Screw, it is important to follow safety guidelines to prevent accidents and ensure proper function. Wear appropriate personal protective equipment, such as gloves and safety glasses, to protect against injury. Use the correct tools and torque settings to avoid over-tightening, which can lead to damage. Always ensure that the work area is clean and free from hazards to maintain a safe working environment.

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 itself as a trusted name in the commercial truck industry. The company is committed to innovation and quality, continually developing products that meet the evolving needs of its customers. Cummins’ dedication to excellence is evident in its wide range of components, including the Cummins 4015040 Hexagon Head Cap Screw, which plays a role in ensuring the reliability and performance of commercial trucks.

Cummins Hexagon Head Cap Screw 4015040 in Engine Applications

The Cummins Hexagon Head Cap Screw part number 4015040 is a critical component in several engine models, ensuring secure fastening and stability. This screw is integral to the assembly and maintenance of various Cummins engines, providing a reliable connection between parts.

QSV91-G4 CM558/CM700 V102 and QSV91G Engines

In the QSV91-G4 CM558/CM700 V102 engines, the Hexagon Head Cap Screw 4015040 is used in several key areas. It is employed to fasten components that require precise alignment and robust connection, such as engine mounts, brackets, and covers. The screw’s design ensures that it can withstand the operational stresses and vibrations inherent in these engines, maintaining the integrity of the assembly over time.

QSV91G Engines

Similarly, in the QSV91G engines, the Hexagon Head Cap Screw 4015040 plays a vital role in securing various engine parts. Its application extends to fastening internal and external components, ensuring that all parts remain securely in place during operation. This screw’s use in these engines highlights its importance in maintaining the structural integrity and operational efficiency of the engine.

Role of Part 4015040 Hexagon Head Cap Screw in Engine Systems

The part 4015040 Hexagon Head Cap Screw is instrumental in securing various components within engine systems, ensuring stability and reliability under operational conditions.

In the arrangement of engine components, this screw plays a significant role in fastening parts that require precise alignment and secure attachment. Its hexagonal head allows for efficient torque application, minimizing the risk of slippage during installation.

Within the turbocharger system, the 4015040 screw is often used to secure the turbocharger housing to the engine block or manifold. This ensures that the turbocharger operates within its designed parameters, enhancing performance and durability.

The exhaust manifold also benefits from the use of this screw. It is commonly employed to attach the manifold to the engine, providing a robust connection that can withstand high temperatures and pressures generated during combustion.

Similarly, in the manifold system, whether intake or exhaust, the 4015040 screw ensures that the manifold is securely attached to the engine, preventing leaks and maintaining efficient airflow.

Lastly, in the exhaust system, this screw is utilized to fasten various components such as the exhaust pipes, catalytic converter, and muffler. Its reliable performance under thermal stress makes it an ideal choice for these applications.

Overall, the 4015040 Hexagon Head Cap Screw is a versatile fastener that contributes to the integrity and performance of multiple engine systems.

Conclusion

The Cummins 4015040 Hexagon Head Cap Screw is a vital component in the maintenance and operation of commercial trucks and Cummins engines. Its high-strength material, efficient design, and versatile applications make it an essential fastener for ensuring the structural integrity and performance of various engine systems. Proper installation, regular maintenance, and adherence to safety guidelines are crucial for maximizing the benefits of this Cummins part.


  1. Dempsey, P. (2018). Troubleshooting and Repairing Diesel Engines, 5th Edition. McGraw-Hill.

  2. Hilgers, M., & Achenbach, W. (2021). Vocational Vehicles and Applications. Springer Vieweg.

  3. Huzij, R., Spano, A., & Bennett, S. (2014). Modern Diesel Technology Heavy Equipment Systems. Delmar Cengage Learning.

  4. Dixon, J. (2014). Modern Diesel Technology: Heating, Ventilation, Air Conditioning, Refrigeration, 2nd Edition. Cengage Learning.

SPECIFICATIONS

Package Dimensions
7.0 x 2.0 x 2.0 in
Weight
0.083 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.