3879162
Hexagon Head Cap Screw
Cummins®

AVAILABLE

Cummins®

More than 10 are currently available

Ships within 2-4 business days

$14.95 $17.79

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 Hexagon Head Cap Screw is a fundamental component in the realm of commercial truck maintenance, providing secure fastening solutions across various applications. Manufactured by Cummins, a leader in the commercial truck industry, the Hexagon Head Cap Screw part number 3879162 is designed to meet the rigorous demands of truck operation. This part plays a role in ensuring the integrity and functionality of truck assemblies, contributing to the overall performance and reliability of commercial vehicles 1.

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is characterized by its hexagonal head, which allows for efficient tightening and loosening using a wrench or socket. This design ensures a firm grip, reducing the risk of slippage during installation. In the automotive industry, cap screws are commonly used for their ability to provide a strong, permanent fastening solution. They are integral in applications where vibration resistance and durability are paramount, such as in engine components, chassis assemblies, and various mechanical systems 2.

Purpose of the 3879162 Hexagon Head Cap Screw in Truck Operation

The 3879162 Hexagon Head Cap Screw by Cummins is specifically engineered to play a role in the operation and maintenance of commercial trucks. It is utilized in applications where secure fastening is required to withstand the dynamic forces and vibrations encountered during truck operation. Common applications within truck assemblies include fastening engine components, securing chassis parts, and attaching various mechanical systems. Its design ensures a reliable connection, contributing to the truck’s overall performance and longevity 3.

Key Features of the 3879162 Hexagon Head Cap Screw

The 3879162 Hexagon Head Cap Screw boasts several key features that enhance its performance and durability. It is manufactured from high-quality materials, ensuring strength and resistance to wear. The screw features a specific thread type that provides optimal engagement with mating components, facilitating a secure fit. Additionally, it may include special coatings or treatments to improve corrosion resistance and further enhance its longevity in demanding environments.

Benefits of Using the 3879162 Hexagon Head Cap Screw

Utilizing the 3879162 Hexagon Head Cap Screw offers several advantages. Its robust construction contributes to increased strength, making it suitable for high-stress applications. The screw’s design also offers resistance to vibration loosening, ensuring a secure connection over time. Furthermore, its hexagonal head allows for ease of installation and removal, streamlining maintenance procedures and reducing downtime.

Installation and Usage Guidelines

Proper installation of the 3879162 Hexagon Head Cap Screw is crucial for ensuring a secure and lasting fastening solution. It is recommended to use the appropriate tools, such as a torque wrench, to achieve the specified torque settings. Following manufacturer guidelines for torque specifications ensures that the screw is tightened to the optimal level, balancing strength and avoiding over-tightening, which could lead to damage. Best practices include cleaning the mating surfaces before installation to remove any debris that could affect the screw’s performance.

Troubleshooting and Maintenance

Common issues with Hexagon Head Cap Screws may include loosening due to vibration or corrosion. Regular inspection and maintenance can help identify and address these issues promptly. To prolong the life of the screw and ensure ongoing performance, it is advisable to apply a thread locker during installation in vibration-prone applications and to monitor for signs of wear or corrosion. Replacing screws that show signs of damage or excessive wear is recommended to maintain the integrity of the fastening solution.

Cummins: Manufacturer Overview

Cummins Inc. is a renowned manufacturer in the commercial truck industry, with a rich history of innovation and quality in truck component manufacturing. The company’s extensive product range and commitment to excellence have established it as a trusted name among truck operators and maintenance professionals. Cummins’ dedication to quality and innovation is evident in its components, including the 3879162 Hexagon Head Cap Screw, which is designed to meet the high standards required for commercial truck applications.

Role of Part 3879162 Hexagon Head Cap Screw in Engine Systems

Part 3879162, a Hexagon Head Cap Screw, is integral to the assembly and secure functioning of various engine components. Its application spans across several key areas within the engine system, ensuring stability and performance.

Camshaft and Cylinder Head Assembly

In the camshaft and cylinder head assembly, the Hexagon Head Cap Screw is utilized to fasten the camshaft to the cylinder head. This secure attachment is vital for maintaining the precise alignment of the camshaft, which in turn ensures the accurate timing of valve operations. The screw’s robust design withstands the high stresses and vibrations inherent in engine operation, contributing to the longevity and reliability of the camshaft and cylinder head interface.

Flange Exhaust Mounting

For flange exhaust mounting, the Hexagon Head Cap Screw plays a role in securing the exhaust flange to the engine block or cylinder head. This connection is essential for maintaining a sealed exhaust path, preventing leaks that could reduce engine efficiency and increase emissions. The screw’s strength and corrosion resistance are particularly beneficial in this application, where it is exposed to high temperatures and exhaust gases.

Manifold and Exhaust System

Within the manifold and exhaust system, the Hexagon Head Cap Screw is employed to attach the manifold to the cylinder head and to secure various exhaust components. This includes fastening the turbocharger to the exhaust manifold in turbocharged engines. The screw ensures a tight and durable connection, which is crucial for maintaining the integrity of the exhaust flow and supporting the performance of the turbocharger. Its use in these applications highlights the screw’s capability to handle the dynamic loads and thermal cycles experienced in the exhaust system.

General Performance and Reliability

Across these applications, the use of Part 3879162 Hexagon Head Cap Screw contributes to the overall performance and reliability of the engine. By providing a secure and stable connection between components, it helps to maintain the precise operation of engine systems, supporting optimal performance and efficiency. The screw’s design and material properties are tailored to meet the demanding conditions within an engine, ensuring it can withstand the stresses, temperatures, and corrosive environments encountered in operation.

Conclusion

The 3879162 Hexagon Head Cap Screw by Cummins is a critical component in the maintenance and operation of commercial trucks, offering secure fastening solutions that enhance the performance and reliability of truck assemblies. Its robust construction, resistance to vibration loosening, and ease of installation make it an invaluable asset in various engine and chassis applications. Proper installation, regular maintenance, and adherence to manufacturer guidelines are essential for maximizing the benefits of this Cummins part, ensuring long-term durability and performance in demanding truck operations.


  1. Department of Energy Fundamentals Handbook, Department of Energy, 2015.

  2. Dictionary of Mechanical Engineering, D. K. Singh, Springer Nature, 2024.

  3. An Introduction to Modern Vehicle Design, Julian Happian-Smith, Butterworth-Heinemann, 2002.

SPECIFICATIONS

Notes
Item Not Shown In Art.
Package Dimensions
6.5 x 2.875 x 2.875 in
Weight
0.55 lb
* 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.