3179639
Hexagon Head Cap Screw
Cummins®

AVAILABLE

Cummins®

2 are currently available

Ships within 2-4 business days

$129.95 $154.64

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 3179639 Hexagon Head Cap Screw is a specialized fastener designed for use in commercial trucks. Its purpose is to provide secure and reliable fastening in various truck assemblies. This screw is integral to maintaining the structural integrity and operational efficiency of commercial vehicles.

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 the screw includes a threaded shaft that engages with the internal threads of a nut or directly into a pre-tapped hole. This mechanism ensures a strong and stable connection, making it suitable for a wide range of applications 1.

Role and Application in Commercial Trucks

In commercial trucks, the Cummins 3179639 Hexagon Head Cap Screw plays a significant role in various assemblies. It is commonly used in engine components, chassis parts, and other critical areas where secure fastening is required. The screw’s design ensures that it can withstand the rigors of heavy-duty applications, contributing to the overall reliability and performance of the truck 2.

Key Features

The Cummins 3179639 Hexagon Head Cap Screw features a robust material composition, typically made from high-strength steel, which provides durability and resistance to wear. The screw has a fine or coarse thread type, depending on the specific application, and its hexagonal head design allows for easy and efficient installation using standard tools. These features contribute to the screw’s functionality and longevity in demanding environments 3.

Benefits

Using the Cummins 3179639 Hexagon Head Cap Screw offers several benefits. Its high-strength material ensures enhanced durability and resistance to corrosion, which is particularly important in the harsh conditions often encountered by commercial trucks. The screw’s design also facilitates ease of installation, reducing the time and effort required for maintenance and repairs. Compared to other fasteners, this screw provides a reliable and efficient solution for securing critical components in truck assemblies.

Installation and Usage Guidelines

Proper installation of the Cummins 3179639 Hexagon Head Cap Screw involves several steps to ensure a secure and effective fastening. Begin by selecting the appropriate size and type of screw for the application. Use a wrench or socket to tighten the screw to the recommended torque specification, ensuring that it is snug but not overtightened. Regularly inspect the screw for signs of wear or damage, and replace it if necessary to maintain the integrity of the assembly.

Troubleshooting and Maintenance

Common issues with Hexagon Head Cap Screws include loosening over time due to vibration or thermal expansion, and corrosion in exposed applications. To troubleshoot these issues, regularly inspect the screws for signs of wear or damage, and tighten them as needed. Applying a corrosion-resistant coating can help prevent rust and extend the lifespan of the fastener. Proper maintenance ensures the longevity and performance of the screw in commercial truck applications.

Safety Considerations

When working with Hexagon Head Cap Screws, it is important to use the proper tools and techniques to avoid damage or injury. Always use a wrench or socket that fits the hexagonal head of the screw to prevent stripping or rounding of the head. Follow the recommended torque specifications to avoid overtightening, which can lead to thread damage or component failure. Additionally, wear appropriate personal protective equipment (PPE) to protect against potential hazards during installation and maintenance.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established itself as a reputable source for truck components. The company’s commitment to excellence and reliability makes it a trusted partner in the commercial truck industry, providing high-quality parts that contribute to the performance and durability of commercial vehicles.

Cummins Hexagon Head Cap Screw 3179639 in Engine Applications

The Cummins Hexagon Head Cap Screw part number 3179639 is a critical component in various engine configurations. This screw is utilized in several Cummins engine models, ensuring secure fastening and structural integrity. Below is a detailed overview of how this part integrates into specific engine types.

K38 and K50 Engines

The Hexagon Head Cap Screw 3179639 is employed in both K38 and K50 engines. These engines are known for their robust design and reliability, often used in heavy-duty applications. The screw is used in areas where secure fastening is crucial, such as attaching engine components or securing panels.

QSK38 CM2150 MCRS and QSK50 CM2150 K107 Engines

In the QSK38 CM2150 MCRS and QSK50 CM2150 K107 engines, the part number 3179639 plays a vital role in maintaining the structural integrity of the engine. These engines are equipped with advanced technology for improved performance and efficiency. The screw is used in various applications, including securing engine mounts and attaching critical components.

QSK50 CM2150 MCRS and QSK50 CM2350 K108 Engines

The QSK50 CM2150 MCRS and QSK50 CM2350 K108 engines also incorporate the Hexagon Head Cap Screw 3179639. These engines are designed for high-performance applications, often found in marine and industrial settings. The screw is used in multiple critical areas, ensuring that all components are securely fastened and aligned.

Application Summary

The Hexagon Head Cap Screw 3179639 is a versatile component used across various Cummins engine models. Its primary function is to provide secure fastening in areas where reliability and strength are paramount. Whether in K38 and K50 engines or the more advanced QSK series, this screw ensures that engine components remain securely attached, contributing to the overall performance and longevity of the engine.

Role of Part 3179639 Hexagon Head Cap Screw in Engine Components

Drive System

In the drive system, the 3179639 Hexagon Head Cap Screw is instrumental in securing various components that transmit power from the engine to other parts of the machinery. It ensures that the drive components remain firmly in place, thereby maintaining the integrity and efficiency of power transmission. This screw is often used to fasten gears, pulleys, and other drive elements, ensuring they operate smoothly and without undue wear.

Fan System

Within the fan system, the 3179639 Hexagon Head Cap Screw plays a significant role in attaching the fan blades to the fan hub. This secure attachment is essential for the fan to operate effectively, providing the necessary airflow for cooling the engine and other components. The screw’s robust design ensures that the fan can withstand the dynamic forces and vibrations generated during operation.

Fan Drive Arrangement

In the fan drive arrangement, this screw is used to fasten the fan to its drive mechanism, whether it be a belt-driven system or a direct drive. The secure fastening provided by the 3179639 Hexagon Head Cap Screw ensures that the fan operates at the correct speed and alignment, which is vital for optimal cooling performance and engine efficiency.

Fan Support

The 3179639 Hexagon Head Cap Screw is also employed in the fan support structure. It secures the fan housing and other support components, ensuring that the fan remains stable and aligned during operation. This stability is important for maintaining the aerodynamic efficiency of the fan and preventing undue stress on the drive system.

Conclusion

The Cummins 3179639 Hexagon Head Cap Screw is a vital component in the maintenance and operation of commercial trucks and engines. Its robust design, high-strength material, and ease of installation make it an ideal choice for securing critical components in various applications. Proper installation, regular maintenance, and adherence to safety guidelines ensure the longevity and performance of this Cummins part, contributing to the overall reliability and efficiency of commercial vehicles.


  1. Hilgers, Michael. Vocational Vehicles and Applications. Springer Nature, 2023.

  2. Fehan, Douglas R. Design of Racing and High-Performance Engines 2004-2013. SAE International, 2013.

  3. Boyce, Meherwan P. Gas Turbine Engineering Handbook 4th Edition. Butterworth-Heinemann, 2011.

SPECIFICATIONS

Notes
1/2 - 13 X 3 3/4 Inch.
Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
10.2 x 1.8 x 1.8 in
Weight
0.096 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.