3924647
Hexagon Head Cap Screw
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$5.49 $6.53

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 commercial truck maintenance, offering reliable fastening solutions across various applications. Manufactured by Cummins, a renowned name in the automotive industry, the Hexagon Head Cap Screw with part number 3924647 is designed to meet the rigorous demands of truck operations. This part plays a significant role in ensuring the structural integrity and functionality of commercial trucks, making it a vital element in maintenance and repair procedures.

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 cap screw includes a threaded shank that engages with internal threads in a mating part, providing a secure connection. Cap screws are commonly used in various industries for their strength and reliability in fastening applications, making them a preferred choice for critical assemblies where durability and stability are paramount 1.

Purpose of the 3924647 Hexagon Head Cap Screw in Truck Operations

The 3924647 Hexagon Head Cap Screw is specifically engineered to play a significant role in the operation and maintenance of commercial trucks. It is utilized in a variety of applications within truck assemblies, such as securing engine components, attaching body panels, and fastening chassis parts. Its design ensures a robust connection that can withstand the vibrations and stresses encountered during truck operation, contributing to the overall reliability and safety of the vehicle 2.

Key Features

The 3924647 Hexagon Head Cap Screw boasts several key features that enhance its effectiveness and durability. It is composed of high-quality materials, typically alloy steel, which provides excellent strength and resistance to corrosion. The screw features a coarse thread type, which allows for quick and secure fastening. Additionally, the hexagonal head design facilitates easy installation and removal, ensuring that maintenance tasks can be performed efficiently 3.

Benefits

Using the 3924647 Hexagon Head Cap Screw offers several benefits. Its design ensures enhanced fastening security, minimizing the risk of loosening due to vibrations commonly experienced in truck operations. The material composition and thread type contribute to its resistance to wear and corrosion, prolonging its service life. Furthermore, the ease of installation and removal using standard tools makes it a convenient choice for maintenance professionals.

Installation Guidelines

Proper installation of the 3924647 Hexagon Head Cap Screw is vital to ensure its effectiveness and longevity. It is recommended to follow a step-by-step approach: first, ensure the mating threads are clean and free of debris. Use a torque wrench to tighten the screw to the specified torque settings provided by the manufacturer to avoid over-tightening, which can lead to damage, or under-tightening, which can compromise the connection. Always use the appropriate tools to prevent damage to the hexagonal head.

Troubleshooting and Maintenance

Common issues with Hexagon Head Cap Screws include loosening due to vibrations and corrosion. To troubleshoot these problems, regularly inspect the screws for signs of wear or damage. If corrosion is detected, cleaning the affected area and applying a corrosion-resistant coating can help. Ensuring that screws are tightened to the correct torque specifications during installation can prevent loosening. Regular maintenance and inspection will help ensure the longevity and performance of the screw.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and aftermarket parts. With a rich history of innovation and commitment to quality, Cummins has established itself as a trusted name in the automotive industry. The company’s extensive product range and dedication to excellence make it a preferred choice for professionals in the commercial truck maintenance sector.

Hexagon Head Cap Screw 3924647 in Cummins Engines

The Cummins Hexagon Head Cap Screw part number 3924647 is a critical component in several Cummins engine models. This screw is designed to secure various parts within the engine, ensuring structural integrity and operational efficiency. Here is how it fits into specific Cummins engines:

  • 6B5.9 Engine: In the 6B5.9 engine, the 3924647 screw is used to fasten components that require precise alignment and secure fastening. Its role is crucial in maintaining the engine’s internal structure, particularly in areas where vibration and stress are common.

  • A1400 and A1700 Engines: For the A1400 and A1700 engines, this screw is utilized in similar capacities. It helps in securing parts that are integral to the engine’s operation, ensuring that these components remain tightly fastened under various operational conditions. The screw’s design allows for easy installation and removal, which is beneficial during maintenance and repair processes.

  • A2000 and A2300 Engines: In the larger A2000 and A2300 engines, the 3924647 screw plays a vital role in securing larger and more complex parts. Its robust design ensures that these parts remain securely fastened, contributing to the overall reliability and performance of the engine.

The use of the 3924647 screw across these engines highlights its versatility and importance in maintaining the structural integrity of Cummins engines.

Role of Part 3924647 Hexagon Head Cap Screw in Engine Systems

In the intricate assembly of engine systems, the part 3924647 Hexagon Head Cap Screw serves as a vital fastening element, ensuring the secure attachment of various components. Its application spans across multiple engine subsystems, contributing to the overall integrity and functionality of the engine.

Gauge Assembly

Within the gauge assembly, the Hexagon Head Cap Screw is employed to affix the gauge housing to the engine block or dashboard. This securement is essential for accurate readings, as any movement or misalignment could result in erroneous data, impacting the engine’s performance monitoring.

Oil Level Sensor

The oil level sensor, a component critical for maintaining optimal lubrication within the engine, relies on the Hexagon Head Cap Screw for stable installation. Proper fastening ensures the sensor remains in the correct position, providing precise oil level readings to prevent engine damage from insufficient lubrication.

Package and Guard Attachments

In the context of package and guard attachments, the Hexagon Head Cap Screw plays a role in securing these protective elements to the engine. This not only safeguards the engine’s internal components from external contaminants but also ensures that the guards themselves do not become dislodged during operation, which could lead to safety hazards or engine part exposure.

Pump Systems

For pump systems, including the raw water and sea water pumps, the Hexagon Head Cap Screw is utilized to attach pump housings and covers. This securement is vital for maintaining the pump’s structural integrity and ensuring a sealed environment, which is necessary for efficient fluid transfer and to prevent leaks that could compromise engine cooling.

Radiator Assembly

In the radiator assembly, the Hexagon Head Cap Screw is instrumental in attaching the radiator to the engine block or frame. This connection is crucial for the radiator’s stability and for maintaining the proper alignment of coolant flow paths, which is essential for effective heat dissipation and engine temperature regulation.

Through its application in these diverse engine components, the part 3924647 Hexagon Head Cap Screw demonstrates its significance in maintaining the structural and functional integrity of engine systems. Its role in securing components ensures the reliability and efficiency of the engine, underscoring the importance of proper fastening in mechanical assemblies.

Conclusion

The 3924647 Hexagon Head Cap Screw is a critical component in the maintenance and operation of commercial trucks and Cummins engines. Its design, featuring high-quality materials and a coarse thread type, ensures secure fastening and resistance to wear and corrosion. Proper installation and regular maintenance are essential to maximize its effectiveness and longevity. The screw’s application across various engine subsystems highlights its versatility and importance in maintaining the structural and functional integrity of engine systems.


  1. Mohamed ElSayed PE, Fundamentals of Integrated Vehicle Realization, SAE International, 2017.

  2. Kirk T Van Gelder, Fundamentals of Automotive Technology Principles and Practice, Jones Bartlett Learning, 2018.

  3. Gunnar Stiesch, Modeling Engine Spray and Combustion Processes, Springer Verlag, 2003.

SPECIFICATIONS

Comments
M8 x 1.25 x 20
Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
1.0 x 0.5 x 0.5 in
Weight
0.2 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.