3924652
Hexagon Head Cap Screw
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$20.95 $24.93

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 3924652 Hexagon Head Cap Screw is a specialized fastener designed for use in commercial trucks. Cummins, a well-established name in the commercial truck industry, produces this screw to meet the demanding requirements of heavy-duty applications. This screw is integral to the structural integrity and component alignment in commercial trucks, ensuring reliable performance under various operating conditions.

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. These screws are commonly used in mechanical assemblies to secure components together. The hexagonal shape of the head provides a firm grip, reducing the risk of cam-out and ensuring consistent torque application. The threaded shank of the screw engages with the internal threads of a nut or tapped hole, creating a secure connection that can withstand significant loads and vibrations 1.

Purpose of the 3924652 Hexagon Head Cap Screw in Trucks

The 3924652 Hexagon Head Cap Screw plays a specific role in the operation and maintenance of commercial trucks. It is used in various application areas where secure fastening is required, such as engine components, chassis assemblies, and other critical parts. This screw helps maintain structural integrity by ensuring that components remain properly aligned and securely fastened. Its design and material properties are tailored to withstand the harsh conditions typical of commercial truck environments, including vibrations, temperature fluctuations, and exposure to corrosive substances 2.

Key Features

The 3924652 Hexagon Head Cap Screw features a hexagonal head design that facilitates easy installation and removal using standard tools. It is composed of high-strength materials, typically alloy steel, which provides excellent tensile strength and durability. The screw has a fully threaded shank, allowing it to engage deeply into the mating component for a robust connection. Additionally, it may feature special coatings or treatments, such as zinc plating or black oxide coating, to enhance corrosion resistance and prolong service life.

Benefits

Using the 3924652 Hexagon Head Cap Screw offers several benefits. Its high-strength material and precise threading provide improved fastening strength, ensuring that components remain securely attached under load. The hexagonal head design reduces the risk of loosening due to vibrations, enhancing the reliability of the fastening. The screw is easy to install and remove, making maintenance procedures more efficient. Furthermore, its durability and resistance to corrosion ensure longevity in the harsh operating conditions typical of commercial truck environments.

Installation Guidelines

Proper installation of the 3924652 Hexagon Head Cap Screw is crucial for ensuring a secure and reliable fastening. Follow these guidelines for optimal results:

  1. Use the appropriate wrench or socket to engage the hexagonal head.
  2. Apply steady, even torque to avoid cross-threading and ensure proper engagement.
  3. Refer to the manufacturer’s recommended torque settings to achieve the correct clamping force without over-tightening.
  4. Use a torque wrench for precise torque application, if available.
  5. Inspect the screw and mating components for any damage or debris that could affect the connection.

Troubleshooting and Maintenance

To ensure the continued reliable performance of the 3924652 Hexagon Head Cap Screw, regular maintenance and troubleshooting are necessary. Common issues such as loosening, corrosion, or damage should be addressed promptly. Inspect screws periodically for signs of wear or corrosion, and replace any that show significant degradation. Ensure that mating components are clean and free of debris to maintain a secure connection. Applying a thread locker can help prevent loosening due to vibrations.

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 strong reputation for quality and reliability in the commercial truck industry. The company offers a wide range of products, including engines, powertrains, and aftermarket parts, designed to meet the needs of various applications. Cummins’ commitment to innovation and customer satisfaction ensures that their products, like the 3924652 Hexagon Head Cap Screw, deliver reliable performance and durability in demanding environments.

Cummins Hexagon Head Cap Screw 3924652 in Engine Applications

The Cummins Hexagon Head Cap Screw, part number 3924652, is a critical component in various engine assemblies. This screw is designed to provide robust fastening solutions, ensuring secure connections in high-stress environments typical of engine components.

6B5.9 Engine

In the 6B5.9 engine, the Hexagon Head Cap Screw 3924652 is utilized in several key areas. It is often employed in the engine’s cylinder head assembly, where it secures the head to the engine block. This screw’s design allows for precise torque application, ensuring that the cylinder head is tightly sealed to prevent leaks and maintain engine integrity. Additionally, it is used in the engine’s accessory drive system, fastening pulleys and tensioners to the engine block, ensuring smooth and reliable operation of components such as the alternator and water pump.

The use of this screw in the 6B5.9 engine highlights its importance in maintaining the structural and operational integrity of the engine. Its design and material properties make it suitable for the demanding conditions found in engine environments, providing durability and reliability over the engine’s operational life.

Role of Part 3924652 Hexagon Head Cap Screw in Engine Systems

In the intricate assembly of engine systems, the part 3924652 Hexagon Head Cap Screw serves as a fundamental fastening component, ensuring the secure attachment and stability of various engine components.

Heat Exchanger

Within the heat exchanger, the 3924652 Hexagon Head Cap Screw is utilized to fasten the plates and fins that facilitate the transfer of thermal energy. This secure attachment is essential for maintaining the structural integrity of the heat exchanger, allowing it to efficiently manage the temperature of the engine coolant or air.

Engine Package

In the engine package, this screw plays a significant role in attaching the various sub-components that make up the engine assembly. It ensures that parts such as the cylinder head, valve covers, and other critical components are held firmly in place, contributing to the overall stability and performance of the engine.

Guard

The guard, which protects sensitive engine components from external damage, relies on the 3924652 Hexagon Head Cap Screw for secure attachment. This ensures that the guard remains in position under various operating conditions, providing the necessary protection without compromising engine performance.

Through its application in these components, the 3924652 Hexagon Head Cap Screw demonstrates its versatility and importance in maintaining the structural integrity and operational efficiency of engine systems.

Conclusion

The Cummins 3924652 Hexagon Head Cap Screw is a vital component in the maintenance and operation of commercial trucks and engine systems. Its robust design, high-strength materials, and precise threading ensure secure fastening and reliable performance under demanding conditions. Proper installation and regular maintenance are essential to maximize the longevity and effectiveness of this Cummins part in heavy-duty applications.


  1. Schuetz, T. (2016). Aerodynamics of Road Vehicles: Fifth Edition. SAE International.

  2. Hu, H., Smaling, R., & Baseley, S. (2014). Heavy-Duty Wheeled Vehicles. SAE International.

SPECIFICATIONS

Comments
M8 x 1.25 x 90
Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
3.75 x 0.5 x 0.5 in
Weight
0.08 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.