3641217
Hexagon Flange Head Cap Screw
Cummins®

Introduction

The Hexagon Flange Head Cap Screw, identified by part number 3641217, is a specialized fastener produced by Cummins, a renowned manufacturer in the automotive and heavy-duty truck industry. This screw is integral to the maintenance and operation of commercial trucks, providing reliable fastening solutions for various components and systems.

Basic Concepts

Hexagon Flange Head Cap Screws are designed with specific features that enhance their functionality in fastening applications. The hexagonal head allows for efficient tightening and loosening using standard tools, while the flange provides additional surface area to distribute load and prevent the screw from sinking into softer materials. These screws play a role in securing components in heavy-duty trucks by offering robust and durable fastening solutions ¹.

Purpose and Role in Truck Operation

This Cummins part serves multiple purposes within truck operation. It is commonly used in applications where secure fastening is required, such as attaching brackets, panels, and other structural components. Its design ensures that these components remain firmly in place, contributing to the overall stability and safety of the truck ².

Key Features

The 3641217 boasts several key features that enhance its performance and durability. The hexagonal head design allows for easy and precise tightening, while the flange feature provides additional gripping surface and load distribution. Additionally, the screw is manufactured from high-quality materials, ensuring resistance to corrosion and wear, which are common challenges in the demanding environment of commercial trucking ³.

Benefits

This part offers several benefits that make it a preferred choice for truck maintenance and repair. Its design contributes to enhanced fastening strength, reducing the risk of loosening over time. The flange feature also aids in preventing the screw from sinking into softer materials, maintaining a secure fit. Furthermore, its compatibility with various truck components ensures versatile application across different systems.

Installation Guidelines

Proper installation of this part is vital to ensure optimal performance and longevity. It is recommended to follow torque specifications provided by the manufacturer to achieve the correct tightening force without over-tightening, which could lead to damage. Using the appropriate tools and techniques during installation will help maintain the integrity of both the screw and the fastened components.

Troubleshooting and Maintenance

Regular inspection and maintenance of this part can help identify and address potential issues such as loosening or corrosion. If loosening is detected, re-tightening to the specified torque is recommended. In cases of corrosion, cleaning the affected area and applying a suitable protective coating can help prolong the screw’s service life. Adhering to these maintenance practices ensures continued reliable performance.

Cummins Overview

Cummins is a well-established name in the automotive industry, known for its commitment to manufacturing high-quality truck components. With a rich history of innovation and excellence, Cummins has built a reputation for producing reliable and durable parts that meet the rigorous demands of commercial trucking. Their dedication to quality and performance is evident in the design and functionality of the 3641217.

Hexagon Flange Head Cap Screw 3641217 in Cummins Engines

The Hexagon Flange Head Cap Screw part number 3641217, manufactured by Cummins, is a critical component in several of their engine models. This screw is designed to provide a secure fastening solution, ensuring that various parts remain tightly connected under operational stresses.

G5.9 and G855 CM558 Engines

In the G5.9 and G855 CM558 engines, the 3641217 screw is utilized in applications where a robust and reliable connection is essential. These engines often require precise and durable fastening solutions to maintain operational integrity, and the hexagon flange head cap screw meets these demands by providing a strong grip and resistance to loosening.

GTA855 CM558 (CM2358) G101 Engine

For the GTA855 CM558 (CM2358) G101 engine, the 3641217 screw plays a pivotal role in securing components that are subject to high stress and vibration. This engine’s design necessitates the use of high-quality fasteners to ensure that parts remain securely fastened, even under extreme conditions.

N14 G Engine

In the N14 G engine, the 3641217 screw is employed in various critical applications. Given the engine’s robust nature and the demanding environments in which it often operates, the hexagon flange head cap screw provides the necessary durability and strength to maintain component integrity.

Each of these engines benefits from the use of the 3641217 screw, which ensures that the assembly remains secure and operational efficiency is maintained. The screw’s design allows for easy installation and removal, facilitating maintenance and repair processes.

Role of Part 3641217 Hexagon Flange Head Cap Screw in Engine Systems

The 3641217 is integral to the assembly and operation of various engine components. Its robust design ensures secure fastening, which is essential for the reliable functioning of these parts.

Doser and Fluid Doser Systems

In doser and fluid doser systems, the Hexagon Flange Head Cap Screw is used to attach the doser to the exhaust system. This secure attachment ensures that the doser can effectively inject fluid into the exhaust stream, enhancing the efficiency of the aftertreatment system. The screw’s flange head provides additional surface area for a tighter grip, reducing the risk of loosening over time.

Drive and Fan Components

For drive and fan components, the Hexagon Flange Head Cap Screw plays a significant role in maintaining the structural integrity of these parts. It is often used to fasten drive belts and fan blades to their respective housings. The screw’s hexagonal head allows for easy tightening and loosening using a wrench, ensuring that the components remain firmly in place even under high rotational speeds.

Exhaust Outlet Connection

At the exhaust outlet connection, the Hexagon Flange Head Cap Screw is employed to secure the connection between the exhaust manifold and the exhaust pipe. This ensures a leak-free seal, which is vital for maintaining the engine’s performance and reducing emissions. The screw’s design helps in withstanding high temperatures and pressures, making it suitable for this application.

Mounting and Aftertreatment System

In the mounting of aftertreatment systems, the Hexagon Flange Head Cap Screw is used to attach various components such as catalytic converters and diesel particulate filters to the vehicle’s frame. This secure mounting is essential for the durability and effectiveness of the aftertreatment system, ensuring that it can withstand the vibrations and stresses of everyday driving.

Ignition System

Within the ignition system, the Hexagon Flange Head Cap Screw is utilized to fasten ignition coils and other components to the engine block or cylinder head. This secure attachment ensures consistent performance of the ignition system, which is crucial for reliable engine starting and operation. The screw’s design helps in maintaining a strong connection, even in the presence of engine vibrations.

Conclusion

The 3641217 Hexagon Flange Head Cap Screw by Cummins is a critical component in the maintenance and operation of heavy-duty trucks and engines. Its design, featuring a hexagonal head and flange, provides robust fastening solutions that ensure the secure attachment of various components. The screw’s high-quality materials and resistance to corrosion and wear make it suitable for the demanding environments of commercial trucking. Proper installation, regular maintenance, and adherence to torque specifications are essential for ensuring the screw’s optimal performance and longevity. Cummins’ commitment to quality and innovation is reflected in the design and functionality of this part, making it a reliable choice for truck and engine maintenance.