5414321
Hexagon Flange Head Cap Screw
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$3.59 $4.27

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 Hexagon Flange Head Cap Screw (Part #5414321) is a specialized fastener designed for use in commercial truck maintenance. This part ensures the structural integrity of truck components by providing secure and reliable fastening solutions. Its design and construction are tailored to meet the demanding requirements of heavy-duty applications, making it a valuable component in the maintenance and repair of commercial vehicles.

Basic Concepts

Hexagon Flange Head Cap Screws are characterized by their hexagonal head, which allows for easy tightening and loosening using a wrench or socket. The flange, or flat surface, at the base of the head provides additional stability and prevents the screw from sinking into the material being fastened. These screws are commonly used in the automotive industry for applications requiring high strength and resistance to vibration. Their design ensures a secure connection that can withstand the rigors of heavy-duty use 1.

Purpose and Role in Truck Operation

The 5414321 Hexagon Flange Head Cap Screw serves a specific purpose in the operation of commercial trucks. It is used to fasten critical components that are subject to significant stress and vibration. By providing a secure and stable connection, this screw contributes to the overall functionality and safety of the vehicle. Its role in maintaining the integrity of truck components is vital for ensuring reliable performance and longevity 2.

Key Features

The 5414321 Hexagon Flange Head Cap Screw features a hexagonal flange head design that facilitates easy installation and removal. It is composed of high-quality materials, such as alloy steel, which offer superior strength and durability. The screw has a specific thread type that ensures a tight and secure fit, and its unique characteristics set it apart from standard fasteners, making it ideal for heavy-duty applications.

Benefits

The 5414321 Hexagon Flange Head Cap Screw offers several benefits compared to standard fasteners. Its enhanced durability and corrosion resistance make it suitable for use in harsh environments. The screw’s design also allows for ease of installation, reducing the time and effort required during maintenance procedures. Additionally, it provides improved load-bearing capacity, ensuring that it can withstand the stresses associated with commercial truck operation 3.

Installation and Usage Guidelines

Proper installation of the 5414321 Hexagon Flange Head Cap Screw is crucial for ensuring optimal performance and longevity. Torque specifications should be followed to achieve the correct tightening force without over-tightening, which could damage the screw or the components being fastened. Recommended tightening procedures involve using a torque wrench to apply the specified amount of force. Best practices include inspecting the screw and surrounding components regularly to ensure they remain secure and free from damage.

Troubleshooting and Maintenance

Common issues that may arise with the 5414321 Hexagon Flange Head Cap Screw include loosening, corrosion, or damage. Troubleshooting techniques involve inspecting the screw for signs of wear or corrosion and tightening it if necessary. Maintenance procedures may include cleaning the screw and surrounding area to prevent corrosion and replacing the screw if it shows signs of damage. Preventive measures, such as applying a corrosion-resistant coating, can help extend the life of the screw and ensure continued reliable performance.

Cummins: Manufacturer Overview

Cummins Inc. is a renowned manufacturer with a strong reputation in the automotive industry. The company has a history of innovation and commitment to quality, producing a wide range of products designed to meet the needs of heavy-duty applications. Cummins’ dedication to excellence is evident in the design and construction of the 5414321 Hexagon Flange Head Cap Screw, which reflects the company’s expertise and attention to detail.

Cummins Hexagon Flange Head Cap Screw 5414321 in Engine Applications

The Cummins Hexagon Flange Head Cap Screw, part number 5414321, is a critical component in various engine systems. Its design and functionality make it suitable for securing different parts within the engine assembly, ensuring structural integrity and operational efficiency.

ISV (Nissan) Engines

In the ISV (Nissan) engines, the 5414321 screw is utilized in several key areas. Its flange head design provides a larger bearing surface, which is essential for distributing the load evenly and preventing damage to the mating parts. This screw is often used in applications where high torque and vibration resistance are required, such as securing engine covers, manifolds, and other critical components.

The precision engineering of the 5414321 screw ensures that it fits seamlessly within the ISV engine architecture. Its robust construction allows it to withstand the demanding conditions of engine operation, including high temperatures and pressures. The use of this screw in ISV engines highlights Cummins’ commitment to providing reliable and durable components that enhance engine performance and longevity.

The integration of the 5414321 screw in ISV engines is a testament to its versatility and effectiveness in demanding environments. Its application in these engines underscores the importance of using high-quality fasteners to maintain the integrity and efficiency of the engine assembly.

Role of Part 5414321 Hexagon Flange Head Cap Screw in Engine Systems

Air Intake Connection

The part 5414321 Hexagon Flange Head Cap Screw is instrumental in securing the air intake connection to the engine. This screw ensures a tight and reliable connection, which is essential for maintaining the integrity of the air intake system. A secure connection prevents air leaks, which can adversely affect engine performance by disrupting the air-fuel mixture. The flange head of the screw provides additional surface area for a more robust grip, reducing the likelihood of loosening over time due to engine vibrations.

Engine Oil Cooler

In the context of the engine oil cooler, the part 5414321 Hexagon Flange Head Cap Screw plays a significant role in attaching the cooler to the engine block or other mounting points. The screw’s design allows for efficient heat dissipation from the engine oil, contributing to the overall cooling efficiency of the engine. A secure attachment is vital to ensure that the oil cooler remains in place under various operating conditions, thereby maintaining optimal oil temperature and engine performance.

Long Block Kit

When incorporated into a long block kit, the part 5414321 Hexagon Flange Head Cap Screw is used to fasten various components within the engine assembly. This includes securing cylinder heads, valve covers, and other critical engine parts. The screw’s hexagonal flange head provides ease of use with common tools, facilitating quick and reliable installations. Its cap design protects the screw from contaminants and debris, ensuring longevity and consistent performance throughout the engine’s operational life.

Conclusion

The Cummins Hexagon Flange Head Cap Screw (Part #5414321) is a vital component in the maintenance and operation of commercial trucks and engines. Its robust design, ease of installation, and resistance to corrosion and vibration make it an ideal choice for heavy-duty applications. Proper installation and maintenance of this part are essential for ensuring the reliability and longevity of truck and engine components.


  1. Bonneau, D., Fatu, A., & Souchet, D. (2014). Internal Combustion Engine Bearings Lubrication in Hydrodynamic Bearings. Wiley-ISTE.

  2. Sclar, D. (2008). Auto Repair for Dummies: 2nd Edition. For Dummies.

  3. Zhao, H. (2010). Advanced Direct Injection Combustion Engine Technologies and Development Volume 2 Diesel Engines. CRC Press.

SPECIFICATIONS

Package Dimensions
2.375 x 0.75 x 0.75 in
Weight
0.05 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.