3328379
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, Part #3328379 by Cummins, is a specialized fastener designed for use in commercial trucks. Cummins, a well-respected manufacturer in the industry, produces this screw to meet the demanding requirements of heavy-duty applications. This screw is integral to ensuring the reliability and performance of various truck components.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of bolt characterized by its hexagonal head and a flange beneath the head. The hexagonal head allows for efficient torque application using standard tools, while the flange provides a bearing surface that distributes load and prevents the screw from sinking into the material. In a truck’s mechanical system, these screws are used to secure components that require both high strength and resistance to loosening.

Purpose and Role in Truck Operation

This Cummins part plays a significant role in the operation of a truck by securing critical components such as engine parts, transmission housings, and chassis assemblies. Its design ensures that these components remain firmly in place under the dynamic and strenuous conditions encountered in commercial trucking. The screw’s applications extend to various truck components, highlighting its versatility and importance in maintaining the structural integrity and functionality of the vehicle.

Key Features

The 3328379 boasts several key features that enhance its functionality and durability. Its hexagonal head design allows for easy and secure tightening using common tools. The flange characteristic provides additional load distribution, reducing the risk of the screw head sinking into the material. Additionally, the screw is crafted from high-quality materials that offer excellent resistance to corrosion and wear, ensuring long-term performance in harsh environments.

Benefits

This part offers several benefits that make it an ideal choice for heavy-duty applications. Its design enhances fastening security, providing a stable and reliable connection between components. The screw’s resistance to loosening ensures that critical parts remain securely fastened, even under vibration and dynamic loads. Furthermore, its durability under heavy-duty conditions contributes to the overall reliability and longevity of the truck.

Installation and Usage

Proper installation of the 3328379 is vital to ensure optimal performance and longevity. It is recommended to follow torque specifications provided by Cummins to achieve the correct tension without overtightening, which could lead to damage. Using the appropriate tools and techniques during installation will help maintain the screw’s integrity and ensure a secure connection. Regular inspection and maintenance are also advisable to monitor the condition of the screw and address any issues promptly.

Troubleshooting and Maintenance

Common issues with the 3328379 may include loosening or corrosion. To troubleshoot these problems, it is important to inspect the screw and surrounding components regularly. If loosening is detected, re-tightening to the specified torque is recommended. In cases of corrosion, cleaning the affected area and applying a suitable anti-corrosive treatment can help prolong the screw’s service life. Routine maintenance and timely replacement of worn screws will contribute to the continued reliability of the truck.

Cummins Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its commitment to quality and innovation. With a rich history of producing reliable and high-performance components, Cummins has established a strong reputation among truck operators and maintenance professionals. The company’s extensive product range includes engines, powertrains, and aftermarket parts, all designed to meet the rigorous demands of heavy-duty applications. Cummins’ dedication to excellence ensures that their products, like the 3328379, deliver consistent performance and durability.

Hexagon Flange Head Cap Screw (Part 3328379) in Cummins Engines

The Hexagon Flange Head Cap Screw, part number 3328379, 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 of the engine are held together firmly and reliably. Its application spans across multiple engine series, demonstrating its versatility and importance in engine assembly.

ISM Series Engines

The ISM series engines, including the ISM CM570, ISM CM570/870, ISM CM876, ISM11 CM876 SN, QSM11 CM570, and QSM11 CM876, utilize the Hexagon Flange Head Cap Screw in various capacities. This screw is integral in securing components within the engine’s structure, ensuring that parts such as covers, brackets, and other assemblies remain tightly fastened. The design of the screw, with its hexagonal head and flange, allows for efficient torque application and retention, critical for maintaining engine integrity under operational stresses.

L10 Series Engines

In the L10 series engines, which include the L10 CELECT, L10 GAS, and L10 MECHANICAL, the Hexagon Flange Head Cap Screw is similarly essential. These engines, known for their robust performance and reliability, depend on this screw to maintain the alignment and stability of key engine parts. The screw’s ability to provide a strong, uniform fastening is crucial in these engines, where precision and durability are paramount.

M11 Series Engines

The M11 series engines, comprising the M11 CELECT, M11 CELECT PLUS, and M11 MECHANICAL, also incorporate the Hexagon Flange Head Cap Screw into their design. These engines are engineered for high performance and efficiency, and the screw’s role in securing various engine components is vital. The screw’s design ensures that parts are fastened securely, contributing to the overall reliability and longevity of the engine.

Each of these engine series benefits from the Hexagon Flange Head Cap Screw’s ability to provide a strong, reliable fastening solution. Its use across multiple engine models underscores its importance in ensuring the structural integrity and operational efficiency of Cummins engines.

Role of Part 3328379 Hexagon Flange Head Cap Screw in Engine Systems

The 3328379 is instrumental in securing and maintaining the integrity of various engine components. Its application spans across multiple critical areas within the engine system, ensuring that each part functions optimally and remains securely in place.

Camshaft and Cylinder Head Assembly

In the camshaft and cylinder head assembly, the Hexagon Flange Head Cap Screw is used to fasten the camshaft to the cylinder head. This secure attachment is vital for the precise operation of the valve timing mechanism, which in turn affects the engine’s performance and efficiency. The screw’s design ensures a tight and durable connection, minimizing the risk of camshaft displacement or misalignment.

Connecting Rod and Piston

When it comes to the connecting rod and piston assembly, this screw plays a significant role in maintaining the structural integrity of the engine. It is often used to secure the connecting rod to the crankshaft, ensuring that the reciprocating motion of the piston is efficiently translated into rotational motion. This connection is essential for the smooth operation of the engine and the prevention of mechanical failures.

Cylinder Head Mounting

The cylinder head mounting is another area where the Hexagon Flange Head Cap Screw is extensively utilized. It is employed to secure the cylinder head to the engine block, creating a sealed combustion chamber. This seal is fundamental for maintaining compression and preventing leaks, which are critical for engine performance and fuel efficiency.

Engine Piston Kit

Within the engine piston kit, these screws are used to attach various components, such as the piston to the connecting rod. This secure attachment ensures that the piston moves smoothly within the cylinder, reducing wear and tear and enhancing the longevity of the engine.

Injectors and Oil Manifold

In the context of injectors and the oil manifold, the Hexagon Flange Head Cap Screw is used to fasten these components to the engine block or cylinder head. This secure mounting is essential for the proper functioning of fuel injection and lubrication systems, directly impacting engine performance and reliability.

Performance Parts

For performance parts, such as upgraded camshafts, cylinder heads, and connecting rods, the use of high-quality Hexagon Flange Head Cap Screws is paramount. These screws must withstand higher stresses and vibrations associated with performance enhancements, ensuring that the engine can handle increased power outputs without compromising safety or durability.

Conclusion

In summary, the 3328379 is a versatile and essential component in various engine systems. Its role in securing and maintaining the integrity of critical engine parts cannot be overstated, making it a fundamental element in the design and operation of modern engines.