3914118
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3914118, is a specialized fastener produced by Cummins. This screw is integral to the assembly and maintenance of commercial trucks, ensuring secure and reliable fastening in various applications. Cummins, a reputable manufacturer in the automotive and heavy-duty truck industry, is known for its high-quality components that contribute to the durability and performance of vehicles.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of bolt characterized by its hexagonal head and flanged base. The hexagonal head allows for efficient torque application using standard tools, while the flange provides additional surface area to distribute load and prevent the screw from sinking into the material. This design is particularly effective in fastening applications where high torque and secure attachment are required. The screw threads into a pre-drilled hole, creating a strong and stable connection between components.

Purpose and Role in Truck Operation

The 3914118 Hexagon Flange Head Cap Screw plays a significant role in the operation and maintenance of commercial trucks. It is used in applications where components need to be securely fastened, such as in the engine compartment, chassis, and various structural assemblies. The screw’s design ensures that connections remain tight under varying loads and environmental conditions, contributing to the overall reliability and safety of the truck.

Key Features

The 3914118 Hexagon Flange Head Cap Screw boasts several key features that enhance its performance and durability. Its hexagonal head design allows for easy and precise torque application, reducing the risk of stripping or over-tightening. The flange at the base of the screw provides additional stability and load distribution, preventing the screw from pulling through the material. Additionally, the screw is crafted from high-quality materials, ensuring resistance to corrosion and wear, which is crucial in the demanding environments typical of commercial trucking.

Benefits

The 3914118 Hexagon Flange Head Cap Screw offers numerous benefits that make it an ideal choice for fastening applications in commercial trucks. Its design enhances fastening security, providing a robust connection that can withstand significant stress and vibration. The flange feature also contributes to vibration resistance, maintaining the integrity of the fastening over time. Furthermore, the screw’s ease of installation, thanks to its hexagonal head, allows for quick and efficient assembly, reducing downtime during maintenance procedures.

Installation and Usage

Proper installation of the 3914118 Hexagon Flange Head Cap Screw is vital to ensure optimal performance and longevity. It is recommended to use the appropriate torque specifications provided by the manufacturer to achieve the correct tension without over-tightening. Utilizing a torque wrench is advisable to maintain consistency and prevent damage to the screw or the fastened components. Additionally, ensuring that the mating surfaces are clean and free of debris will enhance the screw’s grip and overall effectiveness.

Maintenance and Troubleshooting

Regular maintenance of the 3914118 Hexagon Flange Head Cap Screw is essential to ensure its continued performance and longevity. Inspecting the screw for signs of corrosion, wear, or loosening is recommended during routine maintenance checks. If any issues are detected, such as rust or reduced torque, the screw should be replaced to prevent potential failures. Additionally, ensuring that all fastened components remain aligned and undamaged will contribute to the screw’s effectiveness.

Manufacturer - Cummins

Cummins is a well-established manufacturer with a strong reputation in the automotive and heavy-duty truck industry. Founded in 1919, Cummins has a long history of producing high-quality engine and component solutions. The company is committed to innovation, reliability, and customer satisfaction, making it a trusted name among professionals in the field. Cummins’ dedication to excellence is reflected in the design and performance of the 3914118 Hexagon Flange Head Cap Screw, ensuring that it meets the rigorous demands of commercial trucking applications.¹

Compatibility with Cummins Engines

The Hexagon Flange Head Cap Screw part number 3914118, manufactured by Cummins, is a versatile component designed to fit a variety of Cummins engines. This screw is integral in securing various parts within the engine assembly, ensuring structural integrity and operational efficiency.

Compatibility with Specific Engine Models

15N CM2380 M104B, 6C8.3, C GAS PLUS CM556, C8.3 G, G8.3, G8.3 CM558, GTA8.3 CM558

These engines, which include the 15N CM2380 M104B, 6C8.3, and the C GAS PLUS CM556 series, benefit from the use of the 3914118 screw in securing components such as valve covers, intake manifolds, and other critical parts. The screw’s design allows for a secure fit, reducing the risk of loosening over time.

ISC CM2150, ISC CM554, ISC CM850, ISC8.3 CM2250

The ISC series engines, including the ISC CM2150, ISC CM554, ISC CM850, and ISC8.3 CM2250, utilize the 3914118 screw for fastening various engine components. This screw’s flange head provides a larger surface area for torque application, ensuring that parts remain tightly secured during engine operation.

ISL CM2150, ISL CM554, ISL G CM2180, ISL9 CM2150 SN, ISL9 CM2250, ISL9.5 CM2880 L138

The ISL series engines, such as the ISL CM2150, ISL CM554, and ISL G CM2180, among others, also incorporate the 3914118 screw in their assembly. This screw is particularly useful in securing components that are subject to high stress and vibration, ensuring durability and reliability.

L GAS PLUS CM556, L8.9, L8.9 CM2670 L134C, L8.9 L121, L8.9G CMOH2.0 L125B, L9 CM2670 L128B, L9.3 L105, L9.5 L117

The L series engines, including the L GAS PLUS CM556, L8.9, and L8.9 CM2670 L134C, utilize the 3914118 screw for various applications. This screw’s design is ideal for securing components in these engines, providing a reliable and secure fastening solution.

The 3914118 screw’s compatibility with these engines underscores its versatility and importance in maintaining the structural integrity and operational efficiency of Cummins engines.

Role of Part 3914118 Hexagon Flange Head Cap Screw in Engine Systems

The part 3914118 Hexagon Flange Head Cap Screw is integral to the assembly and securement of various engine components, ensuring the structural integrity and efficient operation of the engine system.

In the context of an adapter, this screw plays a significant role in fastening the adapter to the engine block or other components, ensuring a secure connection that can withstand operational stresses and vibrations.

For the front drive arrangement, the screw is utilized to attach the front drive components securely, which is essential for the transmission of power from the engine to the drivetrain. This secure attachment is vital for the smooth operation and durability of the front drive system.

When it comes to the vibration damper and vib damper, the Hexagon Flange Head Cap Screw is employed to mount these components to the crankshaft or other parts of the engine. This secure mounting is necessary to effectively absorb and dampen vibrations, contributing to the overall stability and longevity of the engine.

In the assembly of a cylinder block kit, this screw is used to fasten various components to the cylinder block, ensuring that all parts are held firmly in place. This is important for maintaining the precise alignment and operation of the engine’s internal components.

For the damper and vibration control systems, the screw helps in securing the damper to the engine, allowing it to perform its function of reducing vibrations and ensuring smooth engine operation.

In the context of a pulley system, the screw is used to attach the pulley to the crankshaft or other rotating components. This secure attachment is essential for the efficient transfer of power and the smooth operation of the pulley system.

Lastly, for the crankshaft, the Hexagon Flange Head Cap Screw is utilized in various mounting and attachment points, ensuring that all connected components are securely fastened. This is important for the crankshaft’s rotational stability and the engine’s overall performance.

Conclusion

The 3914118 Hexagon Flange Head Cap Screw is a critical component in the assembly and maintenance of commercial trucks and Cummins engines. Its design, featuring a hexagonal head and flanged base, ensures secure and reliable fastening in various applications. The screw’s compatibility with a wide range of Cummins engines underscores its versatility and importance in maintaining the structural integrity and operational efficiency of these engines. Proper installation, regular maintenance, and understanding its role in engine systems are essential for maximizing the performance and longevity of this Cummins part.