4071043
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 4071043, is a critical component manufactured by Cummins. This screw is essential in commercial truck maintenance due to its robust design and reliable performance. Cummins, a renowned name in the industry, ensures that this part meets the stringent demands of heavy-duty applications ¹.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener 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. In fastening applications, this screw is used to securely join components, ensuring stability and integrity in various mechanical assemblies ².

Role in Truck Operation

This Cummins part plays a specific role in the operation and maintenance of commercial trucks. It is often utilized in critical areas where secure fastening is required to withstand vibrations and dynamic loads. This includes applications in the engine compartment, chassis, and other structural components where reliability and durability are paramount ³.

Key Features

The 4071043 Hexagon Flange Head Cap Screw boasts several key features that enhance its performance. Its hexagonal head design allows for easy and precise tightening using common tools, reducing the risk of damage to the screw or surrounding components. The flange characteristic provides additional bearing surface, which helps in distributing the load more evenly and preventing the screw from pulling through the material. Additionally, the material properties of this screw, typically high-strength steel, ensure it can endure the rigors of heavy-duty use, offering excellent resistance to corrosion and wear ⁴.

Benefits

Using the 4071043 Hexagon Flange Head Cap Screw offers several benefits. The design of the screw enhances fastening security, making it less prone to loosening over time, even under significant vibrations. Its durability ensures long-term performance in heavy-duty applications, reducing the need for frequent replacements. The resistance to corrosion further extends its service life, making it a reliable choice for commercial truck maintenance .

Troubleshooting and Maintenance

To ensure the longevity and performance of the 4071043 Hexagon Flange Head Cap Screw, regular maintenance and troubleshooting practices should be followed. Inspecting the screw for signs of wear, corrosion, or damage is crucial. If any issues are detected, such as loosening or surface degradation, the screw should be replaced to prevent potential failures. Additionally, ensuring that the screw is properly torqued during installation will help maintain its integrity and performance .

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history dating back to 1919, Cummins has built a reputation for innovation, quality, and reliability. The company offers a wide range of products designed to meet the needs of various industries, including commercial trucking. Cummins’ commitment to excellence is reflected in its extensive product line and the trust it has earned among professionals in the field .

Compatibility with Cummins Engines

The Hexagon Flange Head Cap Screw part number 4071043, manufactured by Cummins, is a versatile component that fits a variety of Cummins engines. This screw is designed to secure various parts and assemblies within the engine, ensuring stability and reliability during operation.

ISM Series Engines

• ISM CM570
• ISM CM570/870
• ISM CM876
• ISM11 CM876 SN

The ISM series engines utilize the 4071043 screw in several applications. This screw is commonly used for securing components such as valve covers, oil pans, and other critical engine parts, ensuring a tight and secure fit.

ISX Series Engines

• ISX12 CM2350 X102
• ISX12 G CM2180 EJ
• ISX12/ISX11.9 CM2250

The ISX series engines also benefit from the use of the 4071043 screw. This screw is integral in securing various engine components, including turbocharger housings, intake manifolds, and other critical assemblies.

ISZ Series Engines

• ISZ13 CM2150 Z105

The ISZ13 CM2150 Z105 engine incorporates the 4071043 screw in its design. This screw is used to secure components such as the cylinder head cover and other critical parts, ensuring the engine operates efficiently and reliably.

L10 Series Engines

• L10 CELECT
• L10 GAS
• L10 MECHANICAL

The L10 series engines utilize the 4071043 screw in various applications. This screw is used to secure components such as the engine block, cylinder heads, and other critical parts, ensuring the engine operates smoothly.

M11 Series Engines

• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL

The M11 series engines incorporate the 4071043 screw in their design. This screw is used to secure components such as the engine block, cylinder heads, and other critical parts, ensuring the engine operates efficiently.

QSM Series Engines

• QSM11 CM570
• QSM11 CM876

The QSM series engines utilize the 4071043 screw in several applications. This screw is used to secure components such as the engine block, cylinder heads, and other critical parts, ensuring the engine operates reliably.

QSX and QSZ Series Engines

• QSX11.9 CM2250 ECF
• QSZ13 CM2150 Z101
• QSZ13 CM2150 Z102

The QSX and QSZ series engines incorporate the 4071043 screw in their design. This screw is used to secure components such as the engine block, cylinder heads, and other critical parts, ensuring the engine operates efficiently.

X11 and X12 Series Engines

• X11 CM2670 X126B
• X12 CM2670 X121B

The X11 and X12 series engines utilize the 4071043 screw in several applications. This screw is used to secure components such as the engine block, cylinder heads, and other critical parts, ensuring the engine operates smoothly.

Z13 Series Engine

• Z13 Z108G

The Z13 Z108G engine incorporates the 4071043 screw in its design. This screw is used to secure components such as the engine block, cylinder heads, and other critical parts, ensuring the engine operates efficiently.

Understanding the Role of Part 4071043 Hexagon Flange Head Cap Screw in Engine Systems

Part 4071043, the Hexagon Flange Head Cap Screw, is integral to the assembly and operation of various engine components. Its design and functionality are tailored to ensure secure fastening and reliable performance under demanding conditions.

Cylinder Block Kit

In the cylinder block kit, this part is used to fasten components such as the cylinder head to the block. This secure attachment is essential for maintaining the structural integrity of the engine, ensuring that the combustion process occurs within a sealed environment. The screw’s flange head provides additional surface area for distribution of clamping force, reducing the risk of stripping or damage to the fastened materials.

Damper and Vibration Control

When integrating a damper into an engine system, the Hexagon Flange Head Cap Screw plays a role in securing the damper to the crankshaft or other rotating components. This attachment is vital for effective vibration control, as the damper must be firmly in place to absorb and mitigate vibrations generated during engine operation. The screw’s robust design helps maintain the damper’s alignment and performance over time.

Flexplate and Flywheel Assembly

In the context of the flexplate or flywheel, the Hexagon Flange Head Cap Screw is employed to secure these components to the crankshaft. This connection is fundamental for transmitting power from the engine to the transmission. The screw ensures that the flexplate or flywheel remains securely attached, allowing for smooth and efficient power transfer. Its flange head design enhances the screw’s torque capabilities, ensuring a strong and durable connection.

Package and Product Installation

During the installation of engine packages, the Hexagon Flange Head Cap Screw is often used to fasten various components together, ensuring that the package is correctly assembled and functions as intended. Whether securing brackets, mounts, or other ancillary parts, this screw provides the necessary strength and reliability to withstand the dynamic forces encountered during engine operation. Its use in product installation underscores its versatility and importance in maintaining the overall integrity of the engine system.

Conclusion

The 4071043 Hexagon Flange Head Cap Screw is a vital component in the maintenance and operation of commercial trucks and various Cummins engines. Its robust design, reliable performance, and compatibility with a wide range of engine systems make it an indispensable part for ensuring the stability and efficiency of heavy-duty applications. Regular maintenance and proper installation practices are essential to maximize the longevity and performance of this critical screw.