3916071
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flanged Head Cap Screw, identified by part number 3916071, is a component manufactured by Cummins, a renowned entity in the automotive and heavy-duty truck industry. This screw is integral to the assembly and operation of heavy-duty trucks, providing secure fastening solutions that contribute to the vehicle’s overall performance and reliability.

Basic Concepts

A Hexagon Flanged Head Cap Screw is a type of fastener characterized by its hexagonal head, which allows for efficient tightening and loosening using a wrench or socket. The flanged feature at the base of the head serves to distribute the load more evenly across the surface it contacts, reducing the risk of damage to the material being fastened. Within a truck’s assembly, this screw plays a role in securing various components, ensuring they remain firmly in place under operational stresses ¹.

Purpose and Role in Truck Operation

The 3916071 Hexagon Flanged Head Cap Screw is specifically designed to meet the demanding requirements of heavy-duty truck operations. It is utilized in applications where secure and durable fastening is required, such as in the attachment of engine components, chassis parts, and other critical assemblies. By providing a reliable fastening solution, this screw contributes to the truck’s functionality and reliability, ensuring that components remain securely fastened under the rigors of heavy-duty use ².

Key Features

The 3916071 Hexagon Flanged Head Cap Screw boasts several key features that enhance its performance and application in truck assemblies. Its hexagonal head design allows for easy and efficient tightening and loosening, while the flanged feature at the base of the head distributes the load more evenly, reducing the risk of damage to the fastened material. Additionally, the cap screw characteristics of this part ensure a secure and durable fastening solution, making it well-suited for the demanding environments encountered in heavy-duty truck operations.

Benefits

Utilizing the 3916071 Hexagon Flanged Head Cap Screw offers several benefits in heavy-duty truck applications. The design of the screw provides improved fastening security, ensuring that components remain securely fastened under operational stresses. Additionally, the hexagonal head allows for ease of installation and removal, facilitating maintenance and repair procedures. Furthermore, the screw’s resistance to loosening under vibration makes it an ideal choice for applications where components are subject to dynamic loads and movements.

Installation and Usage

Proper installation of the 3916071 Hexagon Flanged Head Cap Screw is crucial to ensure optimal performance and longevity. It is recommended to use the appropriate torque specifications provided by the manufacturer to achieve the desired clamping force without overtightening, which could lead to damage. The use of recommended tools, such as wrenches or sockets designed for hexagonal heads, ensures efficient and accurate installation. This screw is typically applied in various heavy-duty truck assemblies, including engine components, chassis parts, and other critical fastening applications.

Troubleshooting and Maintenance

To maintain the performance and longevity of the 3916071 Hexagon Flanged Head Cap Screw, regular inspections and maintenance are recommended. Common issues, such as loosening or corrosion, can be addressed through periodic checks and retightening as necessary. Additionally, protecting the screw from environmental factors, such as moisture and contaminants, can help prevent corrosion and extend its service life. Replacement guidelines should be followed when signs of wear or damage are detected, ensuring the continued reliability of the fastening solution ².

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a history of innovation and commitment to quality, Cummins has established itself as a trusted name in the automotive and heavy-duty truck industry. The company’s expertise in engine manufacturing and dedication to advancing technology have made it a preferred choice for customers seeking reliable and high-performance solutions.

Hexagon Flanged Head Cap Screw 3916071 in Cummins Engines

The Hexagon Flanged Head Cap Screw 3916071, manufactured by Cummins, is a critical component in various Cummins engine models. This part is designed to secure and stabilize different engine parts, ensuring the engine operates efficiently and safely. Below is a detailed look at how this screw fits into specific Cummins engine models:

15N CM2380 M104B

In the 15N CM2380 M104B engine, the 3916071 screw is used to fasten critical components, ensuring the structural integrity of the engine. Its flanged head provides a secure grip, while the hexagon shape allows for easy tightening and loosening with a wrench.

6B5.9, 6C8.3, L8.9, L8.9 CM2670 L134C, L8.9G CMOH2.0 L125B

For engines like the 6B5.9, 6C8.3, L8.9, L8.9 CM2670 L134C, and L8.9G CMOH2.0 L125B, the 3916071 screw is integral in securing the engine’s cylinder heads and other vital parts. The flanged head design ensures a tight seal, preventing leaks and maintaining engine performance.

C GAS PLUS CM556, ISC CM554, ISC CM850

In the C GAS PLUS CM556, ISC CM554, and ISC CM850 engines, the 3916071 screw is used to attach various engine components, including the intake and exhaust manifolds. The screw’s robust design ensures that these parts remain securely fastened under high-stress conditions.

ISL9 CM2150 SN, ISL9.5 CM2880 L138

For the ISL9 CM2150 SN and ISL9.5 CM2880 L138 engines, the 3916071 screw plays a crucial role in securing the engine’s turbocharger and other related components. Its flanged head provides a stable connection, enhancing the engine’s overall reliability.

QSK45 CM500, QSK50 CM2350 K108, QSK60 CM500, QSK60 CM850 MCRS, QSK60 G CM2358 K110, QSK60G, QSK78 CM500, QSK95 CM2350 K111, QSK95 CM2350 K113

In the QSK series engines, including the QSK45 CM500, QSK50 CM2350 K108, QSK60 CM500, QSK60 CM850 MCRS, QSK60 G CM2358 K110, QSK60G, QSK78 CM500, QSK95 CM2350 K111, and QSK95 CM2350 K113, the 3916071 screw is used to fasten the engine’s cylinder heads and other critical parts. The screw’s design ensures that these components remain securely attached, even under high-stress conditions.

QSL8.9 CM2150 L141, QSL9 CM850(CM2850), QSM11 CM570, QSV91-G4 CM558/CM700 V102, QSV91G

In the QSL8.9 CM2150 L141, QSL9 CM850(CM2850), QSM11 CM570, QSV91-G4 CM558/CM700 V102, and QSV91G engines, the 3916071 screw is used to secure various engine components, including the cylinder heads and other critical parts. The screw’s flanged head provides a stable and secure connection, ensuring the engine operates efficiently.

Role of Part 3916071 Hexagon Flanged Head Cap Screw in Engine Systems

The Hexagon Flanged Head Cap Screw, identified as part 3916071, is integral to the assembly and securement of various components within engine systems. Its design allows for efficient fastening and reliable connection across multiple engine subsystems.

Aftercooler

In the aftercooler system, the Hexagon Flanged Head Cap Screw is used to secure the aftercooler to its mounting brackets. This ensures that the aftercooler remains firmly in place, allowing for effective cooling of the compressed air before it enters the engine.

Alarm and Alternator Mounting

For the alarm and alternator mounting, this screw plays a role in attaching these components to the engine frame. Secure fastening is essential to prevent vibrations from dislodging these critical systems, ensuring continuous operation and accurate monitoring of engine performance.

Connections (Exhaust Outlet, Water Inlet, Engine Oil Drain, Remote Oil Filter)

Across various connections such as the exhaust outlet, water inlet, engine oil drain, and remote oil filter, the Hexagon Flanged Head Cap Screw is employed to create tight seals. This prevents leaks and ensures the integrity of the fluid and gas pathways within the engine system.

Cooler and Lubricating Oil Components

In the cooler and lubricating oil systems, including the lubricating oil filter and pump, this screw is used to fasten components together. Proper assembly is vital for maintaining the flow of lubricating oil, which is essential for reducing friction and wear within the engine.

Kit Muffler and Manifold Exhaust

For the kit muffler and manifold exhaust, the screw ensures that these components are securely attached to the engine. This is important for maintaining the efficiency of the exhaust system and reducing noise emissions.

Module Fuel Control and Mounting Alternator

In the module fuel control and alternator mounting, the Hexagon Flanged Head Cap Screw provides the necessary stability. This is crucial for the precise operation of the fuel control module and the reliable generation of electrical power by the alternator.

Plumbing (Decomposition Reactor, Engine Coolant, Thermostat Housing)

Within the plumbing systems, including the decomposition reactor, engine coolant, and thermostat housing, this screw is used to secure fittings and ensure that coolant and other fluids circulate effectively without leakage.

Pumps (Lubricating Oil, Water)

For pumps such as the lubricating oil and water pumps, the screw is utilized to attach pump components securely. This ensures that the pumps can operate efficiently, providing the necessary pressure and flow for their respective systems.

Support Structures (Front Engine, Power Train, Rear Engine)

In support structures for the front engine, power train, and rear engine, the Hexagon Flanged Head Cap Screw is critical for maintaining the structural integrity of these components. This helps in withstanding the dynamic forces experienced during engine operation.

Auxiliary Cooling System

Finally, in the auxiliary cooling system, this screw is used to fasten additional cooling components, ensuring they are securely in place to assist in managing engine temperatures effectively.

Conclusion

The 3916071 Hexagon Flanged Head Cap Screw is a vital component in the assembly and operation of heavy-duty trucks and Cummins engines. Its design and features provide secure fastening solutions that contribute to the vehicle’s overall performance and reliability. Proper installation, maintenance, and understanding of its role in various engine systems are essential for ensuring the longevity and efficiency of the fastening solution.