3916306
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3916306 and manufactured by Cummins, is a vital component in the maintenance and operation of heavy-duty trucks. Cummins, a well-established name in the automotive industry, ensures that this screw meets the rigorous demands of truck mechanics and operators.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and a flange beneath the head. This design allows for efficient tightening and loosening using a wrench or socket, while the flange provides a bearing surface that distributes the load and prevents the screw from pulling through the material. In the context of a truck’s mechanical system, these screws are used to secure various components, ensuring structural integrity and reliable operation.

Purpose and Role in Truck Operation

The 3916306 Hexagon Flange Head Cap Screw plays a specific role in the operation and maintenance of heavy-duty trucks. It is utilized in applications where secure fastening is required, such as attaching engine components, transmission parts, and chassis elements. The screw’s design ensures that it can withstand significant stress and vibration, which are common in truck operations. Its application across various truck components underscores its versatility and importance in maintaining the truck’s overall functionality.

Key Features

The 3916306 Hexagon Flange Head Cap Screw boasts several key features that enhance its functionality and durability. The hexagonal head allows for precise and efficient tightening, reducing the risk of cam-out during installation. The flange beneath the head provides additional surface area, which helps in distributing the load and preventing the screw from pulling through the material. The material composition of the screw, typically a high-strength alloy, ensures it can withstand the demanding conditions encountered in heavy-duty truck applications.

Benefits

Using the 3916306 Hexagon Flange Head Cap Screw in truck maintenance offers several benefits. The design of the screw provides improved fastening security, making it less likely to loosen over time, even under vibration. The ease of installation and removal, thanks to the hexagonal head, allows for quick and efficient maintenance procedures. Additionally, the flange feature enhances the screw’s resistance to pull-through, ensuring a more secure and lasting fit.

Installation and Usage

Proper installation of the 3916306 Hexagon Flange Head Cap Screw is crucial for ensuring a secure and lasting fit. It is recommended to follow torque specifications provided by Cummins to achieve the correct tension without over-tightening, which could damage the screw or the material it is fastening. Using the appropriate wrench or socket for the hexagonal head ensures efficient and precise tightening. Regular inspection and re-tightening, as needed, will help maintain the screw’s effectiveness over time.

Troubleshooting and Maintenance

Common issues with the 3916306 Hexagon Flange Head Cap Screw may include loosening due to vibration or corrosion over time. Regular inspection during maintenance checks can help identify these issues early. If loosening is detected, re-tightening to the specified torque is recommended. In cases of corrosion, cleaning the screw and the surrounding area, followed by re-application of a suitable anti-corrosion coating, can help prolong its lifespan. Replacing severely corroded or damaged screws is also advisable to ensure optimal performance and safety.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins is committed to quality and innovation in the automotive industry. The company’s extensive product range includes engines, powertrains, and related components, all designed to meet the demanding requirements of various applications, including heavy-duty trucks. Cummins’ dedication to excellence ensures that their products, like the 3916306 Hexagon Flange Head Cap Screw, deliver reliable performance and durability.

Cummins Engine Part 3916306: Hexagon Flange Head Cap Screw

The Cummins part number 3916306, a Hexagon Flange Head Cap Screw, is a critical component that finds application across various Cummins engine models. This part is integral to the assembly and maintenance of the engines, ensuring secure fastening and stability.

Application in Cummins Engines

6B5.9, 6C8.3, and ISC CM850

The Hexagon Flange Head Cap Screw is utilized in the 6B5.9, 6C8.3, and ISC CM850 engines for securing various components. These engines, known for their robust performance, benefit from the reliability and strength provided by this screw. It is often used in applications where a strong, durable fastening is required to withstand the operational stresses of these engines.

ISL9 CM2150 SN and L9 CM2670 L128B

In the ISL9 CM2150 SN and L9 CM2670 L128B engines, the part 3916306 plays a vital role in maintaining the structural integrity of the engine components. These engines, designed for heavy-duty applications, rely on the precision and durability of this screw to ensure that all parts remain securely fastened under demanding conditions.

QSK60 CM500 and QSK95 CM2350 K111

For the QSK60 CM500 and QSK95 CM2350 K111 engines, the Hexagon Flange Head Cap Screw is essential in various assembly tasks. These engines, known for their high power output and efficiency, require reliable fastening solutions to maintain performance and longevity. The screw’s design ensures that it can handle the rigors of these high-performance engines.

QSV81G, QSV91-G4 CM558/CM700 V102, and QSV91G

In the QSV81G, QSV91-G4 CM558/CM700 V102, and QSV91G engines, the part 3916306 is used to secure critical engine components. These engines, designed for versatility and efficiency, benefit from the precision and strength of this screw. It ensures that all parts are held firmly in place, contributing to the overall reliability and performance of the engine.

The Hexagon Flange Head Cap Screw is a testament to Cummins’ commitment to quality and durability, providing a reliable fastening solution across a wide range of engine models.

Role of Part 3916306 Hexagon Flange Head Cap Screw in Engine Systems

The 3916306 Hexagon Flange Head Cap Screw is a versatile fastener utilized across various engine systems to ensure secure and reliable connections. Its application spans multiple components, contributing to the overall integrity and performance of the engine.

Aftercooler and Turbocharger Systems

In aftercooler and turbocharger arrangements, the 3916306 screw is employed to fasten brackets and mounting plates. These brackets support the turbocharger and aftercooler, ensuring they remain securely in place under the high-stress conditions of turbocharging. The screw’s flange head provides additional surface area, enhancing the fastening strength and preventing loosening due to vibrations.

Engine Oil and Fuel Systems

Within the engine oil system, this screw is used to secure the oil filter and oil bypass module. It ensures these components are tightly mounted, preventing leaks and maintaining the efficiency of the oil filtration process. Similarly, in the fuel control system, the screw fastens components such as the fuel pump and related modules, ensuring a stable and secure connection that is vital for precise fuel delivery.

Cooling and Support Systems

The 3916306 screw plays a significant role in the engine’s cooling system by securing the water pump and cooler components. It ensures these parts are firmly attached to their respective mounts, facilitating efficient coolant flow and temperature regulation. Additionally, in the support and subbase structures, the screw is used to fasten various support brackets, contributing to the overall stability of the engine’s power train and rear engine components.

Electrical and Accessory Mounting

For components like the alternator, the 3916306 screw is utilized to mount the alternator securely to the engine. This ensures consistent performance and reliable electrical output. Its application extends to other accessories and modules, where secure fastening is essential for operational integrity.

Overall, the 3916306 Hexagon Flange Head Cap Screw is an indispensable fastener in engine systems, providing the necessary strength and reliability to maintain the secure attachment of critical components across various engine subsystems.

Conclusion

The 3916306 Hexagon Flange Head Cap Screw is a critical component in the maintenance and operation of heavy-duty trucks and Cummins engines. Its design, featuring a hexagonal head and a flange, ensures efficient tightening, load distribution, and resistance to pull-through. The screw’s high-strength alloy composition allows it to withstand the demanding conditions of truck and engine operations. Proper installation, regular maintenance, and timely replacement are essential to ensure the screw’s effectiveness and the overall reliability of the truck and engine systems.