3916073
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3916073, is a specialized fastener produced by Cummins, a renowned manufacturer in the automotive industry. This screw is integral to heavy-duty truck applications, where it plays a significant role in securing various components and ensuring the structural integrity of the vehicle.

Basic Concepts and Functionality

The Hexagon Flange Head Cap Screw is designed with a hexagonal head and a flange feature, which provides a larger bearing surface and enhances the screw’s stability during installation. Typically constructed from high-strength materials such as alloy steel, this screw is engineered to withstand substantial loads and stresses encountered in heavy-duty truck environments. Its functionality within a truck’s mechanical system involves securing critical components, distributing loads effectively, and maintaining structural integrity under varying operational conditions ¹.

Purpose and Role in Truck Operation

In the context of heavy-duty trucks, the 3916073 Hexagon Flange Head Cap Screw serves a specific purpose by securing components that are subject to significant stress and vibration. This screw ensures that parts remain firmly in place, which is vital for the safe and efficient operation of the truck. By providing a secure fastening solution, it contributes to the overall reliability and performance of the vehicle ².

Key Features

The primary characteristics of the Hexagon Flange Head Cap Screw include its hexagonal head design, which allows for easy and secure tightening using standard tools. The flange feature enhances the screw’s stability by providing a larger contact area, which helps prevent loosening due to vibration. Additionally, the cap screw functionality ensures that the screw can penetrate and secure components effectively, contributing to its performance and reliability in demanding applications.

Benefits

The Hexagon Flange Head Cap Screw offers several advantages, including enhanced fastening security, resistance to loosening, and improved load distribution. These benefits translate to better truck performance and longevity, as the screw ensures that critical components remain securely fastened under various operational conditions. The high-strength material used in its construction also contributes to its durability and reliability ³.

Installation and Usage Guidelines

Proper installation of the Hexagon Flange Head Cap Screw involves using the appropriate tools to ensure that the screw is tightened to the manufacturer’s specified torque settings. This practice helps achieve optimal performance and longevity. It is also important to inspect the screw and the surrounding components regularly to ensure that they remain in good condition and are securely fastened ⁴.

Troubleshooting and Maintenance

Common issues related to the Hexagon Flange Head Cap Screw may include loosening or corrosion. To address these issues, regular inspections should be conducted to identify any signs of wear or damage. If loosening is detected, the screw should be re-tightened to the specified torque settings. In cases of corrosion, the affected area should be cleaned, and the screw may need to be replaced to ensure continued reliability.

Cummins: Manufacturer Overview

Cummins Inc. is a well-established company with a strong reputation in the automotive industry. Founded in 1919, Cummins has a long history of providing high-quality components and systems for engines and power generation. The company is known for its commitment to innovation, quality, and customer satisfaction. As a trusted provider of automotive components, Cummins continues to deliver reliable and durable products, including the Hexagon Flange Head Cap Screw, to meet the demands of heavy-duty truck applications.

Hexagon Flange Head Cap Screw 3916073 in Cummins Engines

The Hexagon Flange Head Cap Screw 3916073, manufactured by Cummins, is a critical component used across a variety of Cummins engine models. This part is designed to secure various engine components, ensuring stability and integrity during operation. Here’s a breakdown of its application across different Cummins engines:

4B3.9, 6B5.9, 6C8.3, B3.9 G, B5.9 G, B5.9 GAS PLUS CM556, C GAS PLUS CM556, C8.3 G, G5.9, G5.9 CM558, G8.3, G8.3 CM558, GTA8.3 CM558

These engines, which include both gas and diesel variants, utilize the 3916073 screw for fastening various components. The screw’s design allows it to provide a secure hold, essential for maintaining the structural integrity of the engine under high operational stresses.

ISB CM550, ISC CM2150, ISC CM554, ISC CM850, ISL CM2150, ISL CM554, ISL G CM2180, ISL9 CM2150 SN, ISL9.5 CM2880 L138, ISM CM570/870, ISX CM870, L GAS PLUS CM556

In these more advanced and higher-output engines, the 3916073 screw is used in several critical applications. Its robust design ensures that it can withstand the higher torque and pressure conditions prevalent in these engines. The screw’s flange head provides a larger surface area for better torque distribution, which is crucial for maintaining the alignment and stability of engine parts.

The use of the 3916073 screw across these engines highlights its versatility and importance in Cummins’ engine lineup. Whether in smaller, more compact engines or larger, high-output models, this part plays a vital role in ensuring the engine’s reliability and performance.

Role of Part 3916073 Hexagon Flange Head Cap Screw in Engine Systems

The part 3916073 Hexagon Flange Head Cap Screw is instrumental in securing various components within engine systems, ensuring stability and proper function. Here’s how it integrates with different engine components:

Aftercooler

In aftercooler systems, the Hexagon Flange Head Cap Screw is used to fasten the aftercooler to its mounting brackets. This secure attachment ensures that the aftercooler remains stable during operation, allowing for efficient cooling of the compressed air from the turbocharger.

Alternator Location and Support Kit

For the alternator, this screw plays a significant role in the alternator support kit. It is employed to mount the alternator securely to the engine block or bracket, ensuring that the alternator remains in place and functions correctly to generate electricity for the vehicle’s electrical system.

Turbocharger and Cooler

Within the turbocharger system, the Hexagon Flange Head Cap Screw is utilized to attach the turbocharger to its housing. Additionally, it secures the oil filter cooler, ensuring that the cooler remains firmly in position to maintain the integrity of the oil filtration process.

Engine Oil and Filter Systems

In engine oil systems, this screw is vital for attaching the oil filter to the engine block. It ensures a tight seal, preventing oil leaks and maintaining the efficiency of the oil filtration process. The full flow oil system also benefits from this secure attachment, ensuring uninterrupted oil flow to critical engine components.

Front Gear and Rocker Lever

The Hexagon Flange Head Cap Screw is employed in the front gear arrangement to secure gears in place, ensuring smooth transmission of power. Similarly, in the rocker lever system, it fastens the rocker arms to the engine block, allowing for precise valve operation.

Long Block and Engine Control Modules

In the long block assembly, this screw is used to secure various components, ensuring the structural integrity of the engine. For engine control modules and their interfaces, it provides a stable attachment, ensuring that the modules remain securely in place for accurate engine management.

Intake Connection and Timing Pin Housing

The screw is also crucial in the intake connection, securing the intake manifold to the engine block. In timing pin housing, it ensures that the timing pins are held firmly in place, maintaining the engine’s timing accuracy.

Mounting Brackets

Finally, the Hexagon Flange Head Cap Screw is widely used in various mounting brackets throughout the engine system. Whether it’s for the alternator, intake connections, or other components, this screw ensures that all parts are securely fastened, contributing to the overall reliability and performance of the engine.

Conclusion

The 3916073 Hexagon Flange Head Cap Screw is a critical component in Cummins engines, providing secure fastening and stability across a variety of engine systems. Its robust design and high-strength material ensure durability and reliability, contributing to the overall performance and longevity of heavy-duty trucks.

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