3923216
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by Part #3923216, is a specialized fastener produced by Cummins, a renowned manufacturer in the automotive and heavy-duty truck industry. This screw is integral to the assembly and maintenance of commercial trucks, ensuring the secure fastening of various components. Cummins is recognized for its commitment to quality and innovation, making this screw a reliable choice for truck operators and maintenance professionals.

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 softer materials. Within mechanical systems, these screws play a role in securing components, ensuring structural integrity and proper function.

Purpose and Role in Truck Operation

This Cummins part is utilized in various applications within commercial trucks. It is commonly employed in the fastening of engine components, chassis parts, and other critical assemblies. By providing a secure and stable connection, this screw contributes to the overall reliability and performance of the truck. Its design ensures that components remain firmly in place, even under significant stress and vibration.

Key Features

This part boasts several key features that enhance its functionality and durability. Its hexagonal head design allows for easy and precise tightening using common tools. The flange at the base of the screw provides additional stability and load distribution, reducing the risk of the screw pulling through the material. Additionally, the screw is crafted from high-quality materials, ensuring resistance to corrosion and wear, which is vital in the demanding environment of commercial trucking.

Benefits

Using this Cummins part offers several advantages. Its durable construction and high-quality materials contribute to longevity and reliability. The flange design reduces the likelihood of the screw loosening over time, even in applications subject to vibration. Furthermore, the hexagonal head allows for straightforward installation and removal, facilitating maintenance and repair processes.

Installation Process

Proper installation of this part is crucial for optimal performance. Begin by ensuring the mating surfaces are clean and free of debris. Use a torque wrench to apply the appropriate amount of torque, as specified by the manufacturer, to avoid over-tightening or under-tightening. It is also important to periodically check the screw for signs of loosening or wear, especially in high-stress applications.

Common Applications

This part is versatile and finds applications in various parts of commercial trucks. It is commonly used in engine assemblies, chassis components, and other critical fastening points. Its design makes it suitable for applications where a secure and stable connection is required, highlighting its importance in maintaining the structural integrity of the truck.

Troubleshooting and Maintenance

Regular inspection and maintenance of this Cummins part can help identify potential issues before they become problematic. Look for signs of corrosion, wear, or loosening. If any issues are detected, the screw should be replaced or tightened as necessary. Additionally, ensuring that all mating surfaces remain clean and free of debris can help prolong the lifespan of the screw.

Safety Considerations

When working with this part, it is important to follow safety guidelines to protect both personnel and equipment. Use the appropriate tools and techniques to install and remove the screw, and ensure that all safety protocols are followed during maintenance procedures. Additionally, be mindful of the torque specifications provided by the manufacturer to avoid damaging the screw or the components it secures.

Cummins Overview

Cummins is a leading manufacturer in the automotive and heavy-duty truck industry, known for its commitment to quality and innovation. With a rich history of producing reliable and high-performance components, Cummins has established a strong reputation among truck operators and maintenance professionals. The company’s dedication to excellence is evident in its product line, including the 3923216 Hexagon Flange Head Cap Screw.

Hexagon Flange Head Cap Screw 3923216 in Cummins Engines

The Hexagon Flange Head Cap Screw part number 3923216, manufactured by Cummins, is a critical component in various Cummins engine models. This screw is designed to provide robust fastening in applications where high strength and durability are essential. Below is a detailed look at how this part integrates with specific Cummins engines.

ISB Series Engines

The ISB series engines, including the ISB CM550, ISB6.7 G CM2180 B118, and QSB5.9 44 CM550, utilize the 3923216 screw in several key areas. These engines are known for their reliability and performance, and the screw’s role is to ensure that components remain securely fastened under high operational stresses.

• ISB CM550: This engine benefits from the screw in securing various engine mounts and brackets, ensuring the engine remains stable during operation.
• ISB6.7 G CM2180 B118: In this model, the screw is used to fasten critical components such as the turbocharger and exhaust manifold, maintaining structural integrity.
• QSB5.9 44 CM550: Here, the screw is employed in securing the engine block and other heavy-duty components, providing the necessary strength to withstand the engine’s operational demands.

ISC Series Engines

The ISC series engines, including the ISC CM554 and ISC CM850, also incorporate the 3923216 screw in their design. These engines are typically used in heavy-duty applications, and the screw’s role is to ensure that all parts are tightly secured.

• ISC CM554: The screw is used in fastening the engine block and other heavy-duty components, ensuring that the engine can handle high loads.
• ISC CM850: This engine model uses the screw in securing various engine mounts and brackets, providing the necessary stability and strength.

ISL Series Engines

The ISL series engines, including the ISL CM554 and ISL9 CM2150 SN, also benefit from the use of the 3923216 screw. These engines are designed for heavy-duty applications and require robust fastening solutions.

• ISL CM554: The screw is used in securing the engine block and other heavy-duty components, ensuring that the engine can handle high loads.
• ISL9 CM2150 SN: This model uses the screw in fastening various engine mounts and brackets, providing the necessary stability and strength.

Other Cummins Engines

The L8.9G CMOH2.0 L125B and QSC8.3 CM850 (CM2850) engines also utilize the 3923216 screw in their design. These engines are used in various heavy-duty applications, and the screw’s role is to ensure that all parts are tightly secured.

• L8.9G CMOH2.0 L125B: The screw is used in securing the engine block and other heavy-duty components, ensuring that the engine can handle high loads.
• QSC8.3 CM850 (CM2850): This engine model uses the screw in fastening various engine mounts and brackets, providing the necessary stability and strength.

The 3923216 Hexagon Flange Head Cap Screw is a versatile and essential component in Cummins engines, ensuring that all parts are securely fastened and the engine operates efficiently and reliably.

Role of Part 3923216 Hexagon Flange Head Cap Screw in Engine Systems

This part is integral in securing various components within engine systems, ensuring stability and proper function.

Breather and Crankcase

In the breather system, this screw is utilized to fasten the breather cover to the crankcase. This secure attachment is essential for maintaining the integrity of the breather system, which is responsible for venting pressure and contaminants from the crankcase. A stable connection ensures efficient operation and prevents oil leaks.

Connection and Air Intake

Within the air intake system, the Hexagon Flange Head Cap Screw is employed to connect the air intake module to the engine. This secures the module in place, allowing for a consistent airflow into the engine, which is vital for combustion efficiency and overall engine performance.

Cooler and Marine Gear Oil

For systems involving coolers and marine gear oil, the screw is used to attach the cooler to the oil system. This ensures that the cooler remains firmly in place, facilitating the efficient cooling of the gear oil. Proper cooling is necessary to maintain the viscosity and performance of the oil, thereby protecting the gear components from excessive wear.

Cover and Front Gear

In applications where a cover is used over the front gear, the Hexagon Flange Head Cap Screw plays a role in securing the cover. This not only protects the front gear from external elements but also ensures that the gear operates within a controlled environment, enhancing durability and performance.

Module and Engine Control

The screw is also pivotal in fastening various modules, such as the engine control module (ECM) and fuel control module, to their respective mounting points. Secure attachment of these modules is essential for reliable signal transmission and control over engine functions, ensuring optimal performance and efficiency.

Conclusion

Overall, the 3923216 Hexagon Flange Head Cap Screw is a versatile fastener that contributes to the structural integrity and functional reliability of multiple engine components. Its role in securing breathers, crankcases, air intake modules, coolers, covers, and control modules underscores its importance in maintaining the overall performance and longevity of engine systems.

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