3902093
Socket Head Cap Screw
Cummins®

The 3902093 Socket Head Cap Screw, manufactured by Cummins, is a specialized fastener designed for use in heavy-duty truck components. Cummins, a well-established name in the automotive and heavy-duty truck industry, produces this screw to meet the demanding requirements of truck operations. This part is integral to ensuring the reliability and efficiency of truck assemblies.

Basic Concepts of Socket Head Cap Screws

A Socket Head Cap Screw is a type of fastener characterized by a hexagonal socket in the head, allowing for easy installation and removal using a hex key. These screws are commonly used in mechanical assemblies where high strength and precision are required. They function by securely joining components together, providing a robust and durable connection that can withstand significant stress and vibration ¹.

Purpose of the 3902093 Socket Head Cap Screw in Truck Operations

The 3902093 Socket Head Cap Screw plays a specific role in the operation and maintenance of heavy-duty trucks. It is utilized in various truck assemblies where secure fastening is crucial. This includes applications in engine components, transmission systems, and chassis parts. The screw ensures that critical components remain firmly attached, contributing to the overall stability and performance of the truck ².

Key Features

The 3902093 Socket Head Cap Screw boasts several key features that enhance its performance and durability. It is made from high-quality materials, typically alloy steel, which provides excellent strength and resistance to wear. The screw’s design includes a precise hexagonal socket that allows for easy and accurate installation. Additionally, it features a cap head that distributes pressure evenly across the fastened surface, reducing the risk of damage ³.

Benefits

Using the 3902093 Socket Head Cap Screw offers several benefits. Its high-strength material composition ensures improved fastening strength, making it suitable for applications that experience significant stress. The hexagonal socket design allows for ease of installation, reducing the time and effort required during assembly. Furthermore, the screw’s resistance to wear and corrosion enhances its longevity, making it a reliable choice for heavy-duty truck applications.

Installation and Usage

Proper installation of the 3902093 Socket Head Cap Screw is crucial to ensure its effectiveness. It is recommended to use a hex key that matches the socket size to avoid damage. Torque specifications should be followed to achieve the correct fastening tension without over-tightening, which could lead to component damage. Using the appropriate tools and adhering to torque guidelines will ensure a secure and durable connection.

Troubleshooting and Maintenance

Common issues with Socket Head Cap Screws include loosening due to vibration and corrosion. Regular inspection and maintenance can help identify signs of wear or failure early. If a screw shows signs of corrosion, it should be replaced to prevent further damage. Ensuring that all screws are properly torqued during installation can also help maintain their integrity over time.

Cummins: Manufacturer 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 has established a strong reputation in the automotive and heavy-duty truck industry. The company offers a wide range of products designed to meet the needs of various applications, emphasizing quality, reliability, and innovation.

Socket Head Cap Screw 3902093 in Cummins Engines

The Socket Head Cap Screw 3902093, manufactured by Cummins, is a critical component used across a variety of Cummins engine models. This part is integral to the assembly and maintenance of these engines, ensuring secure fastening and stability.

B5.6 and B6.7 Series

The B5.6 CM2670 B152B and B6.7 CM2670 B153B engines utilize the 3902093 screw for various applications. These screws are typically employed in securing engine components, such as cylinder heads, intake manifolds, and other critical assemblies, ensuring that these parts remain tightly fastened under operational stresses.

ISB Series

The ISB CM850, ISB5.9 CM2880 B110, ISB5.9 CM2880 B140, and ISB5.9 CM2880 B149 engines also incorporate the 3902093 screw. In these engines, the screw is used to fasten various engine components, including the engine block, cylinder heads, and other structural parts, ensuring the engine’s integrity and performance.

ISBE and ISBE4 Series

The ISBE CM2150 and ISBE4 CM850 engines use the 3902093 screw for securing components such as the engine block, cylinder heads, and other critical assemblies. This screw is essential for maintaining the structural integrity of these engines.

ISX15 Series

The ISX15 CM2250, ISX15 CM2250 SN, and ISX15 CM2350 X101 engines utilize the 3902093 screw for fastening various components, including the engine block, cylinder heads, and other structural parts. This screw is crucial for ensuring the engine’s performance and durability.

L10 Series

The L10 CELECT engine employs the 3902093 screw for securing components such as the engine block, cylinder heads, and other critical assemblies.

QSB5.9 and QSX15 Series

The QSB5.9 CM850 and QSX15 CM2250 ECF, QSX15 CM2350 X105 engines use the 3902093 screw for fastening various components, including the engine block, cylinder heads, and other structural parts.

X15 Series

The X15 CM2350 X116B, X15 CM2350 X123B, and X15 CM2450 X134B engines incorporate the 3902093 screw for securing components such as the engine block, cylinder heads, and other critical assemblies. This screw is essential for maintaining the engine’s structural integrity and performance.

Role of Part 3902093 Socket Head Cap Screw in Engine Systems

The part 3902093 Socket Head Cap Screw is integral to the assembly and operation of various engine components. It is commonly used to secure and maintain the integrity of connections within the engine system.

In the breather system, this screw ensures that the breather components are tightly fastened, allowing for proper ventilation of the crankcase while preventing any unwanted leaks.

Within the crankcase, the Socket Head Cap Screw is utilized to secure various covers and plates, ensuring that the internal components are protected and the crankcase remains sealed.

For the engine brake valve, this screw plays a role in attaching the valve to the engine, ensuring that it operates efficiently by providing a stable and secure mounting point.

In the fan assembly, the screw is used to attach the fan to the engine, ensuring that it is properly aligned and can operate without wobbling, which is essential for effective cooling of the engine.

The engine itself relies on this screw for securing various brackets, sensors, and other auxiliary components, ensuring that they remain in place and function correctly under operating conditions.

In the harness and electronic control module (ECM) wiring, the Socket Head Cap Screw is used to secure wiring looms and connectors, preventing any movement that could lead to electrical issues.

The lever and rocker mechanisms within the engine system also benefit from this screw, as it ensures that these components are firmly attached, allowing for precise and reliable operation.

In the module and engine control systems, the screw is essential for securing control units and sensors, ensuring that they are correctly positioned and can communicate effectively with other engine components.

Finally, in the rocker lever assembly, the Socket Head Cap Screw is used to secure the rocker arms to the engine, ensuring that they can operate smoothly and efficiently, contributing to the overall performance of the engine.

Conclusion

The 3902093 Socket Head Cap Screw is a vital component in the assembly and maintenance of heavy-duty truck engines. Its high-strength material, precise design, and ease of installation make it an essential part for ensuring the reliability and performance of truck assemblies. Proper installation and maintenance of this screw are crucial to prevent issues such as loosening and corrosion, ensuring the longevity and efficiency of the engine systems it supports.