4944979
Socket Head Cap Screw
Cummins®

The 4944979 Socket Head Cap Screw is a component manufactured by Cummins, a well-established name in the commercial trucking industry. This screw is designed for use in commercial trucks, where it contributes to the secure assembly of various parts. Cummins is renowned for its quality and reliability in producing components that meet the demanding requirements of heavy-duty applications ¹.

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 it to be driven using a hex key. These screws are commonly used in mechanical applications due to their strength and the secure fit they provide. Within an assembly, they play a role in joining components together, ensuring structural integrity and proper function ².

Purpose of the 4944979 Socket Head Cap Screw in Trucks

In commercial trucks, the 4944979 Socket Head Cap Screw serves a specific function in the operation and maintenance of the vehicle. It is utilized in areas where secure fastening is required, such as within the truck’s structure or engine components. Its role is to provide a reliable connection that can withstand the vibrations and stresses encountered in heavy-duty trucking environments ³.

Key Features

The 4944979 Socket Head Cap Screw boasts several key features that enhance its performance and durability. It is composed of materials that offer high tensile strength and resistance to wear. The screw features a specific thread type that ensures a tight and secure fit, while its head design allows for efficient torque application using a hex key. Additionally, any unique attributes, such as coatings or treatments, contribute to its resistance against corrosion and other environmental factors ⁴.

Benefits

Using the 4944979 Socket Head Cap Screw offers several advantages. It provides improved fastening strength, which is vital in the demanding conditions of commercial trucking. The design of the screw facilitates ease of installation, reducing the time required for assembly. Furthermore, its resistance to corrosion and durability ensure longevity, even in the harsh operating conditions typical of the industry ⁵.

Installation Considerations

Proper installation of the 4944979 Socket Head Cap Screw is important for optimal performance and safety. Guidelines recommend adhering to specific torque specifications to ensure the screw is tightened to the correct level without over-tightening, which could lead to damage. The use of recommended tools, such as a torque wrench and hex key, is advised to achieve the desired torque and ensure the screw is properly seated. Precautions should be taken to avoid cross-threading and to ensure the mating surfaces are clean and free of debris ⁶.

Troubleshooting and Maintenance

Socket Head Cap Screws, including the 4944979, may encounter issues such as loosening or corrosion over time. Regular inspections can help identify these problems early. Maintenance tips include checking for proper torque, ensuring the screw and surrounding components are free of corrosion, and replacing screws that show signs of wear or damage. These practices help prolong the lifespan of the screw and ensure continued reliable operation ⁷.

Cummins: Manufacturer Overview

Cummins Inc. has a long-standing history in the commercial trucking industry, known for its expertise in diesel engines and related components. The company’s reputation is built on a commitment to quality and innovation in manufacturing truck parts. Cummins’ extensive experience and dedication to producing reliable components make it a trusted name in the industry, with the 4944979 Socket Head Cap Screw being a testament to its engineering prowess and attention to detail ⁸.

Role of Part 4944979 Socket Head Cap Screw in Engine Systems

The 4944979 Socket Head Cap Screw is integral to the assembly and functionality of several key components within engine systems.

In the breather system, this screw is utilized to secure the breather housing to the engine block. This ensures that the breather system can effectively manage pressure within the crankcase, allowing for the safe release of gases and contaminants while preventing the ingress of external contaminants.

Within the crankcase, the 4944979 screw plays a role in attaching various components such as oil baffles and inspection covers. This secure attachment is essential for maintaining the integrity of the crankcase, ensuring that oil is properly contained and circulated, which is vital for engine lubrication and cooling.

In the context of the module, specifically the Engine Control Module (ECM), the 4944979 screw is used to mount the ECM to its bracket or the engine bay. This secure mounting is important for the stability of the ECM, protecting it from vibrations and ensuring consistent performance of the engine’s electronic controls.

Overall, the 4944979 Socket Head Cap Screw contributes to the reliable operation of these components by providing a strong, durable connection that can withstand the dynamic environment of an engine system ⁹.

Conclusion

The 4944979 Socket Head Cap Screw by Cummins is a vital component in the assembly and maintenance of commercial truck engines. Its design and material properties are tailored to withstand the demanding conditions of engine operation, providing a reliable connection that is essential for the longevity and performance of the engines. Proper installation and maintenance of this part are crucial for ensuring the optimal performance and safety of the vehicle.