3926125
Hexagon Head Cap Screw
Cummins®

The Cummins 3926125 Hexagon Head Cap Screw is a specialized fastener designed for use in commercial trucks. Manufactured by Cummins Inc., a leader in the automotive industry, this screw serves a vital role in the assembly and maintenance of various truck components. A Hexagon Head Cap Screw, in general, is a type of bolt characterized by its hexagonal head, which allows for efficient tightening and loosening using a wrench or socket. These screws are widely used in the automotive industry for their strength, reliability, and ease of use ¹.

Basic Concepts of Hexagon Head Cap Screws

Hexagon Head Cap Screws are designed with a hexagonal head that provides a larger contact area for tools, facilitating easier and more secure fastening. The threading on these screws is typically uniform and deep, allowing them to grip firmly within the material they are securing. The head design prevents the screw from spinning during installation, ensuring a tight and secure fit. Commonly constructed from materials like steel or stainless steel, these screws offer durability and resistance to wear and corrosion. In mechanical systems, they play a role in joining components together, ensuring structural integrity and functionality ².

Role of the 3926125 Hexagon Head Cap Screw in Truck Operation

The Cummins 3926125 Hexagon Head Cap Screw is specifically designed for applications in commercial trucks. It contributes to the assembly and maintenance of various truck components, including engine parts, chassis elements, and other critical systems. By providing a secure and reliable fastening solution, this screw helps maintain the structural integrity and operational efficiency of truck parts. Its design and material properties make it suitable for withstanding the rigors of heavy-duty use, ensuring long-lasting performance in demanding environments ³.

Key Features of the 3926125 Hexagon Head Cap Screw

The Cummins 3926125 Hexagon Head Cap Screw features a hexagonal head design that allows for efficient tightening and loosening. Its thread pitch is optimized for secure fastening, ensuring a strong grip within the material. Constructed from high-quality materials, this screw offers excellent durability and resistance to corrosion, making it ideal for heavy-duty applications. These features enhance its performance and reliability, providing a robust solution for truck maintenance and repair.

Benefits of Using Cummins 3926125 Hexagon Head Cap Screw

Using the Cummins 3926125 Hexagon Head Cap Screw in truck maintenance and repair offers several advantages. Its durability ensures long-lasting performance, reducing the need for frequent replacements. The screw’s resistance to corrosion makes it suitable for use in various environments, enhancing its reliability. Additionally, its design allows for easy installation, saving time and effort during maintenance procedures. These benefits contribute to the overall efficiency and safety of truck operations, ensuring that components remain securely fastened and functional.

Troubleshooting and Maintenance Suggestions

Common issues associated with Hexagon Head Cap Screws include loosening over time due to vibrations or inadequate torque during installation. To identify these issues, regularly inspect screws for signs of movement or damage. Maintenance practices to ensure the longevity and performance of the 3926125 screw include proper installation techniques and adhering to torque specifications. When installing, use the correct tools to achieve the recommended torque, ensuring a secure fit. Regularly check screws during maintenance intervals to ensure they remain tight and functional.

Cummins: A Brief Overview

Cummins Inc. is a renowned manufacturer in the automotive industry, known for its commitment to quality and innovation. Founded in 1919, the company has a long history of producing reliable and high-performance truck components. Cummins plays a significant role in enhancing the efficiency and reliability of commercial trucks through its advanced engineering and manufacturing processes. The company’s dedication to excellence ensures that its products, including the 3926125 Hexagon Head Cap Screw, meet the demanding requirements of heavy-duty applications.

Hexagon Head Cap Screw 3926125 in Cummins Engines

The Cummins part number 3926125, a Hexagon Head Cap Screw, is a critical component in the assembly and maintenance of various Cummins engine models. This screw is utilized across a range of engine types, ensuring secure fastening and stability in numerous applications.

ISX Series Engines

The ISX series engines, including the ISX12 CM2350 X102, ISX12/ISX11.9 CM2250, ISX15 CM2250, ISX15 CM2350 X101, QSX11.9 CM2250, QSX15 CM2250, QSX15 CM2250 ECF, and QSX15 CM2350 X105, all incorporate the 3926125 screw in their construction. This screw is essential for securing various engine components, ensuring that parts remain tightly fastened and aligned during operation.

QSK Series Engines

The QSK series engines, specifically the QSK50 CM2350 K108 and QSK60 G CM2358 K110, also utilize the 3926125 screw. In these engines, the screw is used in several critical areas, including the fastening of engine blocks and other structural components, ensuring the engine’s integrity and performance.

C Series Engines

The C series engines, which include the 6C8.3, C GAS PLUS CM556, C8.3 G, and G8.3, also incorporate the 3926125 screw. This screw is used in various applications within these engines, such as securing engine covers and other structural elements, ensuring that the engine operates smoothly and efficiently.

X Series Engines

The X series engines, including the X12 CM2350 X119B, X15 CM2350 X116B, and X15 CM2450 X134B, also feature the 3926125 screw. This screw is used in multiple applications within these engines, ensuring that components are securely fastened and properly aligned, contributing to the overall reliability and performance of the engine.

In summary, the Cummins part number 3926125, a Hexagon Head Cap Screw, is a versatile and essential component in the assembly and maintenance of a wide range of Cummins engine models. Its use across various engine series highlights its importance in ensuring the structural integrity and operational efficiency of these engines.

Role of Part 3926125 Hexagon Head Cap Screw in Engine Systems

The part 3926125 Hexagon Head Cap Screw is integral to the secure assembly and operation of various engine components. It is employed in fastening the Air Flow Metering Orifice, ensuring precise air measurement for optimal fuel-air mixture. In the Alternator Location, this screw is used to mount the alternator securely to the engine, facilitating efficient power generation and distribution.

Within the Arrangement of Exhaust Recirculation Air systems, the screw plays a part in attaching components that regulate the flow of exhaust gases back into the intake, reducing emissions. In the Cylinder Block, it is utilized for mounting various modules and sensors, contributing to the block’s structural integrity and functionality.

For the Fuel Control Module, the screw is essential in securing the module to the engine, ensuring stable and accurate fuel delivery. In the Mounting of the Alternator, it provides the necessary tension and stability, preventing vibrations that could lead to electrical issues.

In Pump assemblies, whether for fuel, water, or other fluids, the screw is used to fasten components, ensuring leak-proof and efficient operation. In Recirculation and Exhaust Systems, it secures valves and throttle bodies, maintaining the system’s efficiency and reliability.

Overall, the 3926125 Hexagon Head Cap Screw is a versatile fastener that enhances the performance and durability of engine systems by ensuring components are firmly and accurately positioned.

Conclusion

The Cummins 3926125 Hexagon Head Cap Screw is a critical component in the assembly and maintenance of commercial trucks and Cummins engines. Its robust design, durability, and resistance to corrosion make it an ideal choice for heavy-duty applications. By ensuring secure fastening and stability of various engine components, this screw contributes to the overall efficiency and reliability of truck operations. Regular maintenance and proper installation techniques are essential to maximize the performance and longevity of this Cummins part.