3920370
Studded Flange Cap Screw
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$11.95 $14.22

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

Commercial truck parts are the backbone of the trucking industry, ensuring that vehicles operate efficiently and reliably. Among these critical components is the 3920370 Studded Flange Cap Screw by Cummins, a part that plays a vital role in the functionality and longevity of truck engines. Understanding its role, maintenance, and proper usage is essential for maintaining optimal engine performance.

Basic Concepts Related to Studded Flange Cap Screws

Studded flange cap screws are specialized fasteners designed to secure flanges, which are flat, disc-shaped components used to cover openings or connect sections of pipes or other equipment. The studded design of these screws provides enhanced stability and resistance to vibration, making them ideal for heavy-duty applications. Typically manufactured from high-strength materials such as alloy steel, these screws are engineered to withstand significant stress and pressure. In heavy-duty vehicles, studded flange cap screws are commonly used to secure critical engine components, ensuring tight seals and preventing leaks 1.

Purpose of the 3920370 Studded Flange Cap Screw

The 3920370 Studded Flange Cap Screw by Cummins is specifically designed to enhance the structural integrity and functionality of truck engines. This screw plays a crucial role in securing flanges that connect various engine components, such as fuel injectors, turbochargers, and exhaust manifolds. By providing a secure and vibration-resistant connection, the 3920370 screw helps maintain the engine’s efficiency and longevity. Proper installation and usage of this screw are paramount to ensuring that the engine operates at peak performance and remains reliable over time 2.

Role in the Operation of a Truck

In the operation of a commercial truck, the 3920370 Studded Flange Cap Screw is integral to the engine’s overall performance. It secures critical components, ensuring that connections remain tight and leak-free, which is essential for maintaining engine efficiency. The screw’s design helps prevent vibrations from loosening the connections, which could lead to leaks or component failure. By securing these critical components, the 3920370 screw contributes to the engine’s longevity and reliability, ensuring that the truck can operate under demanding conditions without unexpected downtime 3.

Troubleshooting and Maintenance

Common issues with the 3920370 Studded Flange Cap Screw may include loosening due to vibration, corrosion, or damage from improper installation. Symptoms of potential problems include leaks, reduced engine performance, or unusual noises from the engine. To troubleshoot these issues, it is essential to conduct regular inspections of the screws and flanges. If a screw appears loose or damaged, it should be tightened or replaced immediately. Maintenance tips for ensuring the longevity and optimal performance of these screws include using the correct torque specifications during installation, applying an appropriate thread locker, and conducting routine inspections for signs of wear or corrosion. Recommended practices for inspection and replacement involve following the manufacturer’s guidelines and using genuine Cummins parts to ensure compatibility and reliability.

Cummins: A Leader in Commercial Truck Parts

Cummins is a renowned company with a strong reputation in the commercial truck parts industry. With a history of innovation and expertise, Cummins has established itself as a leader in manufacturing high-quality truck components. Their commitment to reliability and performance is evident in their product offerings, including the 3920370 Studded Flange Cap Screw. Cummins’ dedication to excellence ensures that their parts meet the rigorous demands of heavy-duty applications, providing engineers and mechanics with the confidence that they are using top-tier components.

Expert Insights and Best Practices

Industry experts emphasize the importance of using genuine Cummins parts to ensure the best performance and reliability. Best practices for the installation and maintenance of studded flange cap screws include following the manufacturer’s torque specifications, using the appropriate thread locker, and conducting regular inspections. Case studies and examples of successful implementation and maintenance highlight the benefits of adhering to these best practices, demonstrating improved engine performance and longevity.

Conclusion

In conclusion, the 3920370 Studded Flange Cap Screw by Cummins is a critical component in the operation and maintenance of truck engines. Understanding its role, proper installation, and maintenance is essential for ensuring optimal engine performance and reliability. By using genuine Cummins parts and following best practices, engineers and mechanics can contribute to the longevity and efficiency of commercial trucks, ultimately enhancing the overall performance of the fleet.

Application of the 3920370 Studded Flange Cap Screw in Cummins Engines

The 3920370 Studded Flange Cap Screw is a critical component in several Cummins engine models. This part is integral to the assembly and operation of these engines, ensuring secure connections and maintaining structural integrity.

Application in Specific Engine Models

  • 6B5.9 and QSB5.9 44 CM550

    The Studded Flange Cap Screw is utilized in the 6B5.9 and QSB5.9 44 CM550 engines for securing flanges and other components. Its studded design provides enhanced grip and stability, which is essential for the high-stress environments these engines operate in.

  • ISB CM550

    In the ISB CM550 engine, the Studded Flange Cap Screw plays a vital role in maintaining the structural integrity of various engine components. Its robust construction ensures that connections remain tight and secure, even under extreme conditions.

Importance of the Studded Flange Cap Screw

The studded design of the flange cap screw is particularly beneficial in engines like the 6B5.9 and QSB5.9 44 CM550, where vibrations and high torque are common. The studs provide additional support, reducing the risk of loosening over time and ensuring that the engine operates smoothly and efficiently.

In the ISB CM550 engine, the Studded Flange Cap Screw is equally important. Its use in securing critical engine components helps maintain the overall performance and longevity of the engine, making it a key part in the engine’s design and operation.

Role of the 3920370 Studded Flange Cap Screw in Engine Systems

The 3920370 studded flange cap screw is integral to the assembly and functionality of various engine components. Its primary role is to secure and maintain the integrity of connections within the engine system.

Cover Assembly

In the cover assembly, the 3920370 screw ensures that the cover remains firmly attached to the engine housing. This secure attachment is essential for protecting internal components from external contaminants and ensuring that the engine operates within specified parameters.

Front Gear Connection

When connecting the front gear to the engine, the 3920370 screw provides the necessary tension and stability. This connection is vital for the smooth operation of the gear, which in turn affects the overall performance and efficiency of the engine.

Plumbing Integration

In plumbing systems associated with the engine, the 3920370 screw is used to connect various pipes and fittings. Its robust design ensures that these connections remain leak-free, which is essential for maintaining the engine’s fluid dynamics and preventing potential damage from fluid leaks.

Fuel Drain Mechanism

For the fuel drain system, the 3920370 screw plays a key role in securing the drain valve and associated components. This ensures that the fuel can be efficiently drained when necessary, contributing to the maintenance and safety of the engine.

Sensor Mounting

Sensors require precise mounting to accurately monitor engine parameters. The 3920370 screw is employed to secure these sensors in place, ensuring they are correctly aligned and can provide reliable data for engine management systems.

Speed Control Components

In speed control mechanisms, the 3920370 screw is used to attach components that regulate the engine’s rotational speed. This secure attachment is essential for maintaining consistent engine performance and responsiveness.

Overall, the 3920370 studded flange cap screw is a versatile component that enhances the reliability and performance of various engine systems by ensuring secure and stable connections.


  1. Reif, Konrad Ed. Diesel Engine Management Systems and Components. Springer Vieweg, 2014.

  2. Crolla, David. Crolla Encyclopedia. Wiley, 2015.

  3. Reif, Konrad. Automotive Mechatronics. Springer Vieweg, 2015.

SPECIFICATIONS

Comments
M8 x 1.25 x 16.
Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
3.3 x 1.7 x 1.7 in
Weight
0.45 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.