5301918
Studded Flange Cap Screw
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$2.49 $2.96

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

The Studded Flange Cap Screw Part #5301918 by Cummins is a specialized fastener designed for heavy-duty truck applications. Cummins, a renowned manufacturer in the automotive industry, produces this component to meet the demanding requirements of truck mechanics and fleet operators. This screw plays a significant role in ensuring the secure attachment and reliable operation of various truck components.

Basic Concepts

A Studded Flange Cap Screw is a type of fastener that includes a threaded stud and a flanged head. The stud is designed to be inserted through holes in components, while the flange provides a broad surface area for distribution of clamping force. This design allows for secure fastening and efficient load distribution. In a truck’s mechanical system, these screws are used to connect and secure critical components, ensuring structural integrity and operational reliability 1.

Purpose and Role

The 5301918 Studded Flange Cap Screw serves to secure and maintain the integrity of various truck components. It is commonly used in applications where high clamping force and resistance to vibration are required. By providing a stable and durable connection, this screw helps to ensure that components remain securely fastened under the rigorous conditions experienced by heavy-duty trucks 2.

Key Features

The 5301918 Studded Flange Cap Screw features a robust design that includes a high-strength steel construction. Its flanged head allows for even distribution of clamping force, reducing the risk of component deformation. The screw is also coated to enhance corrosion resistance, ensuring durability in various operating environments. Additionally, the threaded stud is designed to provide a strong and reliable connection, capable of withstanding significant loads and vibrations 3.

Benefits

The use of the 5301918 Studded Flange Cap Screw offers several benefits. Its high-strength material and design contribute to improved reliability and safety by ensuring that critical components remain securely fastened. The corrosion-resistant coating extends the lifespan of the screw, potentially leading to cost savings for fleet operators by reducing the need for frequent replacements. Additionally, the efficient load distribution provided by the flanged head enhances the overall performance and durability of the connected components 4.

Installation and Usage

Proper installation of the 5301918 Studded Flange Cap Screw is crucial for optimal performance. It is recommended to follow the manufacturer’s torque specifications to ensure the correct clamping force is applied without over-tightening. Using the appropriate tools and techniques, such as a torque wrench, helps to achieve the desired tension. Regular inspection and maintenance are also important to ensure the screw remains in good condition and continues to perform effectively.

Troubleshooting and Maintenance

Common issues with the 5301918 Studded Flange Cap Screw may include loosening due to vibration or corrosion. Regular inspections can help identify these problems early. If loosening is detected, re-tightening to the specified torque is recommended. In cases of significant corrosion, replacement of the screw may be necessary to maintain safety and performance. Proper maintenance, including cleaning and applying protective coatings, can help prolong the lifespan of the screw and ensure continued reliable operation.

Safety Considerations

When working with the 5301918 Studded Flange Cap Screw, it is important to follow safety procedures to prevent accidents or injuries. This includes wearing appropriate personal protective equipment, such as gloves and safety glasses. Ensuring that the work area is clean and free of debris can also help prevent mishaps. Additionally, using the correct tools and following torque specifications are critical to avoid over-tightening, which can lead to component damage or failure.

Cummins Overview

Cummins is a well-established manufacturer with a strong reputation in the automotive industry. Founded in 1919, the company has a long history of innovation and quality in producing engine and powertrain components. Cummins is known for its commitment to developing reliable and high-performance products that meet the needs of various industries, including heavy-duty trucking. Their focus on quality, durability, and customer satisfaction has earned them a respected place in the market.

Studded Flange Cap Screw (Part 5301918) in Cummins Engines

The Studded Flange Cap Screw, identified by the part number 5301918, is a critical component in several Cummins engine models. This part is integral to the assembly and maintenance of these engines, ensuring secure connections and proper functioning.

Application in Cummins Engines

6C8.3, ISL9 CM2150 SN, ISL9.5 CM2880 L138, L8.9 CM2670 L134C, L9 CM2670 L128B, QSC8.3 CM2880 C102, QSL8.9 CM2150 L141, QSL9 CM850 (CM2850), QSL9.3 CM2880 L113

This studded flange cap screw is used across a range of Cummins engines, including the 6C8.3, ISL9 series, L8.9 series, and QSL series. The part’s design allows it to be utilized in various applications within these engines, such as securing flanges, brackets, and other components that require a robust and reliable fastening solution.

Grouping by Engine Series

  • ISL9 Series: The ISL9 CM2150 SN and ISL9.5 CM2880 L138 engines both utilize the 5301918 studded flange cap screw. This part is essential for maintaining the structural integrity of the engine’s components, ensuring that all parts remain securely fastened under operational stresses.

  • L8.9 Series: The L8.9 CM2670 L134C and L9 CM2670 L128B engines also incorporate this screw. Its use in these engines is critical for the proper assembly and maintenance of the engine’s various components, ensuring longevity and reliability.

  • QSC8.3 and QSL8.9 Series: The QSC8.3 CM2880 C102 and QSL8.9 CM2150 L141 engines benefit from the 5301918 studded flange cap screw. This part’s application in these engines is vital for maintaining the engine’s structural integrity and ensuring that all components are securely fastened.

  • QSL9 Series: The QSL9 CM850 (CM2850) and QSL9.3 CM2880 L113 engines also utilize this screw. Its use in these engines is crucial for the proper assembly and maintenance of the engine’s components, ensuring that all parts remain securely fastened under operational stresses.

The 5301918 studded flange cap screw’s versatility and reliability make it a key component in the maintenance and assembly of these Cummins engines. Its design ensures that it can withstand the rigors of engine operation, providing a secure and dependable fastening solution.

Role of Part 5301918 Studded Flange Cap Screw in Engine Systems

Fuel Filter Assembly

In the fuel filter assembly, the 5301918 studded flange cap screw is utilized to secure the filter housing. This ensures a tight seal, preventing fuel leaks and maintaining the integrity of the fuel system. The screw’s design allows for easy installation and removal, facilitating regular maintenance and filter replacements. Its robust construction withstands the pressures and vibrations inherent in engine operation, ensuring consistent performance over time.

Fuel Line Connections

At various fuel line connection points, the 5301918 studded flange cap screw plays a significant role in securing fittings and adapters. This part ensures that connections remain tight and secure, minimizing the risk of fuel leaks. The screw’s studded flange provides additional stability, resisting loosening due to engine vibrations. This reliability is essential for maintaining a consistent fuel supply to the engine, which is vital for optimal performance.

Fuel Pump Mounting

In fuel pump assemblies, the 5301918 studded flange cap screw is often used to mount the pump to the fuel tank or frame. This secure attachment is necessary to withstand the operational stresses and vibrations the fuel pump experiences. The screw ensures that the pump remains firmly in place, which is important for the pump’s efficiency and longevity. Proper mounting also aids in heat dissipation, contributing to the overall reliability of the fuel system.

Fuel Injector Securing

For fuel injectors, the 5301918 studded flange cap screw is employed to secure the injectors to the engine block or fuel rail. This ensures that the injectors are held in the correct position, allowing for precise fuel delivery. The screw’s design helps to maintain a seal around the injector, preventing fuel leaks and ensuring that the fuel system operates under the correct pressure. This precise securing is essential for the injectors to function correctly, contributing to engine performance and fuel efficiency.

Fuel Pressure Regulator Attachment

In fuel pressure regulator applications, the 5301918 studded flange cap screw is used to attach the regulator to the fuel rail or intake manifold. This secure attachment is necessary to maintain the regulator’s position and ensure it functions correctly. The screw helps to keep the regulator stable, allowing it to regulate fuel pressure accurately. This stability is important for maintaining consistent fuel pressure, which is crucial for engine performance and efficiency.

Fuel Tank Sender Unit Mounting

For fuel tank sender units, the 5301918 studded flange cap screw is utilized to mount the sender unit to the fuel tank. This secure attachment ensures that the sender unit remains in the correct position, providing accurate fuel level readings. The screw’s design helps to withstand the pressures and movements within the fuel tank, ensuring the sender unit operates reliably over time. Accurate fuel level readings are important for proper fuel management and preventing issues such as running out of fuel unexpectedly.

Conclusion

The 5301918 Studded Flange Cap Screw by Cummins is a vital component in heavy-duty truck applications, ensuring secure and reliable fastening of critical components. Its robust design, corrosion-resistant coating, and efficient load distribution contribute to the overall performance and durability of truck systems. Proper installation, regular maintenance, and adherence to safety procedures are essential for maximizing the benefits of this part. Cummins’ commitment to quality and innovation is evident in the design and functionality of the 5301918, making it a trusted choice for fleet operators and mechanics alike.


  1. Xin, Q. (2011). Diesel Engine System Design. Woodhead Publishing.

  2. Watson, B. (2011). Mobile Equipment Hydraulics A Systems and Troubleshooting Approach. Cengage Learning.

  3. Jazar, R. N. (2017). Vehicle Dynamics: Theory and Application. Springer.

  4. Van Gelder, K. T. (2018). Fundamentals of Automotive Technology Principles and Practice. Jones Bartlett Learning.

* 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.