4953096
Studded Captive Washer Screw
Cummins®

The Studded Captive Washer Screw, identified by Part #4953096, is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This screw plays a role in the mechanical systems of heavy-duty trucks, contributing to the overall reliability and performance of these vehicles.

Basic Concepts

A Studded Captive Washer Screw is a type of fastener that includes a threaded stud, a captive washer, and a screw. The threaded stud provides a secure anchor point, while the captive washer ensures even distribution of pressure and prevents damage to the fastened material. In a truck’s mechanical system, this screw is used to secure various components, ensuring they remain in place under the demanding conditions heavy-duty trucks often encounter.

Purpose and Role

This Cummins part serves to secure components within a truck’s mechanical system, playing a role in maintaining structural integrity. By providing a strong and reliable fastening solution, it helps ensure that parts remain securely attached, even under significant stress or vibration. This is particularly important in heavy-duty trucks, where components are subjected to harsh operating conditions.

Key Features

The 4953096 Studded Captive Washer Screw is designed with several key features that enhance its performance. Its construction includes a high-strength material composition, ensuring durability under demanding conditions. The captive washer is integrated into the design, offering convenience during installation and maintenance. Additionally, the screw’s threading is precision-engineered to provide a secure fit and resist loosening over time.

Benefits

Utilizing the 4953096 Studded Captive Washer Screw offers several benefits. Its robust design contributes to improved durability, ensuring long-lasting performance in heavy-duty applications. The captive washer feature enhances fastening capabilities by distributing pressure evenly and protecting the fastened material. Over time, the reliability and durability of this screw can lead to potential cost savings by reducing the need for frequent replacements or repairs.

Installation Process

Proper installation of this part is crucial for ensuring its effectiveness. Begin by selecting the appropriate location for the screw, ensuring it aligns with the component it will secure. Use a torque wrench to tighten the screw to the manufacturer’s specified torque settings, avoiding over-tightening which can damage the screw or the fastened material. It’s also important to inspect the screw and washer for any defects before installation to ensure optimal performance.

Maintenance Tips

To ensure the 4953096 Studded Captive Washer Screw maintains optimal performance and longevity, regular inspections are recommended. Check for signs of wear, corrosion, or loosening, and address any issues promptly. In environments where corrosion is a concern, applying a compatible anti-corrosion treatment can help protect the screw. Replacement guidelines should be followed if the screw shows significant wear or damage, ensuring the continued reliability of the fastening solution.

Troubleshooting Common Issues

Common issues associated with the 4953096 Studded Captive Washer Screw include loosening and corrosion. If loosening is detected, re-tighten the screw to the manufacturer’s specified torque settings. For corrosion, cleaning the affected area and applying an anti-corrosion treatment can help mitigate further damage. In cases where the screw or washer is damaged, replacement is recommended to maintain the integrity of the fastening solution.

Cummins 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 reputation for quality, reliability, and innovation in the automotive industry. Their product offerings extend beyond engines to include a wide range of components and systems designed to enhance the performance and efficiency of vehicles, including heavy-duty trucks.

Studded Captive Washer Screw (Part 4953096) in Cummins Engines

The Studded Captive Washer Screw, part number 4953096, is a component in several Cummins engine models. This part is integral to the assembly and maintenance of these engines, ensuring secure fastening and stability. Here is a detailed look at the engines where this part is utilized:

ISM CM876 and QSM11 CM876

The Studded Captive Washer Screw is used in both the ISM CM876 and QSM11 CM876 engines. These engines are part of Cummins’ lineup of medium-duty diesel engines, known for their reliability and performance in various applications, including commercial vehicles and industrial machinery. The screw plays a role in maintaining the structural integrity of these engines by securing various components together.

ISZ13 CM2150 Z105, QSZ13 CM2150 Z101, and QSZ13 CM2150 Z102

These engines, ISZ13 CM2150 Z105, QSZ13 CM2150 Z101, and QSZ13 CM2150 Z102, are part of Cummins’ heavy-duty diesel engine series. These engines are designed for high-performance applications, such as heavy-duty trucks and construction equipment. The Studded Captive Washer Screw is used in these engines for ensuring that the components are tightly fastened, which is important for the engines’ durability and efficiency under heavy loads.

Z13 Z108G

The Z13 Z108G engine is another Cummins engine that utilizes the Studded Captive Washer Screw. This engine is typically used in specialized applications where high power and reliability are paramount. The screw’s role in this engine is to provide a secure fastening mechanism that can withstand the rigors of demanding operational environments.

In summary, the Studded Captive Washer Screw is a component across various Cummins engine models, ensuring the secure assembly and reliable operation of these engines in different applications.

Role of Part 4953096 Studded Captive Washer Screw in Engine Systems

The 4953096 studded captive washer screw is a component in the assembly and operation of various engine systems. Its primary function is to secure and maintain the integrity of connections within these systems, ensuring optimal performance and reliability.

Turbocharger Arrangement

In turbocharger setups, the 4953096 screw is often used to fasten the turbocharger to the engine block or exhaust manifold. This secure attachment is vital for withstanding the high pressures and temperatures generated during operation. The studded design allows for a robust connection, minimizing the risk of loosening over time, which could lead to performance issues or even failure.

Fuel System Components

Within the fuel system, the 4953096 screw plays a role in securing fuel injectors, fuel rails, and other critical components. Its captive washer feature ensures that the screw remains in place, preventing it from backing out and causing fuel leaks. This is particularly important in high-pressure fuel systems where any leakage can result in significant performance degradation or safety hazards.

Filter Assemblies

In filter assemblies, such as oil filters or air filters, the 4953096 screw is used to secure the filter housing to the engine. This ensures a tight seal, preventing contaminants from bypassing the filter and entering the engine. The studded captive washer design enhances the sealing capability, contributing to the overall efficiency and longevity of the filtration system.

General Engine Component Integration

Across various engine components, the 4953096 screw is utilized to secure brackets, sensors, and other accessories. Its design ensures a strong, vibration-resistant connection, which is essential in the dynamic environment of an operating engine. This reliability helps maintain the precise alignment and functionality of these components, contributing to the engine’s overall performance and durability.

Conclusion

The Studded Captive Washer Screw, part number 4953096, is a critical component in the maintenance and operation of heavy-duty truck engines. Its robust design, featuring a high-strength material composition and a captive washer, ensures secure fastening and stability under demanding conditions. Proper installation and maintenance of this screw are essential for ensuring the longevity and reliability of engine components. By understanding the role and benefits of this part, technicians and engineers can better maintain and optimize the performance of heavy-duty engines.