4350443
Hexagon Flange Nut
Cummins®

The Hexagon Flange Nut, identified by part number 4350443 and manufactured by Cummins, is a vital component in the realm of commercial trucks. Cummins, a renowned name in the automotive industry, is recognized for its commitment to quality and innovation. This particular nut is integral to the secure fastening of various truck components, ensuring the reliability and safety of the vehicle ¹.

Basic Concepts and Functionality

A Hexagon Flange Nut is a type of fastener characterized by its hexagonal shape and a flanged base. The hexagonal shape allows for efficient tightening and loosening using a wrench, while the flange provides additional surface area to distribute the load and prevent the nut from embedding into softer materials. In the context of truck mechanics, these nuts are used to secure critical components, ensuring they remain firmly in place under various operational conditions ².

Role in Truck Operation

The 4350443 Hexagon Flange Nut plays a significant role in the operation of a truck by securing various components such as engine mounts, exhaust systems, and chassis parts. Its application ensures that these components remain stable and do not loosen over time, which is crucial for the truck’s performance and safety. The nut’s design allows it to withstand the vibrations and stresses inherent in truck operations, maintaining the integrity of the fastened components ³.

Key Features

The 4350443 Hexagon Flange Nut boasts several key features that enhance its performance and durability. Its hexagonal shape facilitates easy and precise tightening with standard tools. The flange design provides additional surface area, which helps in distributing the load more evenly and prevents the nut from sinking into softer materials. Additionally, the nut is typically made from high-strength materials, ensuring it can withstand the rigors of commercial truck use. Unique attributes such as corrosion resistance and a precise thread design further contribute to its reliability.

Benefits

The benefits of using the 4350443 Hexagon Flange Nut include improved fastening security, resistance to vibration, and ease of installation and removal. The nut’s design ensures a secure fit that minimizes the risk of loosening, which is particularly important in high-vibration environments like those found in commercial trucks. Its ease of installation and removal simplifies maintenance procedures, allowing for quicker and more efficient service.

Installation and Usage

Proper installation of the 4350443 Hexagon Flange Nut is crucial for optimal performance. It should be installed with the correct torque specifications to ensure a secure fit without over-tightening, which could damage the nut or the fastened component. Best practices include using the appropriate wrench to avoid rounding off the hexagonal shape and ensuring the flange is properly seated against the surface. Regular checks should be performed to verify that the nut remains tight and has not loosened due to vibration or other factors.

Troubleshooting and Maintenance

Common issues with the 4350443 Hexagon Flange Nut may include loosening or corrosion. To address these problems, regular inspections should be conducted to ensure the nut remains securely fastened. If corrosion is detected, the affected area should be cleaned, and the nut may need to be replaced to prevent further degradation. Maintenance tips include applying a thread locker during installation to enhance security and periodically checking torque levels to ensure they remain within the specified range.

Cummins: Manufacturer Overview

Cummins is a well-established manufacturer with a strong reputation in the automotive industry. The company has a long history of producing high-quality components, including fasteners like the 4350443 Hexagon Flange Nut. Cummins is known for its commitment to innovation and quality, ensuring that its products meet the demanding requirements of commercial truck applications. The company’s dedication to excellence is reflected in the performance and reliability of its components.

Hexagon Flange Nut 4350443 Compatibility with Cummins Engines

The Hexagon Flange Nut part number 4350443, manufactured by Cummins, is a versatile component designed to fit a variety of Cummins engines. This part is integral to the assembly and maintenance of these engines, ensuring secure connections and reliable performance.

QSK19 Series

The QSK19 series engines, specifically the QSK19 CM2350 K105 and QSK19 CM2350 K114, are medium-duty diesel engines known for their robust performance and efficiency. The Hexagon Flange Nut 4350443 is compatible with these engines, providing a critical fastening solution for various components within the engine assembly.

QSK50 and QSK60 Series

The QSK50 CM2350 K108 and QSK60 G CM2358 K110 engines are part of the heavy-duty range, designed for demanding applications. The Hexagon Flange Nut 4350443 fits seamlessly into these engines, ensuring secure and reliable connections that are essential for maintaining engine integrity and performance.

QSK95 Series

The QSK95 CM2350 K113 engine is a high-output, heavy-duty diesel engine. The Hexagon Flange Nut 4350443 is engineered to meet the stringent requirements of this engine, providing a dependable fastening solution that supports the engine’s demanding operational needs.

QST30 Series

The QST30 CM2350 T101 engine is a medium-duty diesel engine, and the Hexagon Flange Nut 4350443 is compatible with this model, ensuring secure connections and reliable performance in various applications.

QSV91-G4 Series

The QSV91-G4 CM558/CM700 V102 engine is a high-output, heavy-duty diesel engine. The Hexagon Flange Nut 4350443 fits this engine, providing a critical fastening solution that supports the engine’s demanding operational needs and ensures secure connections throughout the assembly.

Role of Part 4350443 Hexagon Flange Nut in Engine Systems

The part 4350443 Hexagon Flange Nut is integral to the secure assembly and operation of various engine components. It is commonly used in the fastening of the actuator valve kit, ensuring that the valve operates within precise tolerances for optimal performance.

In the arrangement of the turbocharger system, this nut plays a significant role in maintaining the integrity of connections between the turbocharger and the manifold. It secures the turbocharger to the engine, allowing for efficient transfer of exhaust gases and ensuring that the turbocharger operates under the correct load conditions.

When it comes to the manifold, the Hexagon Flange Nut is used to fasten the manifold to the engine block or cylinder head. This secure attachment is vital for the manifold’s role in distributing exhaust gases from the cylinders to the exhaust system.

In the exhaust system, the nut is employed to connect various exhaust components, ensuring a sealed and efficient flow of exhaust gases. This is important for reducing emissions and improving overall engine performance.

Additionally, in the context of the wastegate valve, the Hexagon Flange Nut is used to secure the wastegate actuator to the turbocharger. This ensures that the wastegate can modulate the flow of exhaust gases effectively, preventing over-boosting and protecting the engine from damage.

Overall, the part 4350443 Hexagon Flange Nut is a fundamental component in the secure and efficient operation of engine systems, contributing to the reliability and performance of the engine.

Conclusion

The 4350443 Hexagon Flange Nut is a critical component in the realm of commercial trucks and Cummins engines. Its design and features ensure secure fastening, resistance to vibration, and ease of maintenance, contributing to the overall reliability and performance of the vehicle. Proper installation and regular maintenance are essential to maximize the benefits of this Cummins part.