4329919
Hexagon Head Cap Screw
Cummins®

Introduction

The Hexagon Head Cap Screw Assembly 4329919 is a specialized component designed for use in commercial trucks. This assembly is integral to maintaining the structural integrity and operational efficiency of various truck systems. Its role in fastening critical components ensures that truck operations remain smooth and reliable, contributing to overall vehicle performance and safety ⁴.

Basic Concepts of Hexagon Head Cap Screw Assembly

A Hexagon Head Cap Screw Assembly consists of a hexagonal-headed screw and a cap that covers the screw head. This design allows for easy tightening and loosening using a wrench or socket, ensuring secure fastening. Within a truck’s mechanical system, these assemblies are used to join components that require strong, durable connections. The hexagonal head provides a stable interface for tools, reducing the risk of slippage and ensuring precise torque application ¹.

Role and Function in Truck Operation

The 4329919 Hexagon Head Cap Screw Assembly plays a significant role in the operation of a truck by securing various components such as engine parts, chassis elements, and body panels. Its applications span across different truck systems, including the engine, transmission, and suspension. By providing reliable fastening solutions, this assembly helps maintain the alignment and integrity of critical components, ensuring optimal truck performance and safety ².

Key Features

The 4329919 Hexagon Head Cap Screw Assembly is characterized by several key features that enhance its performance and durability. It is typically made from high-strength materials such as alloy steel, which provides excellent resistance to wear and corrosion. The design specifications include a precise thread pitch and robust cap construction, ensuring a secure fit and long-lasting performance. Additionally, the assembly may feature coatings or treatments to further improve resistance to environmental factors ³.

Benefits

Using the 4329919 Hexagon Head Cap Screw Assembly offers several benefits for fleet operators. Its high-strength material composition and precise design contribute to improved reliability, reducing the likelihood of fastener failure. The ease of installation, thanks to the hexagonal head, allows for quick and efficient assembly, minimizing downtime. Furthermore, the durability of the assembly leads to long-term cost savings by reducing the need for frequent replacements ⁴.

Installation Process

Proper installation of the 4329919 Hexagon Head Cap Screw Assembly involves several steps to ensure correct fitting. Begin by cleaning the fastening area to remove any debris or corrosion. Use the appropriate wrench or socket to insert and tighten the screw, ensuring that the cap is securely in place. It is important to apply the correct torque specifications to avoid over-tightening, which can damage the assembly or the components being fastened. Following these steps ensures a secure and durable connection ¹.

Maintenance Tips

To ensure the longevity and optimal performance of the 4329919 Hexagon Head Cap Screw Assembly, regular maintenance is recommended. Inspect the assembly periodically for signs of wear, corrosion, or loosening. Clean the fastening area as needed to prevent buildup of dirt or debris. If any issues are detected, address them promptly to maintain the integrity of the fastening solution ².

Troubleshooting Common Issues

Common problems with the 4329919 Hexagon Head Cap Screw Assembly may include loosening, corrosion, or damage to the cap or screw. To troubleshoot these issues, first, ensure that the correct torque was applied during installation. If loosening is detected, re-tighten the screw to the specified torque. For corrosion, clean the affected area and consider applying a protective coating. If the cap or screw is damaged, replacement may be necessary to restore secure fastening ³.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history of innovation and a broad product range, Cummins is renowned for its commitment to quality and reliability in the commercial truck industry. The 4329919 Hexagon Head Cap Screw Assembly is a testament to Cummins’ dedication to providing durable and high-performance components for commercial vehicles ⁴.

Hexagon Head Cap Screw Assembly (Part 4329919) in Cummins Engines

The Hexagon Head Cap Screw Assembly, part number 4329919, is a critical component in several Cummins engine models. This part is integral to the assembly and maintenance of the engines, ensuring secure fastening and proper alignment of various engine parts.

Application in Cummins Engines

QSK19 CM2350 K105 and QSK19 CM2350 K114

The Hexagon Head Cap Screw Assembly is utilized in the QSK19 CM2350 K105 and QSK19 CM2350 K114 engines. These engines are part of the Cummins QSK series, known for their reliability and efficiency in various industrial applications. The part number 4329919 is essential in these engines for securing components that require precise fastening, ensuring the integrity and performance of the engine ¹.

QSK50 CM2350 K108

In the QSK50 CM2350 K108 engine, the Hexagon Head Cap Screw Assembly is also a vital component. This engine, like its counterparts, relies on the 4329919 part for maintaining the structural integrity of the engine by providing a secure fastening solution for critical engine parts ².

QST30 CM2350 T101

The QST30 CM2350 T101 engine incorporates the Hexagon Head Cap Screw Assembly as part of its design. This engine model benefits from the precise and reliable fastening provided by part number 4329919, ensuring that all components are securely held in place, contributing to the overall efficiency and longevity of the engine ³.

Importance of the Hexagon Head Cap Screw Assembly

The Hexagon Head Cap Screw Assembly is crucial in these engines for several reasons:

• Secure Fastening: It ensures that engine components are tightly secured, preventing any loosening or movement that could lead to engine failure.
• Precision: The design of the screw allows for precise alignment and fastening, which is critical for the performance and reliability of the engine.
• Durability: Made from high-quality materials, this screw assembly can withstand the high stresses and temperatures encountered in engine operations.

By using the Hexagon Head Cap Screw Assembly, Cummins ensures that their engines maintain the highest standards of performance and reliability, making it an indispensable component in the QSK19 CM2350 K105, QSK19 CM2350 K114, QSK50 CM2350 K108, and QST30 CM2350 T101 engines ⁴.

Conclusion

The 4329919 Hexagon Head Cap Screw Assembly is a vital component in the maintenance and operation of commercial trucks and Cummins engines. Its design, made from high-strength materials and featuring a precise thread pitch, ensures secure fastening and long-lasting performance. Regular maintenance and proper installation are key to maximizing the benefits of this part, contributing to the overall reliability and efficiency of truck and engine operations.