4385519
Threaded Plug
Cummins®

The Cummins Threaded Plug 4385519 is a component designed for use in commercial trucks, ensuring the integrity of various truck systems by providing secure seals in fluid and air passages. Cummins, a well-established name in the commercial truck industry, ensures that this threaded plug meets the high standards required for heavy-duty applications.

Basic Concepts of Threaded Plugs

Threaded plugs are mechanical devices used to seal openings in pipes, tubes, and other fluid or air passages. They function by being screwed into a threaded hole, creating a tight seal that prevents leaks. In automotive and industrial settings, threaded plugs are commonly used to cap off unused ports, seal system components during maintenance, or as part of the design in fluid and air systems. These plugs are typically made from materials such as brass, stainless steel, or plastic, chosen for their durability, resistance to corrosion, and ability to maintain a seal under pressure ¹.

Purpose of the 4385519 Threaded Plug

The 4385519 Threaded Plug is specifically designed to play a role in the operation of commercial trucks by sealing openings in various systems, including fuel, hydraulic, and pneumatic systems. It interacts with components such as fuel tanks, hydraulic reservoirs, and air brake systems, contributing to the overall functionality and safety of the vehicle by ensuring that these systems remain sealed and operate efficiently.

Key Features

The 4385519 Threaded Plug features a design that includes precise threading specifications to ensure a secure fit and seal. It is composed of materials that offer resistance to corrosion and wear, enhancing its durability in the demanding environment of commercial truck operations. The plug’s unique attributes may include a hex-shaped head for easy installation and removal, and a tapered thread design that provides a tighter seal as it is screwed in.

Benefits

Utilizing the 4385519 Threaded Plug offers several advantages, including improved system sealing, which is crucial for maintaining the efficiency of fluid and air systems in trucks. Its resistance to corrosion ensures longevity, even in harsh operating conditions. The ease of installation, thanks to its design, allows for quick maintenance and repair, minimizing downtime. These benefits contribute to the reliability and efficiency of truck operations.

Installation and Usage

Proper installation of the 4385519 Threaded Plug involves preparing the fitting by ensuring the threads are clean and free of debris. It should be screwed in by hand until snug, then tightened to the manufacturer’s specified torque to ensure a secure seal without over-tightening, which could damage the threads. This plug is commonly used in scenarios where a temporary or permanent seal is required in fluid or air systems.

Troubleshooting and Maintenance

Common issues with the 4385519 Threaded Plug, such as leaks or difficulty in removal, can often be traced to improper installation or wear and tear. Ensuring the plug is correctly installed and periodically inspecting it for signs of wear can help identify potential problems early. Maintenance tips include keeping the threads clean and lubricated to facilitate easy removal and replacement when necessary.

Cummins: Manufacturer Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emission solutions. With a history of innovation and a commitment to quality, Cummins has established a strong reputation in the commercial truck industry. The company’s focus on customer satisfaction and continuous improvement ensures that its products, like the 4385519 Threaded Plug, meet the high demands of commercial truck applications.

Compatibility with Cummins Engines

The Threaded Plug 4385519 is designed to fit seamlessly within various Cummins engine models, ensuring optimal performance and reliability across a range of engine applications.

QSK95 Engine

In the QSK95 engine, the Threaded Plug 4385519 provides a secure seal in specific areas, preventing leaks and maintaining the integrity of the engine’s internal systems.

CM2350 Engine

For the CM2350 engine, the Threaded Plug 4385519 is integral to the engine’s maintenance and operational efficiency, facilitating easy access for routine checks and maintenance.

K113 Engine

The K113 engine incorporates the Threaded Plug 4385519, where it plays a crucial role in maintaining the engine’s structural integrity, ensuring that components remain securely fastened.

Role of Part 4385519 Threaded Plug in Engine Systems

Fuel Tank Applications

In fuel tank systems, the 4385519 Threaded Plug seals openings that are no longer in use or prevents fuel leakage through unused ports, ensuring the fuel system remains pressurized and free from contaminants.

Alarm System Integration

In alarm systems, the 4385519 Threaded Plug may be employed to seal connections or ports that are not actively used within the system, maintaining the system’s overall integrity by preventing the ingress of moisture or debris.

Conclusion

The 4385519 Threaded Plug, through its applications in various systems, plays a significant role in enhancing the reliability and safety of engine operations. Its ability to provide a secure seal in diverse applications underscores its importance in maintaining the performance and longevity of engine components.