3067369
Threaded Plug
Cummins®

The Cummins 3067369 Threaded Plug is a critical component in the maintenance and operation of commercial trucks. It ensures the integrity and efficiency of various systems within the truck, contributing to overall performance and reliability. Understanding its function and significance is essential for maintaining high standards of truck operation and safety.

Basic Concepts of Threaded Plugs

Threaded plugs are mechanical components used to seal openings in various systems, preventing the escape of fluids or gases. They are commonly employed in automotive and industrial applications to maintain system pressure, prevent contamination, and ensure the proper functioning of equipment. These plugs are characterized by their threaded design, which allows for secure fitting into corresponding threaded ports ¹.

Purpose of the Cummins 3067369 Threaded Plug

The Cummins 3067369 Threaded Plug serves a specific function within the operation of commercial trucks. It is designed to seal openings in the engine or other systems, playing a role in maintaining system pressure and preventing leaks. This plug ensures that the truck’s systems operate efficiently and reliably, contributing to the overall performance of the vehicle ².

Key Features

The Cummins 3067369 Threaded Plug is distinguished by several key features that enhance its performance and durability. These include its material composition, which is selected for resistance to corrosion and wear, and its thread type, which ensures a secure fit. The design specifications of this plug are tailored to meet the demanding conditions of commercial truck operation, ensuring longevity and reliability.

Benefits

Using the Cummins 3067369 Threaded Plug offers several benefits. It contributes to improved system integrity by effectively sealing openings, which helps maintain system pressure and prevent leaks. Additionally, its durable construction and secure fitting enhance the performance and longevity of the truck’s systems, reducing the need for frequent replacements and maintenance.

Installation Process

Proper installation of the Cummins 3067369 Threaded Plug is crucial for ensuring its effectiveness. The process involves cleaning the threaded port to remove any debris, applying a suitable sealant to the threads, and then screwing the plug into place. It is important to use the correct tools and follow the manufacturer’s guidelines to achieve a secure and leak-proof fit.

Common Applications

The Cummins 3067369 Threaded Plug finds typical applications within various systems of commercial trucks. Its versatility allows it to be used in engine compartments, fuel systems, and other critical areas where sealing is required. This widespread applicability underscores the importance of this component in maintaining the operational efficiency of commercial trucks.

Troubleshooting and Maintenance

To ensure the longevity and effectiveness of the Cummins 3067369 Threaded Plug, regular maintenance and troubleshooting are recommended. This includes checking for signs of wear or damage, ensuring the plug is securely fitted, and replacing it if necessary. Addressing issues promptly can prevent more significant problems and maintain the integrity of the truck’s systems.

Cummins Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its wide range of high-quality components and engines. With a rich history of innovation and reliability, Cummins products are trusted by professionals worldwide. The company’s commitment to excellence is reflected in the design and performance of components like the Cummins 3067369 Threaded Plug.

Compatibility with Cummins Engines

The threaded plug part number 3067369, manufactured by Cummins, is designed to fit seamlessly with several of their engine models. This part is integral to the engine’s operation, ensuring that specific components are sealed and protected.

N14 CELECT and N14 CELECT PLUS Engines

The threaded plug 3067369 is compatible with both the N14 CELECT and N14 CELECT PLUS engines. These engines are known for their robust design and advanced electronic controls, which enhance performance and efficiency. The plug is used in these engines to secure and seal critical components, ensuring that the internal systems operate under optimal conditions.

N14 MECHANICAL Engine

Similarly, the N14 MECHANICAL engine also utilizes the threaded plug 3067369. This engine variant, while lacking the electronic controls of its CELECT counterparts, still requires the same level of precision and reliability in its components. The threaded plug in this engine serves to maintain the integrity of the system by providing a secure and leak-proof connection.

NH/NT 855 Engines

The NH/NT 855 engines are another series where the threaded plug 3067369 is employed. These engines are designed for heavy-duty applications, offering high power output and durability. The plug’s role in these engines is crucial, as it helps in maintaining the pressure and sealing required for the engine’s efficient operation.

Role of Part 3067369 Threaded Plug in Engine Systems

The part 3067369 Threaded Plug is a critical component in various engine systems, particularly those involving brake mechanisms and control systems. Its primary function is to seal and secure specific points within these systems, ensuring optimal performance and safety.

Brake Systems

In brake systems, the 3067369 Threaded Plug is used to seal openings in the brake housing and related components. This sealing is vital for maintaining the integrity of the brake fluid system, preventing leaks, and ensuring consistent brake performance. The plug is often found in the brake kit and c-brake kit, where it helps in maintaining the pressure within the brake lines.

Engine Brake Systems

For engine brake systems, the threaded plug plays a significant role in the engine brake housing and engine brake kit. It seals critical points within the engine brake mechanism, ensuring that the braking force is applied effectively without any loss of pressure. This is particularly important in Cummins engine brake kits, where precise sealing is necessary for the efficient operation of the engine brake.

Control Systems

In control systems, the 3067369 Threaded Plug is used to seal openings in the control housing and related components. This ensures that the control signals are transmitted accurately without any interference from external elements. The plug is also found in the rocker housing, where it helps in maintaining the structural integrity and functionality of the control system.

Integration in Comprehensive Kits

When integrated into comprehensive kits such as the c brake (top level) kit and c brake (3 brakes) kit, the threaded plug ensures that all components within the kit function seamlessly together. It helps in maintaining the overall efficiency and reliability of the brake and engine systems by providing a secure seal at critical points.

Engine Systems

In engine systems, the 3067369 Threaded Plug is used to seal various openings within the engine components. This includes sealing points in the engine brake and Cummins engine brake kit, where it ensures that the engine operates smoothly without any unwanted leaks or pressure losses.

Conclusion

Overall, the 3067369 Threaded Plug is a fundamental component in ensuring the proper functioning of brake, engine, and control systems by providing reliable sealing and security at critical points. Its compatibility with various Cummins engines and its role in maintaining system integrity make it an indispensable part of commercial truck maintenance and operation.