3698081
Threaded Plug
Cummins®

Introduction

The Threaded Plug 3698081 is a component manufactured by Cummins, a prominent entity in the commercial truck industry. This plug is designed for use in commercial trucks, where it plays a role in maintaining the integrity and functionality of various systems within the vehicle.

Basic Concepts of Threaded Plugs

Threaded plugs are mechanical components used to seal openings in systems where fluid or gas flow needs to be controlled or prevented. They function by being screwed into place, creating a tight seal that prevents leaks. These plugs are commonly made from materials such as brass, stainless steel, or aluminum, each chosen for specific properties like corrosion resistance, durability, and ease of installation. The choice of material depends on the application and the environment in which the plug will operate ¹.

Purpose of Threaded Plug 3698081

The Threaded Plug 3698081 is utilized in commercial trucks to seal specific ports or openings within the engine or other systems. It is typically installed in areas where access is needed for maintenance or testing but must be sealed during normal operation to prevent leaks or contamination. This part interacts with the engine’s cooling and lubrication systems, ensuring that fluids remain contained within their designated pathways ².

Key Features

The Threaded Plug 3698081 is characterized by its precise design and material composition, which includes high-quality metals to ensure durability and reliability. Its threading specifications are tailored to fit specific ports within Cummins engines, ensuring a secure fit. Unique attributes of this plug may include anti-corrosion coatings or specialized threading patterns that enhance its sealing capabilities and resistance to vibration and pressure ³.

Benefits

Utilizing the Threaded Plug 3698081 offers several advantages, including improved system integrity by effectively sealing ports and preventing fluid leaks. This contributes to the overall reliability of the vehicle, reducing the risk of system failures due to leaks or contamination. The plug’s design and material properties also ensure it can withstand the harsh conditions typical of commercial truck operations ⁴.

Troubleshooting and Maintenance

Common issues with threaded plugs, such as leaks or corrosion, can often be identified through regular inspection and maintenance. Ensuring the plug is properly installed and tightened can prevent many issues. If corrosion is detected, cleaning the plug and the surrounding area, followed by reapplication of any protective coatings, can help maintain its functionality. In cases where the plug is damaged or worn, replacement with a new Threaded Plug 3698081 is recommended to ensure continued system integrity.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions technologies. With a history spanning over a century, Cummins has established a reputation for quality, innovation, and reliability in the commercial truck industry. The company’s commitment to advancing technology and improving efficiency is evident in its diverse product range, which includes components like the Threaded Plug 3698081.

Compatibility with Cummins Engines

The Cummins Threaded Plug part number 3698081 is designed to fit a variety of Cummins engines, ensuring a secure and leak-proof connection where required. Below is a detailed description of its compatibility across different engine models:

• 15N CM2380 M104B: This part is crucial for maintaining the integrity of the engine’s fuel or coolant systems, ensuring no leaks occur at the connection point.
• ISG11 CM2880 G108 and ISG12 CM2880 G107: Both engines are compatible with the Threaded Plug 3698081, ensuring that all threaded connections are sealed properly, preventing any fluid loss.
• ISG12 G CMOH6.0 G111 and QSG12 CM2880 G112: These engines also benefit from the use of the Threaded Plug 3698081, maintaining the engine’s operational efficiency by ensuring that all threaded fittings are securely fastened.
• QSG12/X12 CM2350 G110: This engine incorporates the Threaded Plug 3698081, which is essential for the engine’s fluid systems, providing a reliable seal that is critical for performance and longevity.
• X11 CM2670 X126B, X12 CM2350 X119B, X12 CM2670 X121B, X12N CMMDG1 X143B, X13 CM2670 X122B, and Z14 CM2670 Z103B: These engines rely on the Threaded Plug 3698081 to ensure that all threaded connections are properly sealed, which is vital for maintaining the engine’s operational integrity and preventing leaks.

Role of Part 3698081 Threaded Plug in Engine Systems

The threaded plug, identified as part 3698081, is a component in various engine systems, contributing to the overall functionality and efficiency of the engine. Its applications span across several key components, each playing a distinct role in the engine’s operation.

Application in the Oil System

In the oil system, the threaded plug is utilized in the oil pan to seal openings that may be required for maintenance or manufacturing processes. This ensures that the oil remains contained within the system, preventing leaks that could lead to oil loss and potential engine damage. Additionally, the plug may be used in the oil heater starting system, where it helps maintain the integrity of the heating element by sealing any access points that are not in use during operation.

Integration with the Aid System

The threaded plug also finds its place in the aid system, where it is employed to seal off ports or passages that are not actively used. This could include sealing off test points or auxiliary passages that are only required under specific conditions or during maintenance procedures. By effectively sealing these areas, the plug helps maintain the system’s pressure and ensures that the aid system operates as intended without unintended leaks or pressure drops.

Contribution to Engine Efficiency

By sealing various components within the engine system, the threaded plug contributes to the overall efficiency of the engine. It ensures that fluids and gases remain within their designated pathways, reducing the risk of contamination and maintaining the system’s operational integrity. This, in turn, supports the engine’s performance and longevity, making the threaded plug a valuable component in engine maintenance and operation.

Conclusion

The Threaded Plug 3698081 by Cummins is a critical component in maintaining the integrity and efficiency of commercial truck engines. Its precise design, material composition, and compatibility with various Cummins engine models make it an indispensable part of engine maintenance and operation. Regular inspection and maintenance of this part can prevent common issues such as leaks or corrosion, ensuring the continued reliability and performance of the vehicle.