4325272
Threaded Plug
Cummins®

Introduction

The Cummins 4325272 Threaded Plug is a component designed for use in heavy-duty truck maintenance and operation. It serves a specific function within the truck’s mechanical systems, contributing to the overall efficiency and reliability of the vehicle. Understanding its purpose and significance can aid in maintaining the truck’s performance and longevity.

Basic Concepts of Threaded Plugs

Threaded plugs are mechanical components used to seal openings in various systems. They are screwed into place to prevent the escape of fluids or gases, ensuring the integrity of the system they are part of. In mechanical systems, threaded plugs play a role in maintaining pressure, preventing contamination, and ensuring that components operate within their designed parameters ¹.

Purpose of the Cummins 4325272 Threaded Plug

The Cummins 4325272 Threaded Plug is specifically designed to seal unused ports or passages within a truck’s engine or other systems. By doing so, it helps maintain the system’s integrity, preventing fluid leaks and ensuring that the engine operates efficiently. Its application is crucial in scenarios where certain ports are not in use but need to be sealed to prevent potential issues.

Key Features

The Cummins 4325272 Threaded Plug is characterized by several key features that enhance its functionality and durability. It is made from materials that are resistant to corrosion and wear, ensuring long-term performance. The plug features a specific thread type that allows for a secure fit within the designated ports. Additionally, its design may include unique elements that facilitate easy installation and removal when necessary.

Benefits of Using the Cummins 4325272 Threaded Plug

Utilizing the Cummins 4325272 Threaded Plug offers several advantages. It contributes to improved system integrity by effectively sealing unused ports, which helps in preventing fluid leaks. This, in turn, supports overall engine efficiency by ensuring that the system operates within its designed parameters. The plug’s durable construction and secure fit also add to the reliability of the truck’s mechanical systems ².

Installation Guidelines

Proper installation of the Cummins 4325272 Threaded Plug involves several steps to ensure a secure fit. First, the port should be cleaned to remove any debris or old sealant. The plug can then be screwed into place using the appropriate tools to achieve the recommended torque specification. It is important to follow best practices during installation to prevent damage to the plug or the port and to ensure a leak-free seal.

Troubleshooting Common Issues

Common issues associated with threaded plugs include leaks or difficulty in removal. If a leak is detected, it may be necessary to remove the plug, inspect the port for damage, and reapply sealant before reinstalling. Difficulty in removal can often be addressed by using the correct tools and techniques to avoid damaging the plug or the port. Regular inspection and maintenance can help identify and resolve these issues before they lead to more significant problems.

Maintenance Tips

Regular maintenance of the Cummins 4325272 Threaded Plug is important to ensure its continued effectiveness. This includes periodic inspection for signs of wear or damage, such as corrosion or leaks. If any issues are detected, the plug should be replaced to maintain system integrity. Adhering to recommended inspection intervals and replacement guidelines can help prevent unexpected failures and ensure the truck’s mechanical systems operate efficiently.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the automotive and heavy-duty truck industry. Its product range includes a variety of components and systems designed to enhance the performance, efficiency, and reliability of vehicles and equipment.

Threaded Plug 4325272 Compatibility with Cummins Engines

The Threaded Plug part number 4325272, manufactured by Cummins, is designed to fit seamlessly with a variety of Cummins engines. This plug is a critical component in ensuring the integrity and functionality of the engine’s systems.

Cummins Engines in the ISV (Intelligent Systems Vehicle) Series

In the ISV series, the threaded plug 4325272 is compatible with the following engines:

• Cummins ISV450
• Cummins ISV550
• Cummins ISV650

These engines are known for their robust performance and reliability, making them a popular choice in various applications, including heavy-duty vehicles and industrial machinery.

Cummins Engines in the QSX Series

The threaded plug 4325272 also fits the following engines in the QSX series:

• Cummins QSX620
• Cummins QSX675

The QSX series engines are engineered for high power output and efficiency, making them suitable for on-highway and off-highway applications.

Cummins Engines in the L Series

For the L series, the threaded plug 4325272 is compatible with:

• Cummins L10
• Cummins L9

These engines are widely used in marine and stationary power applications due to their durability and performance.

Cummins Engines in the K Series

In the K series, the threaded plug 4325272 fits the following engines:

• Cummins K19
• Cummins K38

The K series engines are known for their versatility and are commonly used in agricultural and construction equipment.

Cummins Engines in the M Series

The threaded plug 4325272 is also compatible with the following engines in the M series:

• Cummins M11
• Cummins M15

These engines are designed for medium-duty applications, providing a balance of power and efficiency.

Summary

The threaded plug 4325272 by Cummins is a versatile component that fits a wide range of Cummins engines across various series, including ISV, QSX, L, K, and M. This compatibility ensures that the plug can be used in multiple applications, enhancing the engine’s performance and reliability.

Part 4325272 Threaded Plug Component Usage

The part 4325272 Threaded Plug is an essential component in various engine systems, contributing to the overall functionality and efficiency of the engine.

In the Cylinder Block Stiffener, the Threaded Plug is used to seal off specific passages or ports that are not in use. This helps maintain the structural integrity of the cylinder block by preventing unwanted fluid flow or air leaks, which could otherwise compromise engine performance.

Within the Long Block Kit, the Threaded Plug is often utilized to seal off coolant or oil passages that are not required for the specific engine configuration. This ensures that the engine operates efficiently without unnecessary fluid pathways, which can lead to leaks or reduced performance.

The Multiple Function Lubrication Housing incorporates the Threaded Plug to manage the flow of lubricants to various engine components. By sealing off certain channels, the plug helps direct lubricants to critical areas, ensuring optimal lubrication and reducing wear on moving parts.

In the Oil Pan and general Pan applications, the Threaded Plug is employed to seal off drain holes or inspection ports when they are not in use. This prevents contaminants from entering the oil pan and ensures that the oil remains clean, which is vital for maintaining engine health.

Overall, the 4325272 Threaded Plug plays a significant role in enhancing the reliability and performance of engine systems by providing effective sealing solutions across various components.

Conclusion

The Cummins 4325272 Threaded Plug is a critical component in maintaining the integrity and efficiency of heavy-duty truck engines. Its versatile compatibility with various Cummins engine series ensures that it can be used in multiple applications, enhancing engine performance and reliability. Proper installation, regular maintenance, and understanding its key features and benefits are essential for maximizing the effectiveness of this Cummins part.