3935468
Threaded Plug
Cummins®

Introduction

The Cummins 3935468 Threaded Plug is a component designed for use in commercial trucks. It serves a specific function within the vehicle’s systems, contributing to the overall efficiency and reliability of the truck. Understanding its purpose and significance is important for maintaining the vehicle’s performance.

Basic Concepts of Threaded Plugs

A threaded plug is a mechanical device used to seal openings in various systems. It consists of a cylindrical body with threads that allow it to be screwed into a corresponding threaded hole. In automotive and industrial settings, threaded plugs are utilized to prevent fluid leaks, protect against contaminants, and maintain system pressure. They are commonly found in engines, fuel systems, and hydraulic systems ¹.

Purpose of the Cummins 3935468 Threaded Plug

The Cummins 3935468 Threaded Plug is specifically designed to seal openings within a truck’s engine or other systems. Its primary function is to prevent the escape of fluids or gases, ensuring that the system operates under the correct pressure and remains free from contaminants. This plug plays a role in maintaining the integrity of the system it is installed in, contributing to the truck’s overall performance ².

Key Features

The Cummins 3935468 Threaded Plug is constructed from durable materials to withstand the harsh conditions within a truck’s engine compartment. It features a specific thread type that ensures a secure fit within the designated openings. The design specifications of this plug include precise dimensions and a robust construction, which are critical for its effective function.

Benefits

Using the Cummins 3935468 Threaded Plug offers several advantages. It enhances system integrity by providing a reliable seal, which helps maintain the correct operating pressure. This plug also contributes to improved performance by ensuring that fluids and gases remain within the system. Additionally, its durable construction promotes longevity, reducing the need for frequent replacements ³.

Installation Process

Installing the Cummins 3935468 Threaded Plug requires careful attention to ensure a proper fit and seal. The process involves cleaning the threaded hole, applying a suitable sealant if necessary, and screwing the plug into place using the appropriate tools. It is important to follow the manufacturer’s guidelines to achieve the correct torque and ensure the plug is securely installed.

Troubleshooting Common Issues

Common problems with threaded plugs include leaks and difficulty in removal. To address leaks, it may be necessary to replace the plug or apply a sealant. If removal is challenging, using a plug extractor tool can help. Regular inspection and maintenance can prevent many issues associated with threaded plugs.

Maintenance Tips

To ensure the optimal performance and longevity of the Cummins 3935468 Threaded Plug, regular maintenance is recommended. This includes periodic inspection for signs of wear or damage, cleaning the plug and surrounding area, and ensuring that the threads remain free from debris. Following these maintenance practices can help prevent issues and extend the life of the plug.

Role in Engine Systems

The Cummins 3935468 Threaded Plug interacts with other components within the engine system by providing a secure seal for openings. This interaction contributes to the overall efficiency and reliability of the engine, ensuring that fluids and gases are contained within the system as intended.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. With a history of innovation and a comprehensive product range, Cummins is renowned for its quality and reliability in the commercial truck industry. The company’s commitment to excellence is reflected in its products, including the Cummins 3935468 Threaded Plug.

Compatibility with Cummins Engines

The Cummins 3935468 Threaded Plug is compatible with various Cummins engine models, ensuring that fluids and gases remain contained within the engine system. Below is a detailed overview of the engines with which this part is compatible:

ISC Series Engines

• ISC CM2150
• ISC CM554
• ISC CM850
• ISC8.3 CM2250

ISL Series Engines

• ISL CM2150
• ISL CM554
• ISL9 CM2150 SN
• ISL9 CM2250

C Series Engines

• C GAS PLUS CM556
• C8.3 G

Other Compatible Engines

• 6C8.3

By ensuring that the 3935468 Threaded Plug is correctly installed, engine owners can maintain the integrity of their systems, preventing leaks and ensuring optimal performance.

Role of 3935468 Threaded Plug in Engine Systems

The 3935468 Threaded Plug is a vital component in various engine systems, ensuring the integrity and efficiency of several key elements.

• Alternator Drive: Secures the alternator to the engine, maintaining alignment and stability.
• Alternator Location: Ensures proper placement for optimal performance.
• Arrangement of Engine Components: Contributes to structural integrity by fastening various parts together.
• Oil Fill System: Seals the oil fill port, preventing oil leaks and ensuring necessary lubrication.
• Engine Cover: Secures the cover in place, protecting internal components from debris and contaminants.
• Cylinder Block: Seals passages and cavities, ensuring correct flow of coolant and oil.
• Drive System: Secures components such as pulleys and brackets, essential for transmitting power.
• Alternator Mounting: Attaches the alternator to the engine block or bracket, providing necessary support and stability.

Conclusion

The Cummins 3935468 Threaded Plug is a critical component for maintaining the efficiency and reliability of commercial truck engines. Its durable construction, precise design, and compatibility with various Cummins engine models make it an essential part for sealing openings and preventing leaks. Regular maintenance and proper installation are key to ensuring the longevity and optimal performance of this part.