3906299
Threaded Plug
Cummins®

Introduction

The Cummins 3906299 Threaded Plug is a component designed for use in heavy-duty truck maintenance and operation. It serves a specific function within the truck’s systems, contributing to the overall efficiency and reliability of the vehicle. Understanding its purpose and significance is key to maintaining the truck’s performance and longevity.

Basic Concepts of Threaded Plugs

Threaded plugs are mechanical components used to seal openings in various systems across automotive and industrial applications. They are screwed into place to create a secure seal, preventing the escape of fluids or gases and keeping contaminants out. Their design allows for easy installation and removal, making them a versatile solution for sealing needs in complex machinery ¹.

Purpose of the Cummins 3906299 Threaded Plug

The Cummins 3906299 Threaded Plug is specifically engineered to play a role in sealing certain openings within a truck’s systems. It interacts with various components, ensuring that the system maintains its integrity by preventing leaks and contamination. This plug is integral to maintaining the pressure and purity of the fluids or gases within the system it serves ².

Key Features

The Cummins 3906299 Threaded Plug is characterized by its precise design and material selection. It features a specific thread type and size that ensure a snug fit in the designated openings. The material used in its construction, along with any special coatings or treatments, enhances its performance and durability, allowing it to withstand the harsh conditions typical of heavy-duty truck operation ³.

Benefits

Utilizing the Cummins 3906299 Threaded Plug offers several advantages. It provides an effective seal, which is crucial for maintaining system pressure and preventing leaks. Its resistance to corrosion ensures longevity, even in demanding environments. Additionally, the plug is designed for ease of installation, facilitating quick and efficient maintenance procedures.

Installation Process

Installing the Cummins 3906299 Threaded Plug requires following a specific procedure to ensure a secure fit. The process involves cleaning the area around the opening, applying the appropriate sealant if necessary, and screwing the plug into place using the recommended tools. Careful attention to these steps ensures the plug functions as intended, providing a reliable seal.

Troubleshooting Common Issues

Threaded plugs, including the Cummins 3906299, may encounter issues such as leaks or difficulty in removal. Addressing these problems involves inspecting the plug and the surrounding area for damage or wear, applying the correct removal techniques, and ensuring that any replacement plug is installed correctly to avoid recurrence of the issue.

Maintenance Tips

Regular inspection and care of the Cummins 3906299 Threaded Plug are recommended to prolong its service life and maintain optimal performance. This includes checking for signs of wear or damage, ensuring the threads remain clean and free of debris, and replacing the plug if it shows signs of failure or if system performance is compromised.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and related technologies. With a strong reputation in the automotive and engine manufacturing industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range and global presence underscore its leadership in the industry.

Threaded Plug 3906299 Compatibility with Cummins Engines

The Cummins Threaded Plug part number 3906299 is designed to fit seamlessly with a variety of Cummins engines, ensuring compatibility and reliability across different engine models. This plug is integral to the engine’s operation, providing a secure seal for various applications.

6B5.9 and 6C8.3 Engines

The 6B5.9 and 6C8.3 engines are part of the Cummins B and C series, known for their robust performance and durability. The threaded plug 3906299 is engineered to fit these engines perfectly, ensuring that the sealing and operational integrity of the engine is maintained. This compatibility is crucial for maintaining the engine’s efficiency and longevity.

C GAS PLUS CM556 and C8.3 G Engines

The C GAS PLUS CM556 and C8.3 G engines are also part of the Cummins C series, designed for a range of applications from industrial to agricultural use. The threaded plug 3906299 is specifically designed to fit these engines, providing a reliable seal that is essential for the engine’s performance. This ensures that the engines operate smoothly and efficiently, without any leaks or performance issues.

G8.3 Engine

The G8.3 engine is another variant in the Cummins G series, known for its versatility and power. The threaded plug 3906299 is compatible with the G8.3 engine, ensuring that it fits securely and provides the necessary sealing to maintain the engine’s performance. This compatibility is vital for the engine’s operation, ensuring that it runs smoothly and efficiently.

By ensuring that the threaded plug 3906299 fits seamlessly with these engines, Cummins maintains the high standards of quality and reliability that their customers expect. This compatibility is a testament to Cummins’ commitment to providing durable and efficient engine components.

Role of Part 3906299 Threaded Plug in Engine Systems

The part 3906299 threaded plug is an essential component in various engine systems, contributing to their efficient operation and maintenance.

In the cooler system, the threaded plug is utilized to seal off unused ports or passages, ensuring that the cooling fluid flows only through the designated pathways. This helps in maintaining the optimal temperature of the engine by preventing any leaks or bypassing of the coolant.

Within the engine oil system, the threaded plug plays a significant role in sealing oil passages that are not in use. This ensures that the oil circulates efficiently through the engine, providing necessary lubrication to moving parts and reducing friction. Proper sealing also prevents oil contamination and maintains the oil’s quality over time.

In the engine cooler system, the threaded plug is employed to block off sections that may not be required during specific operational conditions. This allows for flexible system configurations, enhancing the cooler’s efficiency and adaptability to different engine loads and temperatures.

For the lubricating oil cooler conversion kit, the threaded plug is vital in modifying the oil cooling system. It seals off original equipment manufacturer (OEM) passages that are no longer needed after the conversion, ensuring that the new cooling system operates effectively. This modification helps in maintaining the oil at the desired temperature, which is crucial for the longevity and performance of the engine.

Overall, the part 3906299 threaded plug is a versatile component that enhances the functionality and reliability of various engine systems by providing secure seals and enabling system modifications.

Conclusion

The Cummins 3906299 Threaded Plug is a critical component in maintaining the efficiency and reliability of heavy-duty truck engines. Its precise design, material selection, and compatibility with various Cummins engines make it an indispensable part of engine systems. Regular maintenance and proper installation are key to ensuring its optimal performance and longevity.