3094042
Threaded Plug
Cummins®

The Cummins 3094042 Threaded Plug is a component designed for use in commercial truck maintenance and operation. This plug serves a specific function within the engine system, contributing to the overall efficiency and reliability of the vehicle. Understanding its purpose and role is fundamental for technicians and fleet managers involved in the upkeep of commercial trucks.

Basic Concepts of Threaded Plugs

Threaded plugs are mechanical components used to seal openings in various systems, including automotive and industrial applications. They function by creating a secure, leak-proof seal when screwed into place. These plugs are versatile and can be found in engines, hydraulic systems, and other machinery where sealing is necessary to maintain system integrity and prevent fluid or gas leakage ¹.

Purpose of the Cummins 3094042 Threaded Plug

The Cummins 3094042 Threaded Plug is specifically designed to seal openings in the engine block or other components of commercial trucks. It is typically installed in locations where access to the engine’s internal components is required for maintenance or repair, such as oil galleries or coolant passages. The plug’s role is to ensure that these openings are properly sealed when not in use, preventing leaks and maintaining system pressure ².

Key Features

The Cummins 3094042 Threaded Plug is constructed from high-quality materials, ensuring durability and resistance to corrosion. It features a specific thread type that matches the openings it is designed to seal, providing a secure fit. The design of the plug includes features that enhance its sealing capabilities, such as a tapered seat or O-ring groove, which help to create a tight seal against the mating surface ³.

Benefits

Using the Cummins 3094042 Threaded Plug offers several benefits. Its design contributes to improved sealing, reducing the risk of leaks that can lead to system failure or inefficiency. The plug’s durable construction ensures longevity, even under the demanding conditions typical of commercial truck operation. Additionally, its design allows for ease of installation and removal, facilitating maintenance procedures.

Installation Process

Proper installation of the Cummins 3094042 Threaded Plug involves several steps. First, the opening to be sealed should be cleaned to remove any debris or old sealant. The plug can then be screwed into place by hand until it contacts the sealing surface, followed by tightening with a wrench to the specified torque. It is important to use the correct tools and follow manufacturer guidelines to ensure a secure and proper installation.

Common Applications

Within the context of commercial truck maintenance and repair, the Cummins 3094042 Threaded Plug is commonly used in engine block applications where sealing of openings is required. It is also applicable in situations where temporary sealing is needed during maintenance or repair procedures, ensuring that the engine’s internal components remain protected and the system’s integrity is maintained.

Troubleshooting and Maintenance

Common issues with threaded plugs include leaks or difficulty in removal. Troubleshooting may involve checking the plug’s fit and condition, ensuring it is properly installed, and inspecting the sealing surface for damage or contamination. Regular maintenance, such as periodic inspection and replacement as needed, can help ensure the plug’s longevity and proper function.

Safety Considerations

When handling and installing the Cummins 3094042 Threaded Plug, it is important to observe safety considerations. This includes wearing appropriate personal protective equipment (PPE), such as gloves and safety glasses, to protect against injury. Additionally, following safe work practices, such as ensuring the engine is cool before beginning work and using the correct tools, contributes to a safe working environment.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and commitment to quality, Cummins plays a significant role in the automotive and industrial sectors. The company’s focus on developing reliable and efficient components underscores its contribution to the advancement of technology in these fields.

Threaded Plug 3094042 Compatibility with Cummins Engines

The Threaded Plug part number 3094042, 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 fluid pathways are properly sealed and maintained. Below is a detailed description of its compatibility with the specified engines:

QST30 CM2350 T101 and QST30 CM552

The Threaded Plug 3094042 is specifically engineered to fit within the QST30 CM2350 T101 and QST30 CM552 engines. These engines are part of Cummins’ robust lineup, known for their reliability and performance in various applications. The threaded plug is used in these engines to ensure that critical fluid pathways remain sealed, preventing leaks and maintaining the integrity of the engine’s lubrication and cooling systems.

The plug’s design allows it to be securely fastened, providing a tight seal that is essential for the engine’s optimal performance. This compatibility ensures that the engines can operate efficiently, with the threaded plug playing a crucial role in maintaining the necessary pressure and fluid flow within the system.

By using the Threaded Plug 3094042, technicians and operators can be confident that their engines will benefit from a reliable and well-fitted component, contributing to the overall longevity and performance of the QST30 CM2350 T101 and QST30 CM552 engines.

Role of Part 3094042 Threaded Plug in Engine Systems

The part 3094042 Threaded Plug is an essential component in various engine systems, ensuring the integrity and efficiency of the lubrication and filtration processes.

In the context of the Full Flow Oil Filter, the Threaded Plug is utilized to seal off specific pathways within the filter assembly. This ensures that oil flows through the designated channels, enhancing the filtration process and maintaining the cleanliness of the lubricating oil.

When integrated into the Lubricating Oil Filter Head or the Lubricating Oil Filter (Top Level Assembly) Head, the Threaded Plug plays a significant role in preventing leaks and maintaining pressure within the system. This is vital for the consistent performance of the filter head, which is responsible for directing oil to the appropriate sections of the engine.

In the Lube Oil Filter Head, the Threaded Plug ensures that the filtration process is not compromised by external contaminants or internal leaks. This component is instrumental in maintaining the efficiency of the lube oil filtration system, which is crucial for the longevity and performance of the engine.

For the Package and Product Installation, the Threaded Plug is often used to seal off unnecessary ports or openings during the installation process. This ensures that the engine system is correctly configured and that all components are securely in place before the engine is operational.

In the Upfit Kit, the Threaded Plug may be used to adapt the engine system to specific requirements or configurations. This flexibility allows for customization and ensures that the engine can be tailored to meet the needs of various applications.

Overall, the part 3094042 Threaded Plug is a versatile and reliable component that enhances the functionality and efficiency of engine systems by ensuring proper sealing, preventing leaks, and maintaining the integrity of the lubrication and filtration processes.

Conclusion

The Cummins 3094042 Threaded Plug is a critical component in the maintenance and operation of commercial trucks. Its role in sealing engine openings, preventing leaks, and maintaining system pressure is essential for the efficiency and reliability of the vehicle. Technicians and fleet managers must understand its purpose, features, and proper installation procedures to ensure optimal performance and longevity of the engine system.