3093966
Expansion Plug
Cummins®

The Cummins 3093966 Expansion Plug is a component designed for use in commercial trucks. It serves a specific function within the truck’s systems, contributing to the overall maintenance and operational efficiency of the vehicle. Understanding its purpose and significance is key to ensuring the longevity and performance of commercial trucks.

Basic Concepts of Expansion Plugs

An expansion plug is a device used to seal openings in various systems, such as engine or cooling systems, to prevent leaks and maintain system integrity. These plugs expand when inserted into a hole, creating a tight seal that can withstand pressure and temperature variations. In automotive and heavy-duty truck applications, expansion plugs are utilized to seal off unused ports or passages within the engine block or other components, ensuring that fluids and gases remain contained within their designated pathways ¹.

Purpose of the 3093966 Expansion Plug

The 3093966 Expansion Plug plays a role in the operation of a truck by sealing specific openings within the engine or cooling system. This sealing function is vital for maintaining the system’s pressure and preventing leaks, which can lead to decreased efficiency and potential damage to the engine or other components. By ensuring that fluids and gases remain within their intended pathways, the expansion plug contributes to the overall reliability and performance of the truck ².

Key Features

The 3093966 Expansion Plug is characterized by several key features that enhance its performance and durability. It is constructed from high-quality materials that can withstand the harsh conditions within a truck’s engine compartment. The design of the plug allows it to expand securely within the opening it seals, providing a reliable barrier against leaks. Additionally, the plug is engineered to resist corrosion and wear, ensuring long-term functionality in demanding environments ³.

Benefits

Utilizing the 3093966 Expansion Plug offers several benefits for fleet operators. It contributes to improved system integrity by effectively sealing openings, which helps maintain the pressure and efficiency of the engine or cooling system. The plug’s durable construction and resistance to corrosion enhance its longevity, potentially reducing the need for frequent replacements. Furthermore, by preventing leaks and maintaining system efficiency, the expansion plug can contribute to cost savings for fleet operators over time.

Installation Process

Proper installation of the 3093966 Expansion Plug is crucial for ensuring its effectiveness. The process involves cleaning the opening to be sealed, ensuring it is free of debris and contaminants. The plug is then inserted into the opening, where it will expand to create a secure seal. It is important to follow manufacturer guidelines for installation to ensure the plug functions as intended.

Troubleshooting Common Issues

Common issues with expansion plugs may include leaks around the plug or difficulty in removal for maintenance or replacement. Troubleshooting these issues may involve inspecting the plug and the surrounding area for signs of damage or wear, ensuring the plug was installed correctly, and considering replacement if necessary. Regular maintenance and inspection can help identify potential issues before they lead to more significant problems.

Maintenance Tips

Regular maintenance of the 3093966 Expansion Plug is important for ensuring its longevity and optimal performance. This includes periodic inspection for signs of wear, corrosion, or leaks. Replacement guidelines should be followed to ensure the plug continues to provide an effective seal. Maintaining the surrounding areas clean and free of debris can also contribute to the plug’s performance and durability.

Cummins: A Brief 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 quality, Cummins has established a strong reputation in the commercial truck industry. The company’s product range includes a variety of components and systems designed to enhance the performance, efficiency, and reliability of commercial vehicles. The 3093966 Expansion Plug, as a Cummins product, benefits from the company’s commitment to quality and excellence in the automotive and heavy-duty truck sectors.

Compatibility of Expansion Plug Part 3093966 with Cummins Engines

The Expansion Plug part number 3093966, manufactured by Cummins, is designed to fit seamlessly with several of their engine models. This part is crucial for maintaining the integrity of the engine’s cooling system by preventing leaks and ensuring proper thermal expansion.

QST30 CM2350 and T101 Engines

The Expansion Plug part 3093966 is compatible with the QST30 CM2350 and T101 engines. These engines are part of Cummins’ QST30 series, known for their robust performance and reliability in various industrial applications. The part ensures that the cooling system can expand and contract without compromising the engine’s structural integrity.

QST30 CM552 Engine

Similarly, the QST30 CM552 engine also benefits from the use of the Expansion Plug part 3093966. This engine, like the CM2350 and T101, is designed to handle demanding conditions, and the expansion plug plays a vital role in maintaining the cooling system’s efficiency and longevity.

Grouping of Compatible Engines

The Expansion Plug part 3093966 is specifically engineered to fit the QST30 series engines, which includes the CM2350, T101, and CM552 models. This grouping ensures that the part is tailored to the unique design and operational requirements of these engines, providing a reliable solution for maintaining the cooling system’s performance.

Role of Part 3093966 Expansion Plug in Engine Systems

The Expansion Plug, identified by part number 3093966, is a component in various engine systems, ensuring the integrity and functionality of several key elements.

In the arrangement of engine components, the Expansion Plug plays a significant role by sealing off unused passages within the cylinder block. This ensures that fluids and gases remain within their designated pathways, preventing leaks and maintaining system efficiency.

During the oil fill process, the Expansion Plug helps maintain the correct oil level by sealing off any unnecessary openings. This ensures that the oil circulates effectively throughout the engine, lubricating moving parts and reducing wear.

The cylinder block relies on the Expansion Plug to maintain structural integrity. By sealing off unused ports, it prevents contaminants from entering the block and ensures that the internal passages remain clean and unobstructed.

In conjunction with the cylinder block hardware kit, the Expansion Plug ensures that all components are properly sealed and aligned. This is particularly important during installation and maintenance, as it helps prevent fluid leaks and ensures that the hardware kit functions as intended.

The gauge used to monitor oil level depends on the Expansion Plug to provide accurate readings. By sealing off irrelevant passages, the plug ensures that the gauge reflects the true oil level within the system, allowing for precise monitoring and maintenance.

When considering the package and product installation, the Expansion Plug simplifies the process by ensuring that all components are correctly sealed from the outset. This reduces the likelihood of installation errors and enhances the overall reliability of the engine system.

Conclusion

The Cummins 3093966 Expansion Plug is a vital component in the maintenance and operation of commercial trucks. Its role in sealing openings within engine and cooling systems ensures system integrity, prevents leaks, and contributes to the overall efficiency and reliability of the vehicle. Proper installation, regular maintenance, and understanding its compatibility with specific engine models are essential for maximizing the benefits of this Cummins part.