4900206
Expansion Plug
Cummins®

The Cummins 4900206 Expansion 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 key to maintaining the optimal performance of commercial vehicles.

Basic Concepts of Expansion Plugs

An expansion plug is a device used in various automotive and industrial applications to seal openings in systems where pressure or temperature variations occur. It functions by expanding when heated, creating a tight seal that prevents leaks and maintains system integrity. These plugs are commonly used in engine and cooling systems to manage fluid flow and pressure ¹.

Purpose of the 4900206 Expansion Plug

The 4900206 Expansion Plug plays a role in the operation of a truck by sealing specific points within the engine or cooling system. Its function is to ensure that fluids remain within the system under varying conditions, thus contributing to the efficient operation of the truck.

Key Features

This Cummins part is constructed from materials that can withstand high temperatures and pressures, ensuring durability and reliability. Its design includes elements that allow it to expand and contract with temperature changes, maintaining a secure seal. Unique characteristics such as corrosion resistance and precise engineering enhance its performance in demanding environments ².

Benefits

The use of the 4900206 Expansion Plug offers several benefits, including improved system integrity by preventing leaks, enhanced performance of the truck’s engine or cooling system, and increased longevity of the truck’s components due to its reliable sealing capabilities.

Installation Process

Proper installation of this part involves several steps to ensure a correct fit. This includes cleaning the installation site, applying the appropriate sealant if required, and using the correct tools to insert the plug. Following the manufacturer’s guidelines ensures the plug functions as intended.

Troubleshooting Common Issues

Common issues with expansion plugs may include leaks or malfunctions due to wear or improper installation. Troubleshooting steps involve inspecting the plug for signs of damage, ensuring it is correctly seated, and replacing it if necessary to restore system integrity.

Maintenance Tips

Regular maintenance of the 4900206 Expansion Plug is important for ensuring optimal performance. This includes periodic inspection for signs of wear or damage, cleaning the area around the plug, and replacing it according to the manufacturer’s recommendations or if any issues are detected.

Role in Engine or Cooling System

Within the engine or cooling system, the 4900206 Expansion Plug interacts with other components to maintain fluid levels and pressure. Its contribution to overall system efficiency is significant, as it helps to ensure that the system operates within designed parameters, enhancing the truck’s performance and reliability ³.

Compatibility with Various Engine Models

The 4900206 Expansion Plug is designed to fit seamlessly within a range of engine models, ensuring optimal performance and reliability. This part is integral to the engine’s cooling system, providing a critical seal that prevents coolant leaks and maintains system integrity.

A1400 and A1700 Engines

The A1400 and A1700 engines, both known for their robust construction and efficiency, are compatible with the 4900206 expansion plug. This part is engineered to fit precisely within the designated areas of these engines, ensuring a tight seal that is crucial for maintaining the engine’s operational temperature and preventing coolant loss.

A2000 and A2300 Engines

Similarly, the A2000 and A2300 engines benefit from the use of the 4900206 expansion plug. These engines, which are part of a series recognized for their power and durability, require a reliable expansion plug to manage the thermal expansion of the coolant. The 4900206 part is designed to fit these engines perfectly, providing the necessary seal to prevent leaks and maintain system pressure.

Grouping of Engines

When considering the compatibility of the 4900206 expansion plug, it is useful to group the engines based on their series and operational characteristics. The A1400 and A1700 engines, while differing in power output, share similar design elements that allow for the seamless integration of the 4900206 part. Likewise, the A2000 and A2300 engines, which are more powerful and feature advanced cooling systems, also accommodate this expansion plug with ease.

This compatibility ensures that technicians and maintenance personnel can confidently use the 4900206 expansion plug across multiple engine models, simplifying inventory management and reducing the need for multiple part numbers.

Role of Part 4900206 Expansion Plug in Engine Components

The 4900206 Expansion Plug is a component in the operation and maintenance of various engine systems. Its primary function is to seal and secure specific areas within the engine, ensuring optimal performance and longevity of the engine’s parts.

Integration with the Block

In the engine block, the 4900206 Expansion Plug is utilized to seal unused or non-functional ports. This prevents coolant or other fluids from leaking out, maintaining the integrity of the cooling system. By effectively sealing these ports, the plug helps in preserving the block’s structural integrity and ensures that the cooling system operates efficiently.

Function within the Cylinder

Within the cylinder, the 4900206 Expansion Plug plays a role in sealing off areas that are not in use. This is particularly important in multi-cylinder engines where certain cylinders may be deactivated under specific conditions to improve fuel efficiency. The plug ensures that these deactivated cylinders remain sealed, preventing any cross-contamination or fluid leakage that could affect the performance of active cylinders.

Importance in the Cylinder Block

The cylinder block, which houses the cylinders, relies on the 4900206 Expansion Plug to maintain a secure environment. By sealing off any unnecessary passages or ports, the plug contributes to the overall stability and efficiency of the cylinder block. This sealing function is vital for maintaining consistent pressure and fluid levels within the block, which is essential for the engine’s reliable operation.

Conclusion

In summary, the 4900206 Expansion Plug is a key component in ensuring the proper function and maintenance of the engine block, cylinder, and cylinder block. Its role in sealing and securing these areas contributes significantly to the engine’s overall performance and durability.