175831
Expansion Plug
Cummins®

Introduction

The Cummins 175831 Expansion Plug is a component designed for use in commercial trucks. Its purpose is to seal and maintain the integrity of various systems within these vehicles. This part is significant in ensuring the proper operation and longevity of truck systems by preventing leaks and maintaining pressure ¹.

Purpose and Function

The primary function of the 175831 Expansion Plug is to provide a secure seal in systems where pressure or fluid containment is necessary. It plays a role in maintaining system integrity by preventing the escape of fluids or gases, which could lead to system failure or reduced efficiency. This plug is typically used in applications where expansion and contraction of fluids occur due to temperature changes ².

Key Features

The 175831 Expansion Plug is characterized by its robust design and the materials used in its construction. It is made from high-quality materials that offer resistance to corrosion and wear, ensuring durability in demanding environments. The plug’s design allows it to expand and contract with the system it is installed in, providing a tight seal under varying conditions ³.

Benefits

The use of the 175831 Expansion Plug offers several benefits. It contributes to improved system reliability by ensuring that seals remain intact under pressure. This can lead to enhanced safety for the vehicle’s operators and passengers. Additionally, by preventing leaks and maintaining system efficiency, it can result in potential cost savings for fleet operators through reduced maintenance and repair needs.

Installation Process

Proper installation of the 175831 Expansion Plug is crucial for its effectiveness. The process involves cleaning the installation site to ensure a smooth surface, using the appropriate tools to insert the plug, and verifying that it is seated correctly. Best practices include checking for any signs of damage before installation and ensuring that the plug is compatible with the system it will be used in.

Troubleshooting Common Issues

Common issues with expansion plugs include leaks and improper seating. To address these problems, it is important to inspect the plug and the installation site for any signs of wear or damage. If a leak is detected, the plug may need to be replaced or reseated. Ensuring that the plug is the correct size and type for the application can help prevent these issues.

Maintenance Tips

Regular maintenance of the 175831 Expansion Plug is important for its longevity and effectiveness. This includes periodic inspections to check for signs of wear or damage and ensuring that the plug remains securely in place. Replacement guidelines should be followed to ensure that the plug is changed out before it fails, which can help maintain system integrity and prevent unexpected downtime.

Manufacturer Information - Cummins

Cummins is a well-established manufacturer in the automotive and heavy-duty truck industry. With a history of innovation and a commitment to quality, Cummins has built a reputation for producing reliable and high-performance components. Their expansion plugs, including the 175831, are designed with the expertise and quality control that Cummins is known for, making them a trusted choice for commercial truck applications.

Compatibility of Cummins Expansion Plug Part 175831 with Various Engines

The Cummins Expansion Plug part number 175831 is designed to fit seamlessly with a variety of engine models, ensuring optimal performance and reliability. This part is engineered to meet the specific needs of each engine, providing a critical function in the overall system.

K19 and L10 MECHANICAL Engines

The K19 and L10 MECHANICAL engines benefit from the precise fit of the expansion plug, which helps maintain the structural integrity of the engine block. This is particularly important in these engines, where the mechanical components are highly sensitive to thermal expansion and contraction.

N14 CELECT and N14 MECHANICAL Engines

For the N14 CELECT and N14 MECHANICAL engines, the expansion plug part 175831 is integral to the cooling system. It ensures that the engine block can expand and contract without compromising the seal, which is crucial for maintaining coolant pressure and preventing leaks.

NH/NT 855 Engines

In the NH/NT 855 engines, the expansion plug plays a vital role in the cooling system’s efficiency. The part is designed to fit perfectly, allowing for smooth thermal expansion and contraction, which helps in maintaining the engine’s operational temperature and longevity.

V28 and V903 Engines

The V28 and V903 engines also rely on the expansion plug part 175831 to ensure that the engine block can handle thermal stresses without failure. This part is crucial in maintaining the engine’s structural integrity and preventing any potential damage caused by thermal expansion.

Each of these engines, despite their differences, shares a common requirement for the expansion plug to function correctly. The part 175831 is meticulously designed to fit these engines, ensuring that they operate at peak efficiency and reliability.

Role of Part 175831 Expansion Plug in Engine Systems

The part 175831 Expansion Plug is integral to the functionality and maintenance of various engine components. Its role can be observed across a spectrum of engine systems, ensuring optimal performance and safety.

Base Parts and Subbase

In the foundational structure of an engine, the base parts and subbase require precise sealing to prevent coolant or oil leaks. The Expansion Plug aids in maintaining the integrity of these components by providing a secure seal in areas where expansion and contraction occur due to thermal changes.

Cam Follower Assembly and Housing

The cam follower assembly, including the cam follower housing and the top-level assembly housing, relies on the Expansion Plug to seal off any unnecessary passages. This ensures that lubricants remain within the system, reducing friction and wear on the cam and follower components.

Carbon Follower Assembly Housing and CFLR Kit

Within the carbon follower assembly housing and the CFLR kit, the Expansion Plug plays a role in preventing the ingress of contaminants. This is particularly important in high-performance engines where precision and cleanliness are paramount for efficiency and longevity.

Cylinder Block and V-12 Block

In the cylinder block and the more complex V-12 block, the Expansion Plug is used to seal off coolant passages that are not in use. This helps in managing the flow of coolant to active areas, enhancing the engine’s thermal management.

Gear Cover and Conv. Gear Cover

The gear cover and its conventional counterpart benefit from the Expansion Plug by ensuring that gear oil is contained within the system. This is essential for the lubrication of gears and other moving parts within the cover, preventing metal-to-metal contact and subsequent wear.

Lubricating Oil Filter Head and Pump

In the lubricating oil filter head and the oil pump, the Expansion Plug is utilized to seal off areas that do not require oil flow. This ensures that the oil system operates efficiently, with oil being directed only to areas that need lubrication.

Fuel Injection Pump and Water Pump Body

For the fuel injection pump and the water pump body, the Expansion Plug is employed to maintain the integrity of the system by sealing off any non-operational passages. This is vital for the consistent delivery of fuel and the efficient circulation of coolant, respectively.

Turbocharger Drain Kit and Recirculation Exhaust

In the turbocharger drain kit and the recirculation exhaust system, the Expansion Plug helps in managing the flow of fluids and gases. It ensures that only the intended paths are utilized, which is essential for the turbocharger’s efficiency and the engine’s emission control.

Engine Barring and Short-Service Block

During engine barring or when using a short-service block, the Expansion Plug is used to seal off areas that are not in use during these operations. This is important for maintaining the engine’s structural integrity and preventing fluid loss during maintenance procedures.

Rocker Lever and Drive Components

The rocker lever and drive components of an engine also benefit from the use of the Expansion Plug. It ensures that lubricants are kept within the system, reducing the risk of component failure due to inadequate lubrication.

Conclusion

In summary, the part 175831 Expansion Plug is a versatile component that enhances the functionality and reliability of various engine systems by providing essential sealing in areas subject to thermal expansion and contraction.