3032874
O Ring Seal
Cummins®

The 3032874 O Ring Seal is a component manufactured by Cummins, designed for use in commercial trucks. This article provides an overview of the O Ring Seal, its function, key features, benefits, and maintenance suggestions.

Understanding O Ring Seals

An O Ring Seal is a type of gasket consisting of a jointless ring of elastomer with a round cross-section. It is used to create a seal between two or more parts. The O Ring operates by being compressed between flanges or in a groove, creating a seal that prevents the passage of fluids or gases ¹.

Role of the 3032874 O Ring Seal in Truck Operation

This Cummins part plays a role in maintaining the integrity of fluid systems within a truck. It is used in various applications where sealing is required to prevent leaks and ensure efficient operation of the system.

Key Features

• Made from durable elastomer materials to withstand high pressure and temperature.
• Designed to fit specific applications within Cummins engines and related systems.
• Provides a reliable seal in dynamic and static applications.

Benefits

• Enhances the reliability of fluid systems by preventing leaks.
• Contributes to the efficient operation of the truck’s engine and other systems.
• Designed for longevity and resistance to wear and degradation.

Troubleshooting and Maintenance

Regular inspection of the O Ring Seal is recommended to ensure it remains in good condition. Signs of wear, such as cracks or deformation, may indicate the need for replacement. Proper installation techniques should be followed to ensure the seal functions correctly ².

About Cummins

Cummins Inc. is a corporation of complementary business units that design, manufacture, and distribute a full lineup of power solutions, including engines, related technologies, and services. Cummins serves customers in approximately 190 countries and territories through a network of more than 600 company-owned and independent distributor facilities and more than 7,200 dealer locations.

Cummins Part 3032874 O Ring Seal Compatibility

This Cummins part is a component used in various engine models. This O Ring Seal is designed to provide a reliable seal in high-pressure and high-temperature environments, ensuring the integrity of the engine’s systems.

G855 Series Engines

The O Ring Seal fits seamlessly within the G855 engine series, including:

• G855
• G855 CM558
• GTA855 CM558 (CM2358)
• G101

These engines benefit from the O Ring Seal’s ability to maintain pressure and prevent leaks, contributing to overall engine efficiency and longevity.

N14 Series Engines

The part 3032874 O Ring Seal is also compatible with the N14 engine series, which includes:

• N14 CELECT
• N14 CELECT PLUS
• N14 G
• N14 MECHANICAL

In these engines, the O Ring Seal ensures that critical components remain sealed, preventing any potential contamination or loss of pressure.

NH/NT 855 Series Engines

The NH/NT 855 engine series also utilizes the Cummins part 3032874 O Ring Seal, ensuring that:

• NH/NT 855

This engine model relies on the O Ring Seal to maintain its operational integrity, particularly in high-stress environments.

QSN14 Series Engines

The QSN14 engines, which include:

• QSN14 CM876 N103
• QSNT14 CM876 N102

also incorporate the O Ring Seal. This part is crucial for maintaining the seal in these engines, ensuring they operate efficiently and reliably.

V28 Engine

The V28 engine is another model that utilizes the Cummins part 3032874 O Ring Seal. This engine benefits from the O Ring Seal’s ability to provide a tight seal, preventing leaks and ensuring optimal performance.

Role of Part 3032874 O Ring Seal in Engine Systems

This part is a component in maintaining the integrity and efficiency of various engine systems. Its application spans across multiple engine components, ensuring optimal performance and longevity.

Integration with Cylinder and Block Components

In the Cylinder Block Kit and Cylinder O/S Kit, the O Ring Seal is utilized to create a tight seal between the cylinder block and other mating surfaces. This prevents any leakage of fluids or gases, which is vital for maintaining the engine’s compression and efficiency.

For the Short Block and Short Block Assembly Kit, the O Ring Seal plays a significant role in sealing the connections between the engine block and cylinder liners. This ensures that the combustion process is contained within the cylinders, enhancing engine performance and reducing the risk of damage from leaks.

Application in Overhaul and Spares Kits

Within the Engine Overhaul Kit and Engine Spares Kit, the O Ring Seal is a key component for replacing worn-out seals during maintenance procedures. Its proper installation is essential for restoring the engine to its original sealing capabilities, which is fundamental for reliable operation post-overhaul.

In the On Board Spares Kit and Onboard Spares Kit, the O Ring Seal is included as a critical spare part. This allows for quick replacements in the field, minimizing downtime and ensuring that the engine maintains its sealing integrity throughout its operational life.

Use in Specific Engine Components

The Fuel Pump Gasket Set and Gasket Set Engine often incorporate the O Ring Seal to ensure that fuel lines and other fluid pathways remain sealed. This is important for maintaining the correct fuel pressure and preventing any fuel leaks, which are hazardous and can affect engine performance.

In the Kit O Ring Cylinder Liners and Packing Cylinder Liner Kit, the O Ring Seal is used to secure the cylinder liners within the engine block. This is essential for maintaining the precise alignment and sealing of the liners, which directly impacts the engine’s combustion efficiency.

Role in PDC and Liner Kits

For the Kit PDC (Piston/Liner) and Liner Kit, the O Ring Seal is employed to ensure that the piston and liner assemblies are properly sealed. This is important for preventing any bypassing of combustion gases, which can lead to loss of power and increased wear on engine components.

Conclusion

Understanding the application and importance of the O Ring Seal in these various engine components is essential for engineers and mechanics. Proper installation and maintenance of this seal will contribute significantly to the overall performance and reliability of the engine systems ³.