109080
O Ring Seal
Cummins®

The 109080 O Ring Seal, produced by Cummins, is a critical component designed to ensure the integrity of seals in various applications within commercial trucks. Its purpose is to prevent leaks and maintain system efficiency, contributing to the reliable operation of truck systems by ensuring that fluids and gases remain contained within their designated pathways ³.

Basic Concepts of O Ring Seals

An O Ring Seal is a type of gasket shaped like a torus (a doughnut shape) designed to create a seal between two or more parts. Its structure is simple yet effective, relying on its elasticity to conform to the surfaces it seals against. Materials commonly used for O Ring Seals include rubber, silicone, and fluorocarbons, each offering different properties suitable for various applications. The function of an O Ring Seal is to provide a barrier that prevents the escape of fluids or gases, ensuring that systems operate under the correct pressure and without contamination ¹.

Role of the 109080 O Ring Seal in Truck Operation

This Cummins part plays a specific role in the operation of commercial trucks by ensuring the integrity of seals in critical systems. It is applied in areas where fluid or gas containment is necessary, such as in fuel systems, hydraulic systems, and engine compartments. By supporting these systems, the O Ring Seal helps maintain the efficiency and reliability of truck operations, preventing leaks that could lead to system failures or inefficiencies ⁴.

Key Features

The 109080 O Ring Seal is characterized by its design and material properties, which are tailored to meet the demanding conditions of commercial truck environments. Its design ensures a snug fit in the application areas, while its material properties provide durability and resistance to various operating conditions, including temperature fluctuations, chemical exposure, and mechanical stress. Unique characteristics of this O Ring Seal may include specific durometer ratings for optimal elasticity and compression set resistance, ensuring long-term performance ².

Benefits

This part offers several benefits, including improved sealing efficiency, which helps maintain system pressures and prevent leaks. Its durability ensures a long service life, reducing the need for frequent replacements. Additionally, its resistance to various operating conditions, such as temperature extremes and chemical exposure, enhances its reliability in commercial truck applications ³.

Troubleshooting and Maintenance

To ensure the longevity and reliable performance of the 109080 O Ring Seal, it is important to be aware of common issues and their signs. Wear and failure modes can include hardening, cracking, or deformation of the seal, which may lead to leaks or system inefficiencies. Recommended maintenance practices include regular inspection for signs of wear, proper installation to avoid damage, and replacement according to manufacturer guidelines or when signs of degradation are observed ³.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a history of innovation and a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, reliability, and performance. The company’s product range includes components and systems designed to enhance the efficiency, reliability, and sustainability of commercial vehicles ⁴.

Cummins O Ring Seal Part 109080 Compatibility

This Cummins part is a critical component designed to ensure sealing integrity in various engine systems. It is compatible with a wide range of Cummins engines, providing essential sealing functions that help maintain performance and efficiency.

ISM Series Engines

• ISM CM570
• ISM CM570/870
• ISM CM876
• ISM11 CM876 SN

The ISM series engines, including the CM570, CM570/870, CM876, and ISM11 CM876 SN, utilize the O Ring Seal in various sealing applications. This ensures that critical components remain sealed, preventing leaks and maintaining operational efficiency.

ISX Series Engines

• ISX CM870

The ISX CM870 engine also incorporates the O Ring Seal. This part is essential in maintaining the integrity of the engine’s sealing systems, contributing to the overall reliability and performance of the engine.

L10 Series Engines

• L10 CELECT
• L10 GAS

The L10 CELECT and L10 GAS engines both use the O Ring Seal. This seal is crucial in ensuring that the engine’s systems are properly sealed, which is vital for maintaining performance and preventing leaks.

M11 Series Engines

• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL

The M11 series engines, including the CELECT, CELECT PLUS, and MECHANICAL variants, rely on the O Ring Seal. This part is integral to the sealing systems of these engines, ensuring that they operate efficiently and reliably.

N14 Series Engines

• N14 CELECT
• N14 CELECT PLUS
• N14 MECHANICAL

The N14 series engines, such as the CELECT, CELECT PLUS, and MECHANICAL versions, also use the O Ring Seal. This seal plays a crucial role in maintaining the sealing integrity of these engines, which is essential for their performance and longevity.

NH/NT Series Engines

• NH/NT 855

The NH/NT 855 engine incorporates the O Ring Seal. This seal is vital for ensuring that the engine’s sealing systems are effective, contributing to the engine’s overall reliability and efficiency.

QSK Series Engines

• QSK60 G CM2358 K110
• QSK60G
• QSM11 CM570
• QSM11 CM876
• QSN14 CM876 N103

The QSK series engines, including the QSK60 G CM2358 K110, QSK60G, QSM11 CM570, QSM11 CM876, and QSN14 CM876 N103, all utilize the O Ring Seal. This seal is essential for maintaining the sealing integrity of these engines, ensuring they operate efficiently and reliably.

The O Ring Seal part 109080 is a versatile and essential component in Cummins engines, providing critical sealing functions that help maintain performance and efficiency across a wide range of engine models ⁴.

Role of Part 109080 O Ring Seal in Engine Systems

The 109080 O Ring Seal is integral to maintaining the integrity and efficiency of various engine systems by ensuring proper sealing and preventing leaks. Here’s how it fits with the provided components:

• Adapter Connection: The O Ring Seal is used to create a tight seal between the adapter and the connected components, ensuring no fluid or gas escapes.

• Aftercooler Cooler Conversion Kit: In this kit, the O Ring Seal helps in sealing the connections between the aftercooler and other components, maintaining the efficiency of the cooling process.

• Air Intercooler: The seal is employed to ensure that the air passing through the intercooler remains contained, optimizing the cooling effect on the air before it enters the engine.

• Engine Oil Cooler: Here, the O Ring Seal plays a role in sealing the connections to prevent oil leaks, which is essential for maintaining the lubrication system’s integrity.

• Engine Overhaul Kit: During an engine overhaul, the O Ring Seal is replaced to ensure all connections are properly sealed, contributing to the engine’s overall performance and longevity.

• Kit Gasket: The O Ring Seal complements the gasket kit by providing additional sealing at dynamic or hard-to-seal points.

• On Board Spares Kit: Included in the on-board spares kit, the O Ring Seal is a vital component for quick repairs and maintenance, ensuring the engine system remains operational.

• PDC (Piston/Liner) Kit: Although primarily focused on the piston and liner, the O Ring Seal may be used in associated systems to ensure no leaks occur around the PDC components.

• W.P. Repair <Major>: In major water pump repairs, the O Ring Seal is used to ensure the pump’s connections are sealed, preventing coolant leaks.

• Lubricating Oil (Top Level Assembly) Cooler: The seal is critical in maintaining the integrity of the cooling system for the lubricating oil, ensuring efficient heat dissipation.

• Lubricating Oil Pump: The O Ring Seal helps in sealing the pump’s connections, ensuring the lubricant is delivered without leaks.

• Noise Intake Manifold: Used to seal connections in the intake manifold, reducing the risk of air leaks that could affect engine performance and noise levels.

• Oil (Top Level Assembly) Cooler: Ensures the oil cooler system remains sealed, maintaining the efficiency of the cooling process.

• Oil Cooler Kit: The seal is used throughout the kit to ensure all connections are leak-proof, enhancing the cooler’s performance.

• Oil Filter Cooler Head: Seals the connections to the cooler head, preventing oil leaks and ensuring the cooling system functions correctly.

• Overhaul Gasket Set: The O Ring Seal is part of the overhaul gasket set, providing additional sealing where traditional gaskets may not suffice.

• Particulate Trap System: Ensures the system remains sealed, preventing the escape of particulates and maintaining the system’s efficiency.

• Rear Water Tube: Seals the connections in the rear water tube, preventing coolant leaks and ensuring the cooling system’s integrity.

• Thermostat Housing Mounting: Seals the connections at the thermostat housing, ensuring the thermostat functions correctly without leaks.

• Turbocharger Coolant Plumbing: The O Ring Seal is used to ensure the coolant lines to the turbocharger are sealed, preventing leaks and maintaining cooling efficiency.

• Turbocharger Intercooler Gasket Kit: Seals the connections in the intercooler, ensuring the turbocharger system operates efficiently.

• Upper Engine Gasket Kit: The O Ring Seal complements the gasket kit by providing additional sealing at critical points in the upper engine assembly ³.

Conclusion

The 109080 O Ring Seal is a vital component in ensuring the reliability and efficiency of commercial truck systems. By preventing leaks and maintaining system integrity, this part contributes to the overall performance and longevity of truck operations. Regular maintenance and proper installation are essential to maximize the benefits of this Cummins part, ensuring it continues to perform effectively in demanding commercial truck environments ³⁴.