3089392
O Ring Seal
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$5.49 $6.53

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

Introduction To O Ring Seals

O ring seals, commonly referred to as O-rings, are indispensable in various mechanical systems, particularly in commercial trucks. These circular elastomeric seals are engineered to prevent leaks and maintain pressure in joints, which is crucial for the operation of engines and other machinery. O rings are typically crafted from materials such as nitrile, silicone, or fluorocarbon, selected for their resilience to temperature, pressure, and chemical exposure 1.

The Role Of The Cummins 3089392 O Ring Seal

The Cummins 3089392 O Ring Seal is specifically tailored for use in Cummins engines, which are celebrated for their reliability and performance in commercial trucks. This O ring seal is pivotal in ensuring that the engine operates efficiently and safely. It is commonly employed in areas where a tight seal is necessary to prevent leaks of critical fluids such as oil, coolant, or fuel. The seal’s primary function is to preserve the integrity of the engine’s internal systems by preventing the escape of these vital fluids 2.

How The Cummins 3089392 O Ring Seal Works

The Cummins 3089392 O Ring Seal functions by creating a static seal between two surfaces. When compressed between these surfaces, the O ring deforms to fill any gaps, forming a barrier that prevents the passage of fluids. This seal is engineered to withstand high pressures and temperatures, ensuring that it remains effective over time. The O ring’s material composition is crucial, as it must be capable of resisting the specific conditions it will encounter within the engine 3.

Importance Of The Cummins 3089392 O Ring Seal In Truck Operations

In the realm of commercial trucks, the Cummins 3089392 O Ring Seal is indispensable for several reasons. Firstly, it helps maintain the engine’s efficiency by preventing leaks that could result in a loss of pressure or contamination of engine fluids. Secondly, it contributes to the longevity of the engine by shielding it from the detrimental effects of leaks, such as corrosion and wear. Lastly, it ensures the safety of the vehicle and its occupants by preventing leaks that could lead to hazardous situations, such as fires or loss of control.

Troubleshooting And Maintenance Of The Cummins 3089392 O Ring Seal

Regular inspection and maintenance of the Cummins 3089392 O Ring Seal are vital to ensure its continued effectiveness. Mechanics and fleet operators should routinely check the seal for signs of wear, such as cracks, deformation, or a loss of elasticity. If any of these signs are detected, the O ring should be replaced immediately to prevent leaks and potential engine damage. Additionally, it is crucial to ensure that the O ring is correctly installed and seated in its groove to achieve the optimal seal.

Cummins: A Leader In Engine Technology

Cummins is a global leader in the design and manufacture of engines and related technologies. With a reputation for innovation and quality, Cummins engines are extensively used in commercial trucks, construction equipment, and power generation systems. The company’s dedication to research and development has resulted in engines that are not only powerful and reliable but also environmentally friendly, meeting stringent emissions standards.

Cummins Engine O Ring Seal 3089392 Compatibility

The O Ring Seal part number 3089392, manufactured by Cummins, is designed to fit a variety of Cummins engines. This seal is crucial for maintaining the integrity of fluid systems by preventing leaks in critical areas. Below is a detailed overview of the engines that are compatible with this O Ring Seal.

Cummins ISB Series Engines

  • ISB CM2150
  • ISB6.7 CM2250
  • ISB6.7 CM2350 B101
  • ISB6.7 CM2350 X101

The ISB series engines are known for their robust performance and reliability, commonly used in heavy-duty applications. This Cummins part fits seamlessly into these engines, ensuring that seals and gaskets maintain their effectiveness over time.

Cummins ISX Series Engines

  • ISX CM570
  • ISX CM870
  • ISX CM871
  • ISX15 CM2250
  • ISX15 CM2250 SN
  • ISX15 CM2350 X101

The ISX series engines are designed for high-performance applications, often found in commercial and industrial sectors. The O Ring Seal 3089392 is engineered to fit these engines, providing a reliable seal that is critical for maintaining engine efficiency and longevity.

Cummins ISM Series Engines

  • ISM CM570
  • ISM CM570/870
  • ISM CM876

The ISM series engines are typically used in medium-duty applications, offering a balance between power and fuel efficiency. The O Ring Seal 3089392 is compatible with these engines, ensuring that the seals remain intact and functional.

Cummins ISL Series Engines

  • ISL9 CM2150 SN

The ISL series engines are known for their high torque and power output, commonly used in heavy-duty applications. The O Ring Seal 3089392 is designed to fit the ISL9 CM2150 SN engine, providing a reliable seal that helps maintain engine performance.

Cummins ISC Series Engines

  • ISC CM850

The ISC series engines are typically used in medium-duty applications, offering a balance between power and fuel efficiency. The O Ring Seal 3089392 is compatible with the ISC CM850 engine, ensuring that the seals remain intact and functional.

Cummins ISG Series Engines

  • ISG12 CM2880 G107

The ISG series engines are designed for high-performance applications, often found in commercial and industrial sectors. The O Ring Seal 3089392 is engineered to fit these engines, providing a reliable seal that is critical for maintaining engine efficiency and longevity.

Cummins ISV Series Engines

  • ISV (Nissan)

The ISV series engines are known for their reliability and efficiency, commonly used in various applications. The O Ring Seal 3089392 is compatible with the ISV (Nissan) engine, ensuring that the seals remain intact and functional.

Cummins K Series Engines

  • K38
  • K50

The K series engines are typically used in medium-duty applications, offering a balance between power and fuel efficiency. The O Ring Seal 3089392 is compatible with these engines, ensuring that the seals remain intact and functional.

Cummins KTA Series Engines

  • KTA38GC CM558

The KTA series engines are designed for high-performance applications, often found in commercial and industrial sectors. The O Ring Seal 3089392 is engineered to fit these engines, providing a reliable seal that is critical for maintaining engine efficiency and longevity.

This comprehensive compatibility list ensures that users can confidently select the O Ring Seal 3089392 for their specific Cummins engine, knowing it is designed to fit and perform optimally.

Role of Part 3089392 O Ring Seal in Engine Systems

The Part 3089392 O Ring Seal is instrumental in ensuring the integrity and efficiency of various engine systems by providing reliable sealing solutions. Its application spans across multiple components, enhancing their performance and longevity.

Adapter Connection

In the adapter connection, the O Ring Seal ensures a tight seal between mating surfaces, preventing leaks of fluids or gases. This is particularly important in systems where precise fluid dynamics are required.

Compressed Air Filter

Within the compressed air filter system, the O Ring Seal maintains the airtight integrity of the filter housing. This ensures that the air entering the engine is clean and free from contaminants, which is vital for engine performance and longevity.

Engine Cooling System

The engine cooling system relies on the O Ring Seal to prevent coolant leaks. This is essential for maintaining optimal engine temperature, which directly affects engine efficiency and prevents overheating.

Engine Lubricating Primer

In the engine lubricating primer, the O Ring Seal ensures that the lubricant is delivered without leaks, providing consistent lubrication to engine components. This reduces wear and tear, enhancing the engine’s operational lifespan.

Engineering/Air Handling Gasket Set

The O Ring Seal complements the engineering/air handling gasket set by offering additional sealing at critical points. This ensures that air pathways remain unobstructed and free from leaks, which is crucial for efficient air handling within the engine.

Exhaust Recirculation

For the exhaust recirculation system, the O Ring Seal helps in maintaining the seal at connection points. This ensures that recirculated exhaust gases are effectively managed, contributing to reduced emissions and improved engine performance.

Fuel Drain Plumbing

In the fuel drain plumbing, the O Ring Seal prevents fuel leaks, ensuring safe and efficient fuel management. This is important for maintaining the integrity of the fuel system and preventing hazardous situations.

Fuel Pump

The fuel pump relies on the O Ring Seal to maintain a seal at various connection points. This ensures that fuel is delivered consistently and without leaks, which is essential for engine performance.

Fuel Pump Drive

In the fuel pump drive system, the O Ring Seal ensures that all connections are sealed, preventing any loss of drive efficiency and ensuring that the fuel pump operates smoothly.

ISM Burn-Only Val/Mtg and ISM Valve & Mounting Kits

These kits utilize the O Ring Seal to ensure that all valve and mounting connections are leak-free. This is important for the precise operation of the ISM system, enhancing engine performance.

QST30 Centinel Kit

The QST30 Centinel Kit uses the O Ring Seal to maintain seals at critical points, ensuring the system operates efficiently and without leaks.

Lower Accessory Gasket Set

In the lower accessory gasket set, the O Ring Seal provides additional sealing, ensuring that all lower accessories are securely attached and operate without leaks.

Lubricating Oil Pressure System

The lubricating oil pressure system depends on the O Ring Seal to maintain pressure integrity and prevent oil leaks. This ensures consistent lubrication across engine components.

Male Union Tee

The male union tee utilizes the O Ring Seal to ensure a tight connection, preventing leaks in fluid or gas lines.

N14 12V Pressure-Time Centinel Kit and N14 24V Hardware-Pressure-Time Valve/Mounting Kit

These kits rely on the O Ring Seal to maintain seals at various connection points, ensuring efficient operation of the pressure-time systems.

O Ring Adapter

The O Ring Adapter itself often incorporates the O Ring Seal to ensure a perfect fit and seal in various applications, enhancing the adapter’s functionality.

Oil Replenishing System

In the oil replenishing system, the O Ring Seal ensures that oil is delivered and replenished without leaks, maintaining the system’s efficiency.

Radiator Plumbing

The radiator plumbing system uses the O Ring Seal to prevent coolant leaks, ensuring that the radiator operates efficiently and maintains optimal engine temperature.

Rear Gear Train Accessory Drive

In the rear gear train accessory drive, the O Ring Seal ensures that all connections are sealed, preventing lubricant loss and ensuring smooth operation of the gear train.

Solenoid Support

The solenoid support system utilizes the O Ring Seal to maintain seals at connection points, ensuring efficient solenoid operation.

Threaded Plug

The threaded plug often incorporates the O Ring Seal to ensure a tight fit and prevent leaks, enhancing the plug’s sealing capability.

Turbocharger

In the turbocharger system, the O Ring Seal ensures that all connections are sealed, preventing leaks and ensuring efficient turbocharger operation.

Water Outlet Connection

The water outlet connection relies on the O Ring Seal to prevent coolant leaks, ensuring that the water outlet operates efficiently and maintains optimal engine temperature.

Conclusion

The Cummins 3089392 O Ring Seal is a critical component in ensuring the efficient and safe operation of Cummins engines in commercial trucks. Understanding its function, importance, and maintenance requirements is essential for engineers, mechanics, and fleet operators. By adhering to proper maintenance practices and utilizing high-quality components like the Cummins 3089392 O Ring Seal, the reliability and performance of commercial trucks can be significantly enhanced.


  1. Huzij, R., Spano, A., & Bennett, S. (2019). Modern Diesel Technology: Heavy Equipment Systems. Cengage Learning.

  2. Hilgers, M. (2023). Entire Vehicle: Second Edition. Springer Nature.

  3. Fehan, D. R. (2013). Design of Racing and High-Performance Engines 2004-2013. SAE International.

SPECIFICATIONS

Weight
0.001 lbs
Comments
Item Not Shown In Art.
Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
0.5 x 0.5 x 0.025 in
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.