3029820
O Ring Seal
Cummins®

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Cummins®

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$4.39 $5.22

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

An O ring seal is a mechanical design used to support seals in static or dynamic applications. It is a type of toric gasket that forms a seal between two or more parts, preventing leakage from or into the joined areas 1. O ring seals are commonly used in various industries, including automotive and heavy-duty trucks, due to their versatility, reliability, and ease of use.

The Role of Cummins 3029820 O Ring Seal in Engines

The Cummins 3029820 O ring seal is a critical component in the operation of commercial trucks and heavy-duty vehicles. This seal is designed to prevent leaks in the engine, ensuring optimal performance and efficiency. It is typically used in conjunction with other engine components, such as the fuel injector and fuel pump, to maintain a tight seal and prevent the escape of fuel or other fluids 2.

How the Cummins 3029820 O Ring Seal Works

The Cummins 3029820 O ring seal works by compressing between two surfaces, creating a tight seal that prevents the passage of fluids or gases. The seal is made from a durable, high-quality material that is resistant to wear, heat, and chemical exposure, ensuring long-lasting performance and reliability. When properly installed, the O ring seal forms a barrier that prevents leaks, ensuring that the engine operates at peak efficiency 3.

Importance of the Cummins 3029820 O Ring Seal in Truck Operations

The Cummins 3029820 O ring seal plays a crucial role in the operation of commercial trucks and heavy-duty vehicles. By preventing leaks and maintaining a tight seal, the O ring seal ensures that the engine operates at peak efficiency, reducing the risk of breakdowns and costly repairs. Additionally, the O ring seal helps to maintain the integrity of the engine, preventing contamination and ensuring that the vehicle operates safely and reliably.

Troubleshooting and Maintenance of the Cummins 3029820 O Ring Seal

Proper maintenance and troubleshooting of the Cummins 3029820 O ring seal are essential to ensure optimal performance and longevity. Regular inspection of the seal for signs of wear, damage, or contamination is critical, as these issues can lead to leaks and other problems. If the seal is damaged or worn, it should be replaced immediately to prevent further issues.

In addition to regular inspection, proper installation and maintenance of the O ring seal are critical to ensure optimal performance. This includes using the correct installation techniques, ensuring that the seal is properly seated and compressed, and avoiding the use of harsh chemicals or abrasive materials that can damage the seal.

Cummins: A Leader in Commercial Truck Parts

Cummins is a leading manufacturer of commercial truck parts, including O ring seals, fuel injectors, and fuel pumps. With a reputation for quality, reliability, and innovation, Cummins is a trusted partner for commercial truck operators and fleet managers worldwide. Cummins’ commitment to excellence and customer satisfaction has earned the company a loyal following among engineers, mechanics, truck drivers, and fleet operators.

Cummins O Ring Seal 3029820 Compatibility

The Cummins O Ring Seal 3029820 is a versatile component designed to fit a variety of Cummins engines. This seal is crucial for maintaining the integrity of various systems within the engine, ensuring that there are no leaks or unwanted fluid loss. Below is a detailed breakdown of the engines with which this O Ring Seal is compatible.

B4.5 Series Engines

  • B4.5 CM2350 B129B
  • B4.5 RGT
  • ISB4.5 CM2350 B104

F3.8 Series Engines

  • F3.8 CM2350 F120B
  • F3.8 CM2350 F128C
  • F3.8 CM2620 F137B
  • F3.8 F102

F4.5 Series Engines

  • F4.5 CM2620 F139B
  • F4.5 CM2620 F141C

D4.0 Series Engines

  • D4.0 CM2620 D103B

ISF3.8 Series Engines

  • ISF3.8 CM2220 AN
  • ISF3.8 CM2220 F103
  • ISF3.8 CM2350 F109

ISF4.5 Series Engines

  • ISF4.5 CM2220 F123

ISB Series Engines

  • ISB CM550

ISC Series Engines

  • ISC CM554

ISL Series Engines

  • ISL CM554

ISBE Series Engines

  • ISBE CM800

ISV (Nissan) Series Engines

  • ISV (Nissan)

K Series Engines

  • K19
  • K38
  • K50

KTA19GC Series Engines

  • KTA19GC CM558

L10 Series Engines

  • L10 CELECT

This O Ring Seal is engineered to provide a tight, reliable seal in various applications across these engines, ensuring optimal performance and longevity.

Role of Part 3029820 O Ring Seal in Engine Systems

The part 3029820 O Ring Seal is instrumental in ensuring the integrity and efficiency of various engine systems. Its application spans across multiple components, providing essential sealing functions that prevent leaks and maintain system performance.

Sealing in the Bypass Valve Plunger

In the bypass valve plunger system, the O Ring Seal ensures that there are no unwanted leaks of fluid or air. This is vital for maintaining the correct pressure and flow within the system, which directly impacts the engine’s performance and reliability.

Integration with the Cylinder Head

When installed in the cylinder head, the O Ring Seal plays a key role in sealing the combustion chamber. This prevents any escape of gases, ensuring that the engine operates efficiently and that emissions are kept to a minimum.

Engine Cooling System

In the engine cooling system, the O Ring Seal is used to seal connections between the radiator, flexible hose, and other components. This ensures that the coolant remains contained within the system, allowing for effective heat dissipation and engine temperature regulation.

Engine Mounting and Lubricating Systems

For engine mounting components, the O Ring Seal helps in securing fittings and connections, reducing the risk of vibrations and leaks. In lubricating systems, such as the lube oil filter head and lubricating oil duplex filter, the seal ensures that oil remains within the system, providing consistent lubrication to moving parts.

Fuel Control Module and Hydraulic Systems

In the fuel control module, the O Ring Seal prevents fuel leaks, which is essential for safe and efficient engine operation. Similarly, in hydraulic systems, including the hydraulic fittings kit and hydraulic hoses kit, the seal ensures that hydraulic fluid is contained, maintaining system pressure and functionality.

Injector Plumbing and Turbocharger Arrangements

The O Ring Seal is also vital in injector plumbing, where it prevents fuel leaks and ensures precise fuel delivery. In turbocharger arrangements, including the turbocharger kit, the seal helps in maintaining the integrity of the system, ensuring optimal turbocharger performance.

Gasket Sets and Overhaul Kits

In gasket sets and overhaul kits, the O Ring Seal is often included to ensure that all connections are properly sealed during engine maintenance or repair. This is particularly important in upper engine gasket kits, where multiple seals are required to maintain engine efficiency.

Oil Separator Breather and Performance Parts

Finally, in the oil separator breather and various performance parts, the O Ring Seal ensures that all connections are secure, contributing to the overall performance and longevity of the engine.

Conclusion

The Cummins 3029820 O ring seal is a critical component in the operation of commercial trucks and heavy-duty vehicles. By preventing leaks and maintaining a tight seal, this part ensures that the engine operates at peak efficiency, reducing the risk of breakdowns and costly repairs. Proper maintenance and troubleshooting of the O ring seal are essential to ensure optimal performance and longevity, and Cummins is a trusted partner for commercial truck parts, providing high-quality, reliable, and innovative solutions for engineers, mechanics, truck drivers, and fleet operators.


  1. Hilgers, Michael. The Diesel Engine Second Edition. Springer Nature, 2023.

  2. Osgood, Libby, Gayla Cameron, and Emma Christensen. Engineering Mechanics: Statics. Creative Commons, 2024.

  3. Genta, Giancarlo, and Lorenzo Morello. The Automotive Chassis Volume 1 Components Design Mechanical Engineering Series 2nd Edition. Springer, 2019.

SPECIFICATIONS

Comments
Item Not Shown In Art.
Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
1.0 x 1.0 x 0.125 in
Weight
0.004 lbs
* 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.