3558861
Compression Piston Ring
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$44.95 $53.49

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

The Cummins 3558861 Compression Piston Ring is a component designed for use in heavy-duty truck engines. Its purpose is to enhance the efficiency and performance of the engine by ensuring effective compression of the air-fuel mixture within the combustion chamber. This part plays a significant role in maintaining the engine’s operational integrity and contributes to the overall reliability and efficiency of heavy-duty trucks 1.

Basic Concepts of Compression Piston Rings

Compression piston rings are vital components in internal combustion engines. Their primary function is to create a seal between the piston and the cylinder wall, which is essential for maintaining the compression of the air-fuel mixture during the combustion process. By providing a tight seal, these rings help to maximize engine efficiency and performance, ensuring that the combustion process is as effective as possible. They also play a role in controlling oil consumption by preventing excessive oil from entering the combustion chamber 2.

Role of the 3558861 Compression Piston Ring in Truck Operation

The Cummins 3558861 Compression Piston Ring is specifically engineered to enhance the operation of truck engines. It contributes to combustion efficiency by ensuring that the air-fuel mixture remains compressed until the optimal moment for ignition. This precise control over compression leads to more efficient fuel combustion, which in turn enhances engine performance. The ring’s design also helps in reducing oil consumption and minimizing emissions, making it a valuable component in the pursuit of both efficiency and environmental compliance in heavy-duty truck engines 3.

Key Features of the 3558861 Compression Piston Ring

The Cummins 3558861 Compression Piston Ring is characterized by several key features that enhance its performance and durability. It is made from high-quality materials that are resistant to wear and thermal stress, ensuring longevity under the demanding conditions of heavy-duty truck operation. The ring’s design includes precise tolerances and a specialized coating that reduces friction and wear, contributing to its effectiveness in sealing the combustion chamber. Additionally, its construction allows for optimal expansion and contraction, accommodating the dynamic environment within the engine.

Benefits of Using the 3558861 Compression Piston Ring

Utilizing the Cummins 3558861 Compression Piston Ring offers several benefits. It contributes to improved engine efficiency by ensuring effective compression of the air-fuel mixture, leading to more complete combustion and better fuel economy. The ring’s design also aids in reducing emissions, aligning with environmental regulations. Furthermore, its durable construction enhances the engine’s longevity, providing reliable performance over extended periods. These attributes make the 3558861 Compression Piston Ring a valuable component for maintaining and enhancing the performance of heavy-duty truck engines.

Troubleshooting and Maintenance Suggestions

To ensure the optimal performance of the Cummins 3558861 Compression Piston Ring, regular maintenance and inspection are recommended. Common issues such as oil consumption or reduced engine efficiency may indicate problems with the piston rings. Inspecting the rings for signs of wear or damage during routine engine maintenance can help identify potential issues early. If replacement is necessary, following manufacturer guidelines for installation ensures the ring functions correctly within the engine. Additionally, maintaining proper engine lubrication and operating conditions contributes to the longevity and effectiveness of the compression piston rings.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and related technologies. With a history spanning over a century, Cummins has established a reputation for quality, reliability, and innovation in the automotive and heavy-duty truck industry. The company’s product range includes engines and components designed for efficiency, durability, and performance, making Cummins a trusted name among professionals in the transportation and industrial sectors.

Understanding the Integration of Part 3558861 Compression Piston Ring in Engine Systems

When integrating the part 3558861 Compression Piston Ring into engine systems, it is essential to grasp its interaction with other components to ensure optimal performance and efficiency. This component is designed to work in harmony with the Compressor Piston Kit and the Compressor Ring Set, playing a significant role in the overall functionality of the engine.

Interaction with Compressor Piston Kit

The Compressor Piston Kit is a comprehensive assembly that includes the piston, connecting rod, and various other components necessary for the piston’s operation. The part 3558861 Compression Piston Ring fits snugly into grooves on the outer diameter of the piston within this kit. Its primary function is to create a seal between the piston and the cylinder wall, which is vital for maintaining compression within the combustion chamber. This seal ensures that the air-fuel mixture remains compressed during the compression stroke, leading to more efficient combustion and improved engine performance.

Synergy with Compressor Ring Set

The Compressor Ring Set typically consists of multiple rings, including oil control rings and additional compression rings. The part 3558861 Compression Piston Ring works in conjunction with these rings to enhance the sealing efficiency of the piston. By fitting into its designated groove, it complements the other rings in the set, contributing to a robust seal that prevents gas leakage. This synergy is essential for maintaining the desired compression ratios and ensuring that the engine operates smoothly and efficiently.

Enhanced Engine Performance

The effective integration of the part 3558861 Compression Piston Ring with the Compressor Piston Kit and Compressor Ring Set leads to several performance benefits. It helps in reducing blow-by, which is the leakage of combustion gases past the piston rings. Minimizing blow-by not only improves engine efficiency but also reduces the risk of contamination in the crankcase, prolonging the life of the engine oil and other lubricants. Additionally, a well-sealed combustion chamber ensures that the engine can achieve higher compression ratios, which translates to better fuel economy and increased power output.

Conclusion

In summary, the Cummins 3558861 Compression Piston Ring is a key component that, when properly integrated with the Compressor Piston Kit and Compressor Ring Set, enhances the sealing efficiency and overall performance of the engine. Its role in maintaining compression, reducing oil consumption, and minimizing emissions makes it a valuable asset in the operation and maintenance of heavy-duty truck engines.


  1. Rendle, S., & Randall, M. (2000). Haynes Diesel Engine Systems and Data Book. Haynes Publishing.

  2. Hu, H., Baseley, S. J., & Song, X. (2021). Advanced Hybrid Powertrains for Commercial Vehicles Second Edition. SAE International.

  3. Hillier, A. (2014). Fundamentals of Motor Vehicle Technology Book 1 6th Edition. Oxford University Press.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
4.4 x 0.6 x 4.4 in
Weight
0.2 lb
* 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.