4013861
Compression Piston Ring
Cummins®

The Cummins 4013861 Compression Piston Ring is a component designed for heavy-duty truck engines. It plays a role in ensuring efficient engine performance by maintaining proper compression and sealing within the engine’s cylinders. This Cummins part is integral to the operation of the engine, contributing to its overall efficiency and reliability.

Basic Concepts of Compression Piston Rings

Compression piston rings are components found in internal combustion engines. Their function is to create a seal between the piston and the cylinder wall, which helps maintain compression within the cylinder during the combustion process ¹. This seal is vital for the efficient operation of the engine, as it ensures that the air-fuel mixture is compressed effectively before ignition. Proper sealing also prevents oil from entering the combustion chamber, which could lead to contamination and reduced performance.

Purpose of the 4013861 Compression Piston Ring

The 4013861 Compression Piston Ring is specifically designed to enhance the operation of truck engines. It contributes to the compression process by ensuring a tight seal between the piston and the cylinder wall. This seal helps maintain the pressure needed for efficient combustion. Additionally, the ring aids in reducing oil consumption by preventing oil from bypassing the piston rings and entering the combustion chamber.

Key Features

The 4013861 Compression Piston Ring is constructed from high-quality materials that provide durability and resistance to wear. Its design includes features that enhance its performance, such as a precise fit and optimal tension. These attributes ensure that the ring can withstand the high temperatures and pressures within the engine while maintaining its sealing effectiveness over time ².

Benefits

Using the 4013861 Compression Piston Ring offers several advantages. It contributes to improved engine efficiency by ensuring effective compression and sealing. This results in better fuel economy and reduced emissions. Additionally, the ring’s durable construction enhances the engine’s longevity, reducing the need for frequent replacements. Overall, it supports the engine’s performance by maintaining optimal operating conditions.

Installation and Maintenance

Proper installation of the 4013861 Compression Piston Ring is important for its effective operation. It should be installed according to manufacturer guidelines to ensure a proper fit and seal. Regular maintenance, such as checking for wear and ensuring the ring is free from contaminants, is recommended to prolong its lifespan and maintain engine performance ³.

Troubleshooting Common Issues

Common issues with compression piston rings may include wear, leakage, or failure. These can be identified through symptoms such as reduced engine performance, increased oil consumption, or visible smoke from the exhaust. Troubleshooting steps may involve inspecting the ring for signs of damage, ensuring proper installation, and addressing any underlying engine issues that could contribute to ring failure.

Performance Enhancements

The 4013861 Compression Piston Ring contributes to overall engine performance by supporting efficient combustion and reducing oil consumption. This can lead to improvements in power output, fuel efficiency, and engine reliability. Its role in maintaining optimal compression and sealing within the engine cylinders is fundamental to achieving these performance enhancements.

Manufacturer: Cummins

Cummins Inc. is a well-established manufacturer in the automotive industry, known for its high-quality engine components. The company has a history of innovation and commitment to producing reliable and efficient engine parts. Cummins’ reputation is built on its dedication to excellence and its contribution to the advancement of engine technology ⁴.

Understanding the Integration of Part 4013861 Compression Piston Ring in Engine Systems

The 4013861 Compression Piston Ring is a fundamental component in the efficient operation of various engine systems. Its role is to ensure optimal sealing between the piston and the cylinder wall, which is essential for maintaining compression and enhancing engine performance.

Interaction with the Engine Piston and Piston Ring Set

When installed, the Compression Piston Ring works in conjunction with the engine piston and the piston ring set. It is positioned within the grooves of the piston, where it forms a tight seal against the cylinder walls. This seal is vital for containing the combustion pressure within the cylinder, which drives the piston down and ultimately powers the engine.

Contribution to the Piston and Liner Assembly

In the piston and liner assembly, the Compression Piston Ring plays a significant role. It helps in reducing the blow-by, which is the leakage of combustion gases past the piston rings. By minimizing blow-by, the ring contributes to a more efficient combustion process, which is reflected in improved engine performance and fuel efficiency.

Relationship with the Connecting Rod and Piston

The efficiency of the Compression Piston Ring directly influences the operation of the connecting rod and piston assembly. A well-sealed combustion chamber ensures that the force generated by the combustion is effectively transferred to the piston. This force is then conveyed through the connecting rod to the crankshaft, facilitating the engine’s rotational motion.

Impact on Engine Performance

The performance of an engine is significantly affected by the condition and efficiency of its Compression Piston Rings. When these rings are in good condition and properly seated, they contribute to smoother engine operation, reduced oil consumption, and lower emissions. Conversely, worn or damaged rings can lead to increased oil consumption, reduced power output, and higher emissions.

Role in Engine Piston Kits

In engine piston kits, the Compression Piston Ring is often included as a standard component. These kits are designed to provide a comprehensive solution for piston-related repairs or upgrades. The ring’s inclusion ensures that the piston assembly is complete and ready for installation, contributing to the overall reliability and performance of the engine.

Synergy with the Camshaft

Although the Compression Piston Ring does not directly interact with the camshaft, its efficient operation is essential for the overall engine harmony. A well-sealed combustion chamber ensures consistent engine performance, which is crucial for the camshaft’s timing and valve operation. This synergy between the ring and the camshaft contributes to the engine’s smooth and efficient operation.

Conclusion

In summary, the 4013861 Compression Piston Ring is a key component in various engine systems, playing a significant role in ensuring efficient combustion, reducing blow-by, and contributing to overall engine performance. Its integration with other components like the engine piston, piston ring set, and piston and liner assembly is essential for the optimal functioning of the engine.