4058968
Compression Piston Ring
Cummins®

Introduction

The Cummins 4058968 Compression Piston Ring is designed to enhance the performance and efficiency of heavy-duty truck engines. Its role is to ensure optimal compression within the engine’s cylinders, which is essential for effective combustion and overall engine operation. This part contributes to the engine’s reliability, fuel efficiency, and longevity ².

Basic Concepts of Compression Piston Rings

Compression piston rings are components found in internal combustion engines. Their primary function is to create a seal between the piston and the cylinder wall. This seal is essential for maintaining compression during the combustion process, which directly impacts engine efficiency and performance. By preventing the escape of compressed air and fuel mixture, these rings help ensure that the energy produced during combustion is effectively utilized to drive the engine ¹.

Role of the 4058968 Compression Piston Ring in Truck Operation

The 4058968 Compression Piston Ring enhances combustion efficiency by ensuring that the air-fuel mixture remains compressed within the cylinder, leading to more complete and efficient combustion. This results in improved engine performance, including increased power output and better fuel economy. Additionally, the ring contributes to reducing emissions by ensuring that combustion is as complete as possible ².

Key Features of the 4058968 Compression Piston Ring

The 4058968 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 corrosion. The design of the ring includes precise tolerances to ensure a tight seal against the cylinder wall. Additionally, it may feature unique attributes such as coatings or treatments that further improve its performance under high-stress conditions ².

Benefits of Using the 4058968 Compression Piston Ring

Using the 4058968 Compression Piston Ring offers several benefits. It contributes to improved engine efficiency by ensuring optimal compression and combustion. This can lead to better fuel economy and reduced operating costs. Additionally, the ring helps in reducing emissions by promoting more complete combustion. Its durable construction ensures long-lasting performance, minimizing the need for frequent replacements and maintenance ².

Installation and Maintenance

Proper installation of the 4058968 Compression Piston Ring is crucial for ensuring optimal performance. It is recommended to follow manufacturer guidelines for installation procedures and to use the appropriate tools. Regular maintenance, including inspections for wear and proper lubrication, is important to ensure the longevity and effectiveness of the ring. Adhering to recommended maintenance schedules can help prevent issues and ensure continued engine efficiency ².

Troubleshooting Common Issues

Common issues with compression piston rings may include wear, leakage, or failure. Symptoms of these issues can include decreased engine performance, increased fuel consumption, or higher emissions. Troubleshooting steps may involve inspecting the rings for signs of wear or damage, checking for proper installation, and ensuring that the engine is properly lubricated. Addressing these issues promptly can help maintain engine efficiency and prevent further damage ².

Cummins: A Brief Overview

Cummins Inc. is a leading manufacturer in the automotive and heavy-duty truck industry, known for its commitment to innovation, quality, and customer satisfaction. The company offers a wide range of products, including engines, filtration systems, and powertrain components. Cummins’ reputation is built on its dedication to producing reliable and high-performance products that meet the demanding needs of the industry ².

Compatibility of Compression Piston Ring Part 4058968 with Cummins Engines

The Compression Piston Ring part number 4058968, manufactured by Cummins, is designed to fit seamlessly into a variety of Cummins engines. This part is crucial for maintaining optimal engine performance by ensuring proper sealing and compression within the piston rings. Below is a detailed overview of the engines with which this part is compatible.

G855 Engines

The G855 engines benefit from the precise engineering of the 4058968 Compression Piston Ring. This part ensures that the engine operates efficiently by providing a tight seal that prevents oil leakage and maintains the necessary compression levels.

N14 CELECT PLUS and N14 MECHANICAL Engines

Both the N14 CELECT PLUS and N14 MECHANICAL engines are designed to perform under demanding conditions, and the 4058968 Compression Piston Ring is integral to their operation. This part ensures that the piston rings maintain their integrity, contributing to the engine’s overall durability and performance.

NH/NT 855 Engines

The NH/NT 855 engines are known for their robust performance in heavy-duty applications. The 4058968 Compression Piston Ring is specifically engineered to fit these engines, providing the necessary sealing and compression to support their demanding operational requirements.

QSN14 CM876 N103 Engines

The QSN14 CM876 N103 engines are another series where the 4058968 Compression Piston Ring plays a vital role. This part is designed to fit these engines perfectly, ensuring that they maintain optimal performance and efficiency under various operating conditions.

By ensuring that the 4058968 Compression Piston Ring is correctly installed in these engines, users can expect enhanced engine performance, reduced wear, and extended service life ².

Role of Part 4058968 Compression Piston Ring in Engine Systems

The part 4058968 Compression Piston Ring is an integral component in the efficient operation of various engine systems. It works in conjunction with several other components to ensure optimal engine performance.

Interaction with the Cylinder Kit and Cylinder Head

The Compression Piston Ring fits snugly within the cylinder bore, which is part of the cylinder kit. Its primary function is to create a seal between the piston and the cylinder wall. This seal is vital for maintaining compression within the combustion chamber, which is topped by the cylinder head. Effective sealing ensures that the air-fuel mixture is compressed efficiently before ignition, leading to better combustion and power output ².

Coordination with the Piston and Connecting Rod

The Compression Piston Ring is installed on the piston, which is connected to the crankshaft via the connecting rod. As the piston moves up and down the cylinder bore, the ring follows, maintaining a consistent seal. This movement is essential for the conversion of the combustion energy into mechanical energy, which is then transmitted through the connecting rod to the crankshaft ².

Integration with the Camshaft and Cam Follower Housing

The camshaft, in conjunction with the cam follower housing, controls the timing of the valve operation. Proper sealing by the Compression Piston Ring ensures that the combustion process is timed correctly with the valve events, optimizing engine efficiency and performance ².

Contribution to the Engine Piston Kit and Overhaul Kit

In an engine piston kit or an overhaul kit, the Compression Piston Ring is often included as a standard component. Its role in these kits is to provide a fresh, reliable seal as part of the engine’s rejuvenation process. This is particularly important in maintaining the engine’s compression ratios and overall performance after an overhaul ².

Enhancement of Performance Parts and Turbocharger

When used in conjunction with performance parts such as high-performance pistons or turbochargers, the Compression Piston Ring plays a significant role in handling increased combustion pressures. Its ability to maintain a seal under higher stress conditions is essential for the durability and performance of these enhanced engine systems ².

Support for Injector and PDC (Piston/Liner)

The efficiency of the injector in delivering fuel into the combustion chamber is complemented by the sealing action of the Compression Piston Ring. Similarly, in engines utilizing a PDC (Piston/Liner) design, the ring ensures that the liner’s integrity is maintained, contributing to the engine’s longevity and performance ².

Conclusion

The Cummins 4058968 Compression Piston Ring is a critical component for enhancing the performance and efficiency of heavy-duty truck engines. Its role in maintaining optimal compression within the cylinders ensures effective combustion, improved engine performance, and reduced emissions. Proper installation and maintenance of this part are essential for ensuring long-lasting performance and minimizing operating costs.