4910253
Compression Piston Ring
Cummins®

The Cummins 4910253 Compression Piston Ring is a component designed for use in heavy-duty truck engines. Its purpose is to ensure the efficient operation of the engine by maintaining compression within the combustion chamber. This part plays a role in the overall performance and reliability of heavy-duty trucks, contributing to their operational efficiency and longevity ¹.

Basic Concepts of Compression Piston Rings

Compression piston rings are components found in internal combustion engines. Their general function is to seal the combustion chamber, ensuring that the air-fuel mixture remains compressed during the combustion process. This sealing action is vital for engine efficiency and performance, as it helps to maximize the energy extracted from the fuel and maintain optimal engine operation ².

Purpose of the 4910253 Compression Piston Ring

The 4910253 Compression Piston Ring is specifically designed to seal the combustion chamber in truck engines, maintaining the necessary compression for efficient combustion. By doing so, it contributes to the engine’s ability to generate power and operate smoothly. This ring’s function is important for preventing gas leakage, which can lead to reduced engine efficiency and performance ³.

Key Features

The 4910253 Compression Piston Ring is characterized by its material composition and design, which are tailored to enhance its performance and durability. Made from high-quality materials, this ring is designed to withstand the high temperatures and pressures within the engine. Its unique attributes include a precise fit and finish, which contribute to its effectiveness in sealing the combustion chamber and maintaining compression ⁴.

Benefits

Using the 4910253 Compression Piston Ring offers several benefits. It contributes to improved engine efficiency by ensuring effective compression within the combustion chamber. This results in reduced oil consumption, as the ring helps to prevent oil from entering the combustion area. Additionally, the ring enhances overall engine performance, leading to smoother operation and increased reliability ¹.

Installation Process

Proper installation of the 4910253 Compression Piston Ring is important for its effective function. The process involves carefully placing the ring within the piston groove, ensuring it is seated correctly to achieve the desired seal. Best practices include using the appropriate tools and following manufacturer guidelines to avoid common pitfalls such as improper seating or damage to the ring ².

Maintenance and Troubleshooting

Maintaining the 4910253 Compression Piston Ring involves regular inspection for signs of wear or damage. This can include checking for gaps, cracks, or glazing on the ring’s surface. Troubleshooting common issues may involve addressing problems such as oil consumption or reduced engine performance, which can be indicative of ring failure or improper installation ³.

Performance Impact

The 4910253 Compression Piston Ring impacts engine performance, fuel efficiency, and longevity. Empirical data and real-world examples demonstrate its role in maintaining engine compression, which is vital for efficient combustion and power generation. Its use can lead to improved fuel efficiency and extended engine life, highlighting the importance of this component in heavy-duty truck engines ⁴.

Manufacturer: Cummins

Cummins is a renowned manufacturer in the automotive industry, known for its commitment to producing high-quality components. With a history of innovation and excellence, Cummins has established a reputation for reliability and performance. The company’s dedication to quality is evident in its wide range of products, including the 4910253 Compression Piston Ring, which is designed to meet the demanding requirements of heavy-duty truck engines.

Compatibility of Compression Piston Ring Part 4910253 with Cummins Engines

The Compression Piston Ring part number 4910253, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is integral to the engine’s performance, ensuring optimal compression and efficiency. Here is a detailed look at its compatibility across different engine models:

QSK19 Series

• QSK19 CM2350 K105
• QSK19 CM2350 K144G
• QSK19 CM500
• QSK19 CM850 MCRS

The Compression Piston Ring part 4910253 is compatible with the QSK19 series engines, including the QSK19 CM2350 K105, QSK19 CM2350 K144G, QSK19 CM500, and QSK19 CM850 MCRS. These engines are known for their robust performance and reliability, making the correct fitment of this part crucial for maintaining engine efficiency and longevity.

QSK38 Series

• QSK38 CM2150 MCRS
• QSK38 CM850 MCRS

The QSK38 series engines, specifically the QSK38 CM2150 MCRS and QSK38 CM850 MCRS, also benefit from the Compression Piston Ring part 4910253. This part ensures that these engines achieve the necessary compression levels, contributing to their overall performance and durability.

QSK50 Series

• QSK50 CM2150 K107
• QSK50 CM2150 MCRS

For the QSK50 series, the Compression Piston Ring part 4910253 is compatible with both the QSK50 CM2150 K107 and QSK50 CM2150 MCRS engines. This compatibility is essential for maintaining the high standards of performance expected from these engines.

QSK60 Series

• QSK60 CM850 MCRS
• QSK60G

Lastly, the QSK60 series engines, including the QSK60 CM850 MCRS and QSK60G, are also designed to work with the Compression Piston Ring part 4910253. This ensures that these engines operate efficiently and reliably, meeting the demands of various applications.

Integration of Part 4910253 Compression Piston Ring in Engine Systems

The part 4910253 Compression Piston Ring is a component in the efficient operation of various engine systems. Its primary role is to create a seal between the piston and the cylinder wall, which is vital for maintaining compression within the combustion chamber. This ensures that the air-fuel mixture is effectively compressed before ignition, leading to more efficient combustion and improved engine performance ¹.

When integrating the part 4910253 Compression Piston Ring into an engine, it is installed within the piston ring groove on the piston. This placement allows it to move up and down the cylinder wall as the piston reciprocates. The ring’s position is critical for its function, as it must maintain a consistent seal throughout the engine’s operation ².

The effectiveness of the Compression Piston Ring is influenced by several surrounding components. The cylinder head plays a role, as it houses the combustion chamber and must work in harmony with the piston and rings to ensure proper sealing and compression. The camshaft and camshaft cover are also important, as they control the timing of the valve operations, which directly affects the compression phase of the engine cycle ³.

The connecting rod and piston assembly is another key element. The connecting rod transfers the force generated by the piston’s movement to the crankshaft, converting linear motion into rotational motion. The integrity of the Compression Piston Ring directly impacts the efficiency of this transfer by ensuring that the force is generated under optimal compression conditions ⁴.

The injector is another component that works in tandem with the Compression Piston Ring. Proper compression allows for more efficient fuel combustion, which the injector must deliver at the right time and in the right quantity. The wiring retainer bracket ensures that all electrical connections to the injector and other components are secure, preventing any issues that could arise from loose connections.

Lastly, the cover plate and head, cylinder components provide the structural framework within which the Compression Piston Ring operates. These parts must be in good condition to support the ring’s function and maintain the overall integrity of the engine system.

Conclusion

In summary, the part 4910253 Compression Piston Ring is a fundamental component that interacts with various engine parts to ensure efficient compression and combustion. Its proper installation and maintenance are essential for the optimal performance of the engine system. The compatibility of this Cummins part with a range of engine models underscores its importance in maintaining engine efficiency and longevity.