4974953
Oil Piston Ring
Cummins®

Introduction

The Cummins 4974953 Oil Piston Ring is designed to enhance the performance and efficiency of heavy-duty truck engines. Its purpose is to control oil consumption within the engine, ensuring optimal lubrication and reducing wear on critical engine components. This part contributes to maintaining engine efficiency, prolonging engine life, and ensuring reliable operation under demanding conditions ¹.

Basic Concepts of Oil Piston Rings

Oil piston rings are components installed in the grooves of a piston. Their primary function is to manage the flow of oil between the piston and the cylinder wall. By controlling oil consumption, these rings help maintain a thin film of lubrication, which reduces friction and wear. This contributes to improved engine performance and efficiency, as well as extended engine life ².

Role of the 4974953 Oil Piston Ring in Truck Operation

The 4974953 Oil Piston Ring plays a specific role in the operation of a truck engine by regulating oil flow and consumption. This regulation is vital for maintaining the proper lubrication of the piston and cylinder wall interface. Effective lubrication enhances combustion efficiency by ensuring smooth piston movement and reduces the risk of premature engine wear. Additionally, by controlling oil consumption, the ring helps maintain optimal engine performance and contributes to the longevity of the engine ³.

Key Features of the 4974953 Oil Piston Ring

The 4974953 Oil Piston Ring is characterized by several unique features. Its material composition is designed to withstand the high temperatures and pressures within a heavy-duty truck engine. The ring incorporates advanced design elements that enhance its ability to control oil flow effectively. Technological advancements in its design may include precision machining and the use of high-performance materials, which contribute to its durability and efficiency.

Benefits of Using the 4974953 Oil Piston Ring

Using the 4974953 Oil Piston Ring offers several advantages. It contributes to improved engine performance by ensuring consistent lubrication and reducing friction. This results in more efficient combustion and better overall engine operation. Additionally, the ring helps reduce oil consumption, which can lead to cost savings and less frequent oil changes. Its enhanced durability ensures long-term reliability, making it a valuable component for heavy-duty truck engines.

Installation and Maintenance

Proper installation of the 4974953 Oil Piston Ring is crucial for its effective performance. It should be installed according to the manufacturer’s guidelines to ensure it fits securely within the piston groove. Regular maintenance practices, such as monitoring oil levels and quality, can help maximize the ring’s lifespan and performance. Additionally, following recommended service intervals for inspection and replacement can prevent issues related to wear and ensure continued engine efficiency.

Troubleshooting Common Issues

Common problems associated with oil piston rings include excessive oil consumption, increased engine wear, and reduced performance. Diagnostic procedures may involve checking oil levels, inspecting the ring for signs of wear or damage, and assessing engine performance metrics. Recommended solutions include proper installation, regular maintenance, and timely replacement of worn components to address these issues effectively.

Compatibility of Oil Piston Ring Part 4974953 with Cummins Engines

The Oil Piston Ring part number 4974953, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is crucial for maintaining the engine’s performance and longevity by ensuring proper lubrication and sealing within the piston rings.

ISX12 Series

• ISX12 CM2350 X102
• ISX12 G CM2180 EJ
• ISX12/ISX11.9 CM2250

The ISX12 series engines, including the ISX12 CM2350 X102, ISX12 G CM2180 EJ, and ISX12/ISX11.9 CM2250, are compatible with the Oil Piston Ring part 4974953. This part ensures optimal sealing and lubrication, contributing to the engine’s efficiency and durability.

ISZ13 Series

• ISZ13 CM2150 Z105

The ISZ13 CM2150 Z105 engine is another model that benefits from the Oil Piston Ring part 4974953. This part is engineered to fit seamlessly within the engine’s specifications, providing the necessary sealing and lubrication to maintain performance.

QSX11.9 Series

• QSX11.9 CM2250 ECF

The QSX11.9 CM2250 ECF engine is also compatible with the Oil Piston Ring part 4974953. This part is designed to meet the specific requirements of this engine model, ensuring effective sealing and lubrication.

QSZ13 Series

• QSZ13 CM2150 Z101
• QSZ13 CM2150 Z102

The QSZ13 series engines, including the QSZ13 CM2150 Z101 and QSZ13 CM2150 Z102, are designed to work with the Oil Piston Ring part 4974953. This part is essential for maintaining the engine’s sealing and lubrication, contributing to its overall performance and longevity.

Z13 Series

• Z13 Z108G

The Z13 Z108G engine is another model that is compatible with the Oil Piston Ring part 4974953. This part is engineered to fit the specific design of this engine, ensuring proper sealing and lubrication.

Role of Part 4974953 Oil Piston Ring in Engine Systems

The part 4974953 Oil Piston Ring is a fundamental component that enhances the operation of various engine systems by ensuring proper oil management and reducing friction within the cylinder. Here’s how it integrates with several key components:

Cylinder and Piston Assembly

The Oil Piston Ring works in conjunction with the piston and cylinder to create a seal that prevents oil from entering the combustion chamber. This seal is vital for maintaining the correct oil level and ensuring that the piston moves smoothly within the cylinder without excessive friction.

Piston Kit and Piston Ring Set

When installed as part of a piston kit or piston ring set, the Oil Piston Ring enhances the overall performance of the piston assembly. It helps in reducing oil consumption and wear on the piston and cylinder walls, contributing to the longevity and efficiency of the engine.

Connecting Rod and Piston

The interaction between the connecting rod and piston is smoothed by the presence of the Oil Piston Ring. By maintaining optimal oil levels and reducing friction, the ring ensures that the connecting rod operates efficiently, transferring power from the piston to the crankshaft with minimal loss.

Cylinder Head and Engine Piston Kit

In engines where the cylinder head is part of an engine piston kit, the Oil Piston Ring plays a role in preserving the integrity of the combustion chamber. It prevents oil from contaminating the air-fuel mixture, which can lead to inefficient combustion and reduced engine performance.

Overhaul Kit

During an engine overhaul, the inclusion of the Oil Piston Ring in an overhaul kit is beneficial for restoring the engine to its optimal condition. It ensures that the piston and cylinder relationship is re-established correctly, leading to improved engine performance post-overhaul.

Piston Cooling Nozzle

In engines equipped with a piston cooling nozzle, the Oil Piston Ring assists in managing the oil film on the cylinder walls. This is particularly important in high-performance engines where cooling and lubrication are paramount to prevent overheating and maintain efficiency.

Injector and Performance Parts

For engines utilizing advanced injector technology and performance parts, the Oil Piston Ring contributes to the overall reliability and performance. It ensures that the engine operates within its designed parameters, enhancing the effectiveness of performance modifications.

Head and Parts

The Oil Piston Ring also interacts with the head and other parts of the engine by maintaining a consistent oil film. This is essential for the proper functioning of the valve train and other moving components within the engine.

Conclusion

The Cummins 4974953 Oil Piston Ring is a critical component for maintaining the efficiency and performance of heavy-duty truck engines. By controlling oil consumption and ensuring proper sealing within the cylinder, this part contributes to optimal lubrication, reduced friction, and prolonged engine life. Proper installation, regular maintenance, and timely replacement are essential for maximizing the benefits of this part.