4932801
Oil Piston Ring
Cummins®

The Cummins 4932801 Oil Piston Ring is a component designed to enhance the operation of heavy-duty truck engines. Its role is significant in maintaining the efficiency and performance of the engine, ensuring that the vehicle operates smoothly under demanding conditions.

Basic Concepts of Oil Piston Rings

Oil piston rings are components found in internal combustion engines that serve to control the lubrication between the piston and the cylinder wall. They help in distributing oil evenly, which reduces friction and wear on engine components. By managing oil consumption, these rings contribute to the overall performance and efficiency of the engine ¹.

Purpose of the 4932801 Oil Piston Ring

The Cummins 4932801 Oil Piston Ring is specifically engineered to regulate oil consumption within the engine. It plays a role in maintaining the correct oil film thickness on the cylinder walls, which is vital for reducing friction and wear. This ring helps in preserving engine efficiency by ensuring that the piston moves smoothly within the cylinder, thereby contributing to the longevity of engine components ².

Key Features

The Cummins 4932801 Oil Piston Ring is characterized by its precise design and the quality of materials used in its construction. It is crafted to withstand the high temperatures and pressures present in heavy-duty truck engines. The ring’s design includes features that enhance its performance and durability, ensuring it can operate effectively under rigorous conditions.

Benefits

The use of the Cummins 4932801 Oil Piston Ring offers several advantages. It contributes to improved engine performance by ensuring optimal lubrication and reducing friction. This results in lower oil consumption and helps in maintaining the efficiency of the engine. Additionally, the ring’s durable construction enhances the longevity of engine components, providing value over the vehicle’s operational life ³.

Installation and Compatibility

Proper installation of the Cummins 4932801 Oil Piston Ring is crucial for ensuring its optimal performance. It is important to follow manufacturer guidelines during installation to avoid any issues that could affect engine operation. Compatibility with specific engine models should be verified to ensure the ring functions as intended within the engine system.

Maintenance and Troubleshooting

Routine maintenance practices are recommended to ensure the longevity and effectiveness of the Cummins 4932801 Oil Piston Ring. Regular inspections and cleaning can help in identifying any wear or damage early. Troubleshooting common issues, such as excessive oil consumption or engine knocking, may involve checking the condition of the oil piston ring and addressing any problems promptly.

Performance Impact

The Cummins 4932801 Oil Piston Ring influences overall engine performance, fuel efficiency, and emissions. By maintaining proper lubrication and reducing friction, it contributes to smoother engine operation and can lead to improved fuel efficiency. Additionally, its role in controlling oil consumption helps in reducing emissions, aligning with environmental considerations in engine design.

Cummins Corporation

Cummins Inc. is a well-established corporation in the automotive industry, known for its commitment to producing high-quality engine components. With a history of innovation and excellence, Cummins has built a reputation for reliability and performance in the engines it manufactures. The company’s dedication to quality is evident in its range of engine components, including the Cummins 4932801 Oil Piston Ring.

Cummins Oil Piston Ring 4932801 Compatibility

The Cummins Oil Piston Ring part number 4932801 is designed to fit a variety of Cummins engines, ensuring optimal performance and longevity. This part is engineered to provide a tight seal between the piston and cylinder wall, reducing oil consumption and enhancing engine efficiency. Below is a detailed breakdown of the engines compatible with this oil piston ring.

B4.5 Series

• B4.5 CM2350 B129B
• B4.5 RGT

B6.7 Series

• B6.7 CM2350 B135B
• B6.7 CM2670 B153B
• B6.7 CM2670 B164C

F4.5 Series

• F4.5 CM2620 F141C

ISB Series

• ISB (Chrysler)
• ISB CM2150
• ISB CM850
• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN
• ISB4.5 CM2350 B104
• ISB6.7 CM2250
• ISB6.7 CM2350 B101

ISBE Series

• ISBE CM2150
• ISBE4 CM850

ISD Series

• ISD4.5 CM2220 D108

ISF Series

• ISF4.5 CM2220 F123

QSB Series

• QSB4.5 CM2250 EC
• QSB4.5 CM850 (CM2850)
• QSB6.7 CM2250
• QSB6.7 CM2350 B105
• QSB6.7 CM850 (CM2850)
• QSB6.7 M CM2250
• QSB7 CM2880 B117

This comprehensive compatibility ensures that the Cummins Oil Piston Ring 4932801 can be used across a wide range of engine models, providing a reliable solution for maintaining engine performance.

Role of Part 4932801 Oil Piston Ring in Engine Systems

The part 4932801 Oil Piston Ring is an essential component in the efficient operation of various engine systems. It is specifically designed to work in harmony with the engine piston and piston ring kit to ensure optimal performance and longevity of the engine.

Interaction with the Cylinder Block and Cylinder Head

When the engine piston moves within the cylinder block, the 4932801 Oil Piston Ring helps to maintain a seal between the piston and the cylinder wall. This seal is vital for preventing oil from entering the combustion chamber, which could lead to inefficient combustion and increased emissions. The ring also works in conjunction with the cylinder head to ensure that the compression ratios are maintained, contributing to the overall efficiency of the engine.

Contribution to the Long Block and Long Block Kit

In a long block or long block kit, which includes the cylinder block, cylinder head, and engine pistons but excludes ancillary components like the injector and injector plumbing, the 4932801 Oil Piston Ring plays a significant role. It ensures that the pistons operate smoothly within the cylinders, reducing friction and wear. This is particularly important in high-performance engines where precision and efficiency are paramount.

Role in the Overhaul Kit and Piston Ring Set

During an engine overhaul, the 4932801 Oil Piston Ring is often included in the overhaul kit to replace worn-out rings. Its integration with the piston ring set ensures that the new rings are compatible and function effectively. This is essential for restoring the engine to its original performance levels or enhancing it, depending on the specifications of the overhaul kit.

Synergy with the Camshaft and Connecting Rod

The efficient operation of the 4932801 Oil Piston Ring also impacts the performance of the camshaft and connecting rod. By maintaining a proper seal and reducing friction, the ring allows the piston to follow the camshaft’s timing more accurately. This, in turn, ensures that the connecting rod transmits power to the crankshaft efficiently, contributing to the smooth operation of the engine.

Impact on Engine Performance and Parts Longevity

The 4932801 Oil Piston Ring is a small yet significant part that influences the performance and durability of various engine components. Its proper function is essential for the efficient operation of the engine piston kit, piston ring kit, and other related parts. By ensuring that oil is kept within the lubrication system and away from the combustion chamber, it helps in maintaining the integrity and performance of the engine over its lifespan.

Conclusion

The Cummins 4932801 Oil Piston Ring is a critical component in the maintenance and enhancement of heavy-duty truck engine performance. Its precise design, durable construction, and compatibility with a wide range of Cummins engines make it a valuable asset for ensuring engine efficiency, reducing oil consumption, and prolonging the life of engine components. Proper installation, maintenance, and understanding of its role within the engine system are essential for maximizing the benefits of this Cummins part.