4995266
Engine Piston
Cummins®

The Cummins 4995266 Engine Piston is a component designed for use in Cummins engines, specifically tailored for commercial truck applications. Its role is integral to the efficient operation of these engines, contributing to their performance, reliability, and longevity. Understanding the specifics of this piston, including its design, function, and benefits, is key to appreciating its significance in the automotive industry ¹.

Basic Concepts of Engine Pistons

An engine piston is a cylindrical component that moves up and down within the engine’s cylinders. Its primary functions include sealing the combustion chamber, transferring force from the expanding gases produced by combustion to the crankshaft via the connecting rod, and contributing to the engine’s overall operation by facilitating the four-stroke cycle: intake, compression, power, and exhaust. The efficiency and durability of an engine piston directly impact the engine’s performance and longevity ².

Purpose of the Cummins 4995266 Engine Piston

This Cummins part plays a role in the operation of a truck by participating in the combustion process and facilitating power delivery. It is designed to withstand the high pressures and temperatures within the engine, ensuring efficient energy conversion from fuel combustion to mechanical work. This piston’s design enhances the engine’s ability to deliver consistent power output while maintaining operational efficiency ³.

Key Features

This part is characterized by its robust design and the use of high-quality materials, which contribute to its performance and durability. Key features include precision machining for optimal fit and performance, the use of durable alloys to withstand high stress and temperatures, and a design that enhances cooling and reduces friction. These characteristics are crucial for maintaining engine efficiency and reliability over time ⁴.

Benefits

Utilizing this Cummins part offers several benefits, including improved engine efficiency, enhanced reliability, and increased longevity. Its design and material properties contribute to smoother engine operation, reduced wear and tear, and better fuel efficiency. Additionally, the piston’s durability helps in minimizing maintenance needs and extending the engine’s service life.

Installation and Compatibility

Proper installation of this part is vital for ensuring optimal engine performance and longevity. It is designed to be compatible with specific Cummins engine models, ensuring a precise fit and function within the engine assembly. Following manufacturer guidelines for installation is recommended to maintain the integrity of the engine’s performance and avoid potential issues.

Maintenance and Troubleshooting

Maintaining this part involves regular inspection and cleaning to ensure its continued efficient operation. This includes checking for signs of wear, ensuring proper lubrication, and addressing any issues promptly to prevent further damage. Troubleshooting common issues, such as abnormal engine noise or performance drops, may involve inspecting the piston and its associated components for wear or damage.

Performance Enhancements

This part contributes to overall engine performance by enhancing power output, improving fuel efficiency, and reducing emissions. Its design and material properties are optimized to withstand the demands of commercial truck engines, ensuring reliable and efficient operation. By integrating this piston into the engine, manufacturers aim to achieve a balance between performance, efficiency, and environmental considerations.

Compatibility of Cummins Engine Piston Part 4995266

The Cummins Engine Piston part 4995266 is designed to fit seamlessly within the specified engine models. This part is engineered to meet the rigorous demands of the ISF2.8 CM2220 F129 and R2.8 CM2220 R101B engines, ensuring optimal performance and reliability.

ISF2.8 CM2220 F129

The ISF2.8 CM2220 F129 engine benefits from the precision engineering of the Cummins Engine Piston part 4995266. This part is crafted to provide a perfect fit, ensuring efficient combustion and smooth operation. Its compatibility with the ISF2.8 CM2220 F129 engine is a testament to its design and manufacturing standards.

R2.8 CM2220 R101B

Similarly, the R2.8 CM2220 R101B engine is another model that is well-suited for the Cummins Engine Piston part 4995266. This part is engineered to integrate flawlessly with the engine, enhancing its performance and durability. The compatibility of this piston with the R2.8 CM2220 R101B engine underscores its versatility and effectiveness.

Grouping of Engines

Both the ISF2.8 CM2220 F129 and R2.8 CM2220 R101B engines share common design elements and performance characteristics, making them ideal candidates for the Cummins Engine Piston part 4995266. This grouping highlights the part’s ability to cater to multiple engine models within the same family, ensuring a consistent and reliable fit across different applications.

Role of Part 4995266 Engine Piston in Engine Systems

The Part 4995266 Engine Piston is a fundamental component within the engine system, interacting with several other parts to ensure optimal engine performance.

Interaction with the Connecting Rod and Piston

The connecting rod is pivotal in converting the reciprocating motion of the piston into rotational motion for the crankshaft. The Part 4995266 Engine Piston fits snugly into the connecting rod, ensuring a smooth transfer of force. This interaction is essential for maintaining the engine’s balance and efficiency.

Integration within the Engine Piston Kit

When installed as part of an engine piston kit, the Part 4995266 Engine Piston works in concert with other components such as piston rings, wrist pins, and clips. This kit is designed to enhance engine performance, reduce friction, and improve fuel efficiency. The piston’s precise fit within the cylinder bore is vital for minimizing wear and maximizing the engine’s lifespan.

Coordination with the Injector

In modern engines, the injector plays a significant role in fuel delivery. The Part 4995266 Engine Piston must operate in harmony with the injector to ensure that the air-fuel mixture is compressed effectively. Proper timing and compression are essential for efficient combustion, directly impacting the engine’s power output and emissions.

Contribution to Overall Engine Performance

The Part 4995266 Engine Piston is integral to the engine’s performance. Its design and material properties are tailored to withstand high temperatures and pressures, ensuring reliable operation under various driving conditions. The piston’s role in the combustion process directly influences the engine’s power, efficiency, and durability.

Assembly within the Piston Assembly

In the piston assembly, the Part 4995266 Engine Piston is paired with piston rings and other components to form a cohesive unit. This assembly is responsible for sealing the combustion chamber, managing heat, and transferring force to the crankshaft. The precision engineering of each component within the assembly ensures smooth operation and optimal performance.

Conclusion

The Cummins 4995266 Engine Piston is a critical component in the efficient operation of Cummins engines, particularly in commercial truck applications. Its robust design, high-quality materials, and precise engineering contribute to enhanced engine performance, reliability, and longevity. Proper installation, maintenance, and understanding of its role within the engine system are essential for maximizing the benefits of this part.